Employment Placement Agencies (U.S.) — NAICS 561311

A Histometrics industry primer for public-market and private investors

1. Overview

Employment placement agencies find people jobs and fill employers' openings — and, crucially, the workers they place become employees of the hiring company, not of the agency. This is the "direct-hire" or "permanent placement" corner of the staffing world. An agency sources, screens, and refers a candidate; when the client hires that person, the agency collects a one-time fee, typically a percentage of the new hire's first-year pay [1][8].

Why this matters to an investor: it is a high-margin, capital-light, intensely cyclical people business. Because the placed worker is paid by the client (not the agency), almost the entire fee falls through to gross profit — there is no army of temp workers to pay. The economics look more like a brokerage than a labor supplier. The flip side is violent cyclicality: permanent hiring is one of the first budget lines companies freeze when the economy wobbles, so agency revenue can swing double digits in a single year [7].

Two ways in. A public-market investor has no pure-play "permanent placement" stock, but the activity is a visible, high-margin segment inside diversified staffing and search firms that trade publicly — Robert Half, ManpowerGroup, Korn Ferry, Heidrick & Struggles, Kforce, and others (Section 4). A private investor faces one of the most fragmented, founder-owned, roll-up-friendly industries in professional services — thousands of boutique recruiting shops, most too small to be public, actively bought by private-equity platforms (Sections 4, 8).

2. What it is, and how it's structured

Scope. The North American Industry Classification System (NAICS) code 561311 covers establishments that list job vacancies and refer or place applicants, where the placed individual is not an employee of the agency [1]. In plain terms: contingency recruiters, direct-hire/permanent placement agencies, and specialty registries. The typical transaction is simple:

employer vacancy → agency sourcing and screening → candidate referral → employer hires → agency collects a fee

The Census Bureau's own illustrative examples are broad — general employment agencies, employment registries, casting agencies for film/theater/video, model registries, and babysitting registries [1].

What it explicitly excludes (each is a separate NAICS code, and this matters for sizing the industry):

These distinctions matter because temporary staffing, executive search, and PEOs each have different revenue recognition, labor-cost, and margin profiles [1].

Also outside 561311, even though they compete head-on for the same hiring dollar: the big online job boards and professional networks — Indeed, LinkedIn, ZipRecruiter — classified as internet-publishing/advertising platforms, not placement agencies. They sell job-ad visibility and matching software rather than acting as a paid intermediary on a per-hire fee.

Ownership mix. The industry is overwhelmingly small and privately held. Federal data count 6,270 firms operating 7,679 establishments [2][3] — but the true operator count is far higher once you include the long tail of solo recruiters (see Section 3). A handful of large, diversified public firms sit on top; below them are thousands of independent, founder-owned boutiques, increasingly rolled up by private-equity-backed platforms [17].

3. How big it is

Our ground-truth federal figures for NAICS 561311 (U.S.):

These are agency employees and agency revenue — not the people placed. The ~330,000 employees are the recruiters, salespeople, and back-office staff who run the agencies; the workers they place into jobs are counted at their new employers, not here. Note also that the receipts and payroll figures come from different survey years and measure different things — payroll is not profit, and the federal data do not report industry operating margins, average placement fees, placement volume, or a total addressable market.

The undercount caveat — read this before quoting the size. Federal business statistics understate this industry's real footprint in two directions:

• A long tail of solo operators. County Business Patterns counts establishments with paid employees; it excludes the self-employed, businesses with no employees or no employer identification number, and most government employees [2]. Recruiting has an unusually large population of independent, one-person recruiters operating as sole proprietors (nonemployer businesses) who don't show up in the employer counts. The number of people who make a living placing candidates is meaningfully larger than 7,679 establishments implies.
• Recruiting revenue that lands in adjacent codes. Much placement activity is done by firms classified under Executive Search (561312), Temporary Help (561320), or PEOs (561330). So the $21.4B for 561311 is not the whole "recruiting" economy — it is specifically the direct-hire/placement-agency slice.

For context, the total U.S. staffing market (temp + placement) was about $184 billion in 2024, with permanent/direct-hire placement only ~11% of that — roughly $20 billion [5][6]. That ~$20B independent estimate lines up well with our $21.4B federal receipts figure, a useful cross-check.

Concentration: very fragmented. The largest four firms took just 10.4% of industry revenue; the top eight, 15.5%; the top 20, 26.0%; the top 50, 36.9% [3]. The Herfindahl-Hirschman Index (HHI, a standard concentration measure that runs toward 10,000 for a pure monopoly) is reported at 55.6 — near the very bottom of the scale [3]. Translation: no one dominates. The biggest players are large in absolute dollars but hold small shares of a huge, splintered market. (Because the Census measure is receipts-based and its scaling convention isn't specified, this HHI shouldn't be mapped directly onto Department of Justice merger-screening thresholds — it's a fragmentation signal, not an antitrust score.)

4. The investable universe

There is no pure-play, publicly traded "permanent placement agency." Placement is a high-margin segment inside larger staffing and executive-search companies, so listed names are proxies rather than direct bets on 561311. Revenue below is full-company (2024 or most recent fiscal year); market caps are approximate 2025 snapshots and move daily.

U.S.-listed proxies

Korn Ferry and Heidrick sit mostly in executive search (561312), and ManpowerGroup/Kelly/ASGN are mostly temp/contract staffing (561320) — but all run meaningful permanent-placement lines, which is why they are the practical way to get listed exposure to 561311-type economics.

Foreign-listed global recruiters with substantial U.S. placement operations: Randstad (Euronext Amsterdam: RAND), Adecco Group (SIX Swiss: ADEN; includes the LHH recruitment/career-transition brand), PageGroup (London: PAGE, specialist permanent recruitment), and Hays (London: HAS). Their U.S. exposure has to be isolated from global results. Job-board/platform exposure sits inside Recruit Holdings (Tokyo: 6098, parent of Indeed and Glassdoor) and Microsoft (LinkedIn) — technology substitutes, not agencies.

Private owners and platforms

This is where most of the industry actually lives — thousands of founder-owned boutiques plus large private groups and private-equity roll-up platforms:

• Allegis Group — the largest privately held U.S. staffing company; brands include Aerotek, TEKsystems, Aston Carter, and Actalent, spanning direct placement, technology recruiting, and workforce services [26].
• Insight Global — private staffing/recruiting platform offering direct placement, contract-to-hire, and RPO [26].
• Express Employment International — franchise-based employment-services group (Express Employment Professionals, Specialized Recruiting Group) [26].
• The Planet Group — private specialist staffing/advisory platform across technology, engineering, finance, and healthcare niches [26].

For a private investor the entry points are direct acquisition of a founder-owned agency, backing or partnering with a PE consolidation platform, or a franchise/network model (Section 8). Private-company financials are far less transparent than public disclosures, so diligence carries more weight.

5. How the money works

The unit of profit is the placement fee. On the dominant contingency model, the agency is paid only if the client actually hires its candidate — typically 15–25% of the new hire's first-year base salary, with 20–25% common for professional roles [8]. On the retained model (senior or confidential searches), the client pays an upfront, exclusive engagement fee, usually 25–35% of first-year compensation, billed in thirds — at kickoff, at shortlist, and at placement [8]. A placement on a $120,000 salary at a 22% contingency fee is roughly a $26,000 one-time fee. Candidates generally pay nothing, and revenue is usually recognized when the hire starts work [7].

The metrics that actually drive owner returns:

• Fee as % of salary, and salary mix. Revenue per placement scales directly with the pay of the roles filled. Firms placing higher-paid professionals (tech, finance, healthcare, executive) earn far more per hire than volume/clerical shops.
• Near-100% gross margin. Unlike temp staffing — where the agency pays the worker and keeps only a thin spread — permanent placement has no worker on the agency's payroll. The fee is almost pure gross profit, with lighter working-capital needs. This is the single most important economic fact about the industry: it is a fee/brokerage business, not a labor-reselling business [10].
• Recruiter productivity (revenue per desk). The main cost is recruiter compensation. Owners track placements per recruiter, revenue per "desk," and billings-to-comp. The model has strong incremental margins on the way up (a marginal placement is almost all profit) and painful operating deleverage on the way down (you're still paying idle recruiters).
• Time-to-fill and fill rate. Speed and reliability of closing searches drive desk throughput and client retention.
• Fall-off / guarantee risk. Most contingency deals carry a ~90-day guarantee: if the placed hire quits or is fired quickly, the agency replaces them free or refunds the fee [8]. High fall-off directly cuts realized revenue.
• Cash conversion. Because it is capital-light, days sales outstanding (DSO — the average days to collect receivables), guarantee provisions, and bad debt are the working-capital levers that matter.
• Cyclicality is the defining risk. Permanent placement is discretionary and forward-looking — clients pay to add headcount only when confident. It is among the first spend cut in a slowdown and among the first to rebound. Robert Half's permanent-placement revenue fell 14% in 2024 alongside a broad hiring freeze [7].

The other principal costs are sourcing/job-board expense, technology, office operations, background checks, and compliance. Because the model is capital-light and cash-generative in good times, mature public players return a lot of cash (buybacks/dividends) and boutiques can be very profitable — but earnings are volatile and there is little recurring revenue to cushion a downturn.

6. What drives demand

• Hiring confidence and the business cycle. Demand tracks employers' willingness to commit to permanent headcount. Strong GDP (gross domestic product) and profit expectations lift placement volume and fees; uncertainty freezes permanent hiring first. The Bureau of Labor Statistics' Job Openings and Labor Turnover Survey (JOLTS) — openings, hires, quits, and separations — is the standard read on this [21].
• Labor-market churn. Placement thrives on voluntary job-switching, which creates both openings to fill and candidates to place. Through 2025 the JOLTS quits rate sat around 1.8–2.0%, below its pre-pandemic norm — a "low-hire, low-fire, low-churn" market that starves agencies of activity even without mass layoffs [21]. Rising churn is bullish; frozen churn is a headwind.
• Skills scarcity. Agencies earn the most when talent is hard to find — specialized tech, healthcare, skilled trades, senior leadership. BLS employment projections show uneven occupational growth, supporting durable specialist niches even in soft cycles [25].
• Cost of hiring in-house. Agencies win when employers judge that outsourcing the search is cheaper or faster than doing it internally. Recruitment process outsourcing (RPO) and managed service programs let employers substitute external providers for internal recruiting capacity [9]. Better internal tools erode this; scarce, urgent, or confidential roles reinforce it.
• Wage inflation. Because fees are a percentage of salary, rising pay mechanically lifts revenue per placement even at flat volume (though very steep wage growth can also make employers delay hiring).
• Sector-specific booms. Waves of hiring in a hot vertical drive outsized, concentrated demand for specialist recruiters.

7. Regulation

Placement agencies are lightly regulated at the federal level but licensed state-by-state, plus a fast-emerging overlay of AI-in-hiring rules.

• Anti-discrimination law. As intermediaries in hiring, agencies are subject to federal equal-employment law — Title VII of the Civil Rights Act, the Americans with Disabilities Act (ADA), and the Age Discrimination in Employment Act (ADEA), enforced by the Equal Employment Opportunity Commission (EEOC). An agency cannot simply honor a client's discriminatory candidate preference; both the client and the agency can face liability [22].
• State licensing of private employment agencies. Many states (e.g., New York, Illinois, Nevada, Washington) require private employment agencies to be licensed and bonded and cap or restrict fees — a legacy of early-20th-century abuses when agencies charged desperate job-seekers [19]. A recurring theme: consultants retained and paid only by employers, charging the job-seeker nothing, are often exempt — exactly how the modern professional-recruiting model is structured. Charging fees to candidates, and fee-splitting, is where the old rules bite hardest.
• Public vs. private labor exchange. The federal Wagner-Peyser Act of 1933 established the free public Employment Service (today delivered through American Job Centers under the Workforce Innovation and Opportunity Act, WIOA), a government-funded alternative to paid private placement [18]. Private agencies compete against, and coexist with, this system.
• AI-hiring rules (the growth area). As agencies adopt automated screening, new laws target algorithmic bias. New York City Local Law 144 requires that any Automated Employment Decision Tool (AEDT) used to screen candidates undergo an independent bias audit within the prior year, publish the results, and notify candidates — benchmarked to the EEOC's "four-fifths" rule; the city's Department of Consumer and Worker Protection (DCWP) can fine $500–$1,500 per violation per day [20]. Similar measures are spreading at the state level. This raises compliance costs but also professionalizes the industry against unaudited DIY tools.
• Background checks and applicant data. Running background/reference checks and using third-party consumer reports or algorithmic scores pulls agencies into the federal Fair Credit Reporting Act (FCRA) — consent, permissible purpose, accuracy, dispute, and adverse-action duties. The Consumer Financial Protection Bureau (CFPB) has confirmed these apply to background dossiers and algorithmic hiring scores [23]. Applicant-data privacy and cybersecurity are a growing operational burden.
• Employment eligibility. When a firm becomes the employer of record (i.e., crosses into temporary staffing), it takes on Form I-9 employment-eligibility-verification duties. A pure placement agency generally does not become the candidate's employer merely by making a referral [24].

8. Competitive dynamics and consolidation

Structure: a barbell. A few large diversified players (Section 4) at the top; a vast base of small, specialized boutiques below — reflected in the low 10.4% top-four share and HHI of 55.6 [3]. Barriers to entry are low (a phone, a network, and an applicant-tracking subscription), so new boutiques form constantly — but differentiated moats are real: deep candidate networks, sector specialization, national accounts, compliance scale, and repeat client relationships are genuinely hard to replicate. Local firms compete on niche expertise, personal relationships, regional knowledge, and speed.

Consolidation is structural, not cyclical. The industry is a textbook roll-up: recurring client relationships, operating leverage from scale, technology synergies, and — critically — an aging cohort of founder-owners looking for an exit (surveys find a majority of staffing founders open to selling) [17]. Private-equity platforms buy a mid-sized "platform" firm, invest in technology, then bolt on smaller shops. Valuations in recent deals ran roughly 4–4.5x EBITDA (earnings before interest, taxes, depreciation, and amortization) for commodity/light-industrial staffing up to 5.5–7x for high-growth IT and healthcare specialties [17]. Deal volume dipped to ~93 transactions in 2024 amid the hiring slump, then began rebounding in 2025 [17].

The disruptive front: platforms and AI. The competitive threat is not another agency — it's technology that lets employers self-serve.

• Job boards and networks (Indeed, LinkedIn, ZipRecruiter) let companies source candidates directly, compressing the value of a middleman for easy-to-fill roles. But these platforms are themselves under pressure: CareerBuilder and Monster's parent filed for Chapter 11 bankruptcy in June 2025, ZipRecruiter's stock roughly halved from its 2021 highs, and Recruit Holdings cut ~1,300 jobs across Indeed and Glassdoor in 2025 as AI reshaped the model [16].
• Generative AI automates the grunt work of recruiting — sourcing, résumé screening, outreach, scheduling — which threatens volume/transactional recruiters most and rewards those who move upmarket into judgment, relationships, and hard-to-fill or executive roles [16]. The consensus is displacement of routine recruiting tasks rather than wholesale elimination of the human intermediary, but the squeeze on the low end is real.

Forward-looking judgment. Consolidation should continue through specialist acquisitions, franchise expansion, and technology-enabled platforms, but entry barriers stay modest and online marketplaces constrain pricing on routine placements. The likely winners are firms with repeat employer relationships, differentiated candidate access, and strong compliance — not simply the largest office footprint.

9. Risks

• Cyclicality above all. Permanent placement is a high-beta bet on hiring confidence; revenue and (given fixed recruiter costs) profits can fall hard and fast in a downturn. The 2023–2025 stretch — the U.S. staffing market declining in most months — is the cautionary case [5].
• Structural disintermediation. AI sourcing/screening tools, applicant-tracking systems, internal recruiting teams, and self-service platforms can erode the fee for commoditized roles. Firms that don't move upmarket risk margin compression.
• Low churn / frozen labor market. A "low-hire, low-fire" economy (JOLTS quits stuck below normal through 2025) starves agencies of activity even without a recession [21].
• Thin recurring revenue. Unlike temp staffing's ongoing billings, placement is one-and-done per hire — little contractual backlog to cushion a slump.
• Fall-off, guarantee, and discount exposure. Weak-market hires that don't stick trigger free replacements/refunds; fee discounting cuts realized revenue.
• Client concentration. Losing a major employer account can hurt a small agency disproportionately.
• Talent flight. The assets walk out the door each night. Star recruiters can leave and take clients and candidates; retention of billers is a perpetual risk.
• Regulatory, data-security, and litigation drift. Expanding AI-hiring audit laws, FCRA/background-check and privacy rules, and discrimination liability raise compliance cost and legal exposure — and agencies hold résumés, identity data, salary history, and screening files.
• Roll-up execution risk (for private investors). PE consolidation depends on integrating culture-driven, people-dependent shops without losing the billers — easier to model than to execute, and paid-up multiples assume continued deal flow.
• Measurement risk. Federal statistics omit nonemployers, many tiny operators, and most government employees [2], so they do not support a standalone market-growth claim.

10. How to invest, and the outlook

Public-market routes. There is no pure play, so exposure comes through diversified staffing and search names where permanent placement is the high-margin swing factor: Robert Half (RHI) and Kforce (KFRC) for professional direct-hire; ManpowerGroup (MAN), Kelly (KELYA), and ASGN (ASGN) for broader staffing with placement lines; Korn Ferry (KFY) and Heidrick & Struggles (HSII) for the executive-search end; foreign-listed Randstad (RAND), Adecco (ADEN), PageGroup (PAGE), and Hays (HAS) for global specialist recruitment; and platform/marketplace names like DHI Group (DHX) and ZipRecruiter (ZIP) for the technology-disruption angle [7][9][10][11][12][13][14][15][16][27]. When you underwrite these, focus on permanent-placement / "net fee" revenue rather than consolidated revenue dominated by temp staffing, on U.S. exposure and specialty mix, on recruiter productivity, gross margin and client retention, and on cash conversion, DSO, and acquisition discipline. Read them as cyclical, capital-light, cash-returning businesses: they can look cheap at the bottom of a hiring cycle and expensive at the top. Tickers, prices, dividends, and multiples move constantly — the size and market-cap figures here are recent-period snapshots, not current quotes.

Private routes. This is arguably the more natural way to own the industry, because most of it is private and fragmented. Options: acquire a profitable founder-owned boutique (succession deals are plentiful), back or co-invest in a PE roll-up platform consolidating specialist recruiters, or partner in a franchise/network model. Valuations cluster around 4–7x EBITDA depending on specialty and growth [17]. Diligence should center on placement history by recruiter/client/occupation, fee rates and repeat business, guarantee claims and candidate fall-off, dependence on the owner or a few star recruiters, top-client concentration and contract portability, candidate-data ownership and privacy controls, licensing and discrimination controls, and working capital / any acquisition debt. The prize is buying cash-generative, capital-light books of business at reasonable multiples and professionalizing them — the risk is retaining the billers and the client relationships through the transition.

Near-term drivers to watch (forward-looking): the direction of JOLTS quits and hires — a return of labor-market churn would be the clearest bullish catalyst after a long freeze [21]; the rate/growth cycle and hiring confidence; wage inflation, which lifts fees per placement mechanically; the pace and shape of AI adoption — whether it hollows out transactional recruiting faster than firms can move upmarket [16]; and M&A tempo, as founder-owner succession keeps feeding a structural consolidation wave [17]. The considered view: long-run demand for skilled intermediation in scarce-skill, regulated, healthcare, and senior roles is durable and more defensible than commodity résumé-forwarding, but the low end faces a genuine technology squeeze, and returns will stay highly sensitive to where we are in the hiring cycle. The federal data make this industry investable through private platforms and diversified public proxies — but company-specific underwriting matters more than the industry label.

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Sources

1. U.S. Census Bureau, "2022 NAICS Definition — 561311 Employment Placement Agencies" (2022). https://www.census.gov/naics/?chart=2022&details=561311&input=561311
2. U.S. Census Bureau, County Business Patterns, NAICS 561311 (2023) — establishments 7,679; paid employees 329,566; annual payroll $16.339B; first-quarter payroll $4.403B. Coverage excludes nonemployers, businesses without an EIN, and most government employees. https://data.census.gov/table/CBP2023.CB2300CBP; methodology https://www.census.gov/programs-surveys/cbp/technical-documentation/methodology.html
3. U.S. Census Bureau, 2022 Economic Census — Industry & concentration statistics for NAICS 561311 — receipts $21.375B; firms 6,270; CR4 10.4%, CR8 15.5%, CR20 26.0%, CR50 36.9%; HHI 55.6 (2022). https://api.census.gov/data/2022/ecnsize/groups/EC2200SIZECONCEN.html
4. U.S. Small Business Administration, "Table of Small Business Size Standards" — NAICS 561311 threshold $34M receipts (2023). https://www.sba.gov/document/support-table-size-standards
5. Staffing Industry Analysts, "US Staffing Industry Forecast" (Sept. 2024/2025 updates) — total U.S. staffing market ~$184B (2024); temp ≈ 90% of staffing. https://www.staffingindustry.com/research/research-reports/americas/us-staffing-industry-forecast-september-2025-update
6. Activated Scale, "US Staffing Industry Revenue Growth Forecast" — permanent/direct-hire ~11% of the recruitment market (2024). https://www.activatedscale.com/blog/staffing-industry-revenue-growth-forecast
7. Robert Half Inc., Form 10-K / Fourth-Quarter and Full-Year 2024 Results — total revenue $5.796B; permanent placement and contract talent revenues each down 14% (2024). https://www.sec.gov/Archives/edgar/data/315213/000031521325000007/rhi-20241231.htm
8. TopEchelon, "Types of Recruitment Agency Fee Structures," and InterviewCost.com, "Recruiter Fees" — contingency 15–25% of first-year salary, retained 25–35% billed in thirds, ~90-day guarantee. https://topechelon.com/blog/recruitment-agency-fee-structures/
9. ManpowerGroup Inc., 2024 Annual Report — revenue ~$17.9B; brands Manpower, Experis, Talent Solutions (RPO/MSP) (2024). https://www.sec.gov/Archives/edgar/data/871763/000095017025035519/2024_ars.pdf
10. Korn Ferry, Form 10-K FY2025 — total fee revenue ~$2.7B; Executive Search, Consulting, Professional Search & Interim, Digital, RPO segments (2025). https://www.sec.gov/Archives/edgar/data/56679/000162828025033260/kfy-20250430.htm
11. Heidrick & Struggles International, Full-Year 2024 Results — revenue ~$1.1B (2024). https://investors.heidrick.com/news-releases/news-release-details/heidrick-struggles-posts-9-revenue-growth-q4-strong
12. Kforce Inc., Fourth-Quarter and Full-Year 2024 Results — revenue ~$1.41B (2024). https://www.stocktitan.net/news/KFRC/kforce-reports-fourth-quarter-2024-revenue-of-343-8-million-full-3cd5v1ksb58z.html
13. ASGN Incorporated, Fourth-Quarter and Full-Year 2024 Results — revenue ~$4.10B (2024). https://investors.asgn.com/news/news-details/2025/ASGN-Incorporated-Reports-Fourth-Quarter-and-Full-Year-2024-Results/default.aspx
14. Kelly Services Inc., Fourth-Quarter and Full-Year 2024 Earnings — revenue ~$4.3B (2024). https://ir.kellyservices.com/news-releases/news-release-details/kelly-reports-fourth-quarter-and-full-year-2024-earnings
15. DHI Group Inc., 2024 Fourth-Quarter and Full-Year Results — revenue ~$141.9M (Dice, ClearanceJobs) (2024). https://dhigroupinc.com/press/press-release-details/2025/DHI-Group-Reports-2024-Fourth-Quarter-and-Full-Year-Financial-Results/default.aspx
16. HR Dive, "Glassdoor and Indeed announce layoffs" (2025); DHRMap, "Job Boards Are Dying — AI Is Becoming the New Hiring Front Door" (2025) — Recruit Holdings ~1,300 HR-tech job cuts; CareerBuilder/Monster parent Chapter 11 (June 2025); ZipRecruiter share decline. https://www.hrdive.com/news/layoffs-glassdoor-indeed-ai-headwinds/752876/
17. Lyndon Advisory, "Staffing and Recruitment M&A: Complete Guide," and Staffing Industry Analysts, "M&A Trends: North America 2025 Update" — ~93 deals in 2024, PE roll-ups, EBITDA multiples ~4–7x, majority of founders open to a sale. https://lyndonadvisory.com/guides/staffing-recruitment-ma; https://www.staffingindustry.com/research/research-reports/americas/merger-acquisition-trends-north-america-2025-update
18. U.S. Department of Labor, "Wagner-Peyser Program" — federal public Employment Service (1933, as amended by WIOA). https://www.dol.gov/agencies/eta/american-job-centers/wagner-peyser-program
19. USLegal, "Regulation and Licensing of Employment Agencies"; Illinois Dept. of Labor, "Private Employment Agency Act"; New York State Dept. of Labor, "Employment Agencies" — state licensing/bonding, fee limits, employer-paid consultant exemptions. https://employmentagencies.uslegal.com/regulation-licensing-agencies/; https://labor.illinois.gov/laws-rules/fls/private-employment-agencies-act.html; https://dol.ny.gov/employment-agencies
20. NYC Department of Consumer and Worker Protection, "Automated Employment Decision Tools (Local Law 144)" — annual independent bias audit, disclosure, candidate notice; penalties $500–$1,500/violation/day. https://www.nyc.gov/site/dca/about/automated-employment-decision-tools.page
21. U.S. Bureau of Labor Statistics, "Job Openings and Labor Turnover Survey (JOLTS)"; Indeed Hiring Lab JOLTS analyses (2025) — quits rate ~1.8–2.0%, below pre-pandemic norm; low-hire/low-fire/low-churn labor market. https://www.bls.gov/jlt/home.htm; https://www.hiringlab.org/2025/09/30/august-2025-jolts-report-low-firing-low-hiring-low-churn/
22. U.S. Equal Employment Opportunity Commission, "Coverage of Employment Agencies" — Title VII, ADA, ADEA apply to referral practices; client and agency can share liability. https://www.eeoc.gov/employers/coverage-employment-agencies
23. Consumer Financial Protection Bureau, "Circular 2024-06: Background Dossiers and Algorithmic Scores for Hiring" — FCRA obligations for third-party consumer reports and hiring algorithms. https://www.consumerfinance.gov/compliance/circulars/consumer-financial-protection-circular-2024-06-background-dossiers-and-algorithmic-scores-for-hiring-promotion-and-other-employment-decisions/
24. U.S. Citizenship and Immigration Services, "Employer Responsibilities / Form I-9" — employer of record bears I-9 duties; a pure referral does not make the agency the employer. https://www.uscis.gov/sites/default/files/document/foia/Employer_Responsibility.pdf
25. U.S. Bureau of Labor Statistics, "Employment Projections, 2024–2034" — uneven occupational growth supporting specialist recruiting niches. https://www.bls.gov/news.release/archives/ecopro_08292024.htm
26. Private-market owners: Allegis Group (Aerotek, TEKsystems, Aston Carter, Actalent), https://www.allegisgroup.com/about/history; Insight Global, "Talent Services," https://insightglobal.com/services/talent-services/; Express Employment International, "About Express," https://expressfranchising.com/about-express/; The Planet Group, https://www.theplanetgroup.com/
27. Foreign-listed global recruiters: Randstad Annual Report, https://www.randstad.com/investor-relations/; Adecco Group Annual Report, https://www.adeccogroup.com/investor-relations; PageGroup Annual Report, https://www.page.com/investors; Hays plc Annual Report, https://www.haysplc.com/investors
28. Macrotrends / Yahoo Finance — approximate 2025 market-capitalization snapshots for MAN, HSII, KFRC, KELYA, ASGN. https://www.macrotrends.net/stocks/charts/MAN/manpowergroup/market-cap