Supermarkets and Other Grocery Retailers (except Convenience Retailers)

U.S. industry-group rollup primer — NAICS 2022 code 44511

A Histometrics rollup primer for public- and private-market investors. Plain language, sourced.

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1. Overview

This is the traditional grocery store business: fixed-location, full-line stores that sell a general line of food (fresh produce, meat, seafood, dairy, deli, bakery, frozen and canned goods, prepared meals) plus household staples. Think Kroger, Publix, H-E-B, Wegmans, Aldi, Trader Joe's, Whole Foods, and tens of thousands of independents. It is the textbook defensive industry (people eat in booms and recessions) but a brutally low-margin one.[1][5]

NAICS (North American Industry Classification System) code 44511 has exactly one child, the six-digit industry 445110, and the two are effectively identical (Section 2). The federal figures below are the level's own; the full detail is in the 445110 primer.

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2. What's inside — and why this level equals its one child

In NAICS, a five-digit code is an industry that can hold one or more six-digit national industries. Code 44511 holds a single one:

Because there is just one child, this level is a pass-through: its scope, definition, and every statistic are identical to 445110's. The code covers conventional supermarkets, larger full-line grocery formats, delicatessen-type stores selling a general food line, and specialty, ethnic, natural, and organic grocers carrying a broad food assortment.[3]

The exclusions are the same at both levels: warehouse clubs and supercenters (Costco, Sam's Club, BJ's, Walmart Supercenter, Target) sit in NAICS 455211; convenience retailers are 445131/457110; and single-line food stores (standalone produce, meat, seafood, bakeries, candy) and beer/wine/liquor stores fall in their own codes.[3] These figures capture the traditional supermarket channel, not total U.S. grocery spending: the country's single largest grocery seller (Walmart) is classified elsewhere.[6]

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3. How big it is

Our ground-truth federal statistics for NAICS 44511:

Concentration (national). The four largest firms took 39.2% of receipts (CR4), the top 8 52.9% (CR8), the top 20 65.7%, and the top 50 74.6%; the Herfindahl-Hirschman Index (HHI, a standard concentration gauge running to 10,000) was just 506.7 — far below the 1,800 the federal Merger Guidelines treat as "highly concentrated."[1][16] That national figure is misleading: grocery is bought and sold locally, and one or two chains can dominate a metro even when the country looks fragmented. That gap is why regulators blocked Kroger-Albertsons in 2024.[7][6]

Undercount caveat. These are employer-based counts: County Business Patterns covers establishments with paid employees, and the Economic Census concentration tables cover firms with payroll, so both exclude tiny nonemployer operators (single-store owner-run groceries with no payroll). Ownership is unusually varied (publicly traded corporations, employee-owned companies, family dynasties, foreign private owners, and member-owned wholesale co-ops), and small/individual ownership is common, so the true count of operators is somewhat higher than the firm figure suggests. The totals also exclude the supercenter and warehouse-club channel by design, so the $809 billion is smaller than the "grocery industry" as consumers experience it.[1][2][6] Our source file contains no nonemployer total, so we make no adjustment for it.

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4. The investable universe

Value concentrates in a short list of large public operators topped by Kroger and Albertsons, with Ahold Delhaize offering U.S. grocery exposure inside a European-listed parent, and smaller specialty/regional names (Sprouts, Grocery Outlet, Ingles, Weis, Village Super Market, Natural Grocers). Several of the strongest operators are deliberately not public: Publix (employee-owned), H-E-B and Wegmans (family), and Aldi, Lidl, and Trader Joe's (foreign private); the two biggest disruptors, Walmart and Costco, are classified outside this code in warehouse clubs and supercenters.[6][8][9] The full company table, with tickers, is in the 445110 primer.

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5. How the money works

Grocery retail is thin-margin and high-turnover: gross margin runs roughly 20-27% of sales, but labor, rent, refrigeration, distribution, payments, and shrink consume nearly all of it, leaving a net margin usually in the low single digits (about 1-3%).[5] Operators win on volume, operating discipline, and higher-margin add-ons: private-label penetration, retail-media advertising, loyalty data, pharmacy, and fuel. The key metrics are same-store (identical/comparable) sales, sales per square foot, inventory turns, and private-label mix.

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6. Demand drivers

Food is a recurring necessity, so aggregate demand is stable. But shoppers readily switch stores, formats, brands, and channels, which makes the business fiercely contestable store by store. The main drivers: population and food-at-home spending; food price inflation (much reported "growth" is price, not volume); government nutrition benefits, chiefly the Supplemental Nutrition Assistance Program (SNAP, formerly food stamps) and WIC, which move real grocery volume; the structural shift to online grocery (roughly a fifth of spend); and persistent value-seeking that keeps pushing share toward discounters.[15][16]

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7. Regulation

Grocery is lightly regulated as a business but heavily regulated on food and labor: the FDA (Food and Drug Administration) Food Code and Food Safety Modernization Act framework, plus USDA (U.S. Department of Agriculture) meat/poultry/egg oversight, for food safety; USDA authorization and EBT (Electronic Benefit Transfer) rules for SNAP acceptance (with tighter stocking requirements taking effect November 2026); heavy union exposure via the UFCW (United Food and Commercial Workers); and close FTC/DOJ antitrust scrutiny on local-market grounds.[7][15][17][10][18]

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8. Consolidation

Because grocery competition is local and the biggest rivals (Walmart, Costco) sit outside this code, consolidation now happens regionally and under heavy scrutiny. The ~$24.6 billion Kroger-Albertsons merger was blocked by courts in December 2024 and abandoned the next day. Live regional moves include Aldi's 2024 purchase of Southeastern Grocers, C&S Wholesale Grocers' 2025 acquisition of SpartanNash, and Kroger's announced 2026 agreement to acquire Giant Eagle.[7][14][13]

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9. Risks

The risks: margin compression (almost no cushion under low-single-digit net margins), competitive share loss to Walmart/Costco and Aldi/Lidl, labor cost and strike risk, the double-edge of food inflation and deflation on reported sales, e-commerce fulfillment economics that dilute thin margins, everyday operational hazards (spoilage, shrink, recalls, cyberattacks), SNAP policy risk, and antitrust limits on growth-by-scale. A structural caveat: buying "grocery" through public supermarket stocks means buying the channel most exposed to the mass/club/discount threat, since several winners of the last decade are private or classified elsewhere.[5][17]

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10. How to invest and the outlook

Public: the most direct large-cap exposures are Kroger and Albertsons, with Ahold Delhaize as a European-listed alternative and a handful of specialty/regional names for growth or niche tilts; Walmart, Costco, and Amazon offer only indirect, heavily diluted grocery exposure. These are typically owned for defensive stability and income at modest multiples. Private: because several strong operators are closed to outside equity, private participation usually comes through control buyouts and growth capital in independent/regional chains, grocery-anchored real estate (a favored recession-resilient net-lease category), and the supplier, wholesaler, cold-chain, and private-label ecosystem feeding the stores. With the Kroger-Albertsons mega-merger dead, expect the battle to be fought store-by-store on price, private label, and digital: a slow-growth, defensively attractive, but structurally pressured industry.

For the complete treatment (full company tables and tickers, margin mechanics, demand and regulatory detail, the merger history, the risk register, and the diligence checklist), read the child primer, NAICS 445110, which this level equals one-for-one.

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Sources

Drawn from the child primer (445110); numbering matches that primer for cross-reference.

1. U.S. Census Bureau, 2022 Economic Census — Establishment and Firm Size / Concentration by Largest Firms (Industry 445110): receipts, firms, concentration ratios (CR4/CR8/CR20/CR50), HHI. (Histometrics ingested federal statistics.) https://data.census.gov/
2. U.S. Census Bureau, 2023 County Business Patterns (NAICS 445110): establishments, employment, annual and Q1 payroll. (Histometrics ingested federal statistics.) https://data.census.gov/table/CBP2023.CB2300CBP
3. U.S. Census Bureau, 2022 NAICS definition — 445110 Supermarkets and Other Grocery Retailers (except Convenience Retailers), including cross-references to excluded codes. https://www.census.gov/naics/?details=445110&year=2022
4. Grocery Dive, "Grocery industry profit margins fall to pre-pandemic levels: FMI," 2024. https://www.grocerydive.com/news/grocery-industry-profit-margins-fall-to-pre-pandemic-levels-fmi/720517/
5. Progressive Grocer / Statista, "Largest grocery chains and U.S. grocery market share (Walmart, Kroger, Costco, Albertsons, Publix, Aldi)," 2024-2025. https://progressivegrocer.com/walmart-holds-tight-1st-place-grocery-market-share
6. Federal Trade Commission, "Statement on FTC Victory Securing Halt to Kroger, Albertsons Grocery Merger," December 2024. https://www.ftc.gov/news-events/news/press-releases/2024/12/statement-ftc-victory-securing-halt-kroger-albertsons-grocery-merger
7. The Kroger Co., "Fourth Quarter and Full-Year 2024 Results" and 2025 Form 10-K, via SEC EDGAR (CIK 0000056873). https://ir.kroger.com/
8. Albertsons Companies, Inc., latest Form 10-K, via SEC EDGAR (CIK 0001646972). https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001646972&type=10-K
9. ALDI U.S., growth announcements and acquisition of Southeastern Grocers (Winn-Dixie, Harveys), 2024-2026. https://corporate.aldi.us/newsroom
10. USDA Economic Research Service / Food and Nutrition Service, "SNAP key statistics FY2024, 2026 retailer stocking rules, and WIC retailer requirements." https://www.ers.usda.gov/topics/food-nutrition-assistance/supplemental-nutrition-assistance-program-snap/key-statistics-and-research
11. Digital Commerce 360 / Grocery Dive, "Online grocery penetration," and USDA ERS, "Who Shops for Groceries Online?" (2024). https://www.digitalcommerce360.com/article/monthly-online-grocery-sales/
12. UFCW locals / news coverage, "Kroger/Albertsons UFCW contracts and 2025 King Soopers strike activity." https://jacobin.com/2025/02/kroger-king-soopers-strike-ufcw
13. Statista / Progressive Grocer, "U.S. grocery market share by company," 2025; and The Kroger Co., "Agreement to Acquire Giant Eagle," 2026. https://ir.kroger.com/
14. C&S Wholesale Grocers, statements on completion of the SpartanNash acquisition, 2025. https://www.cswg.com/
15. USDA Economic Research Service, "A Disaggregated View of Market Concentration in the Food Retail Industry," 2022. https://www.ers.usda.gov/
16. U.S. Department of Justice and Federal Trade Commission, "2023 Merger Guidelines" (HHI thresholds; local-market analysis). https://www.justice.gov/atr/2023-merger-guidelines
17. U.S. Food and Drug Administration, "FDA Food Code" and Food Safety Modernization Act (FSMA). https://www.fda.gov/food/fda-food-code
18. USDA Food Safety and Inspection Service, retail exemptions for meat, poultry, and egg products. https://www.fsis.usda.gov/