Books Printing in the United States (NAICS 323117)
A Histometrics industry primer for public-market and private investors
1. Overview
Books Printing is the business of physically manufacturing books — putting ink and toner on paper, then folding, gluing, sewing and binding the result — on contract for publishers, self-publishers and institutions. It is a manufacturing industry, not a media or content business: the printer almost never owns the words. The company that writes the check (a publisher) supplies the files; the printer supplies presses, paper handling, bindery lines and delivery.
Why an investor should care: the printed book has proven stubbornly durable. U.S. print book unit sales were 782.7 million copies in 2024, up from 778.3 million in 2023 (though still below the pandemic-era peak of 839.7 million in 2021), ranking as the third-best year since tracking began in 2001.[1] The downstream U.S. publishing market generated an estimated $32.5 billion of 2024 revenue, up 4.1% from $31.3 billion in 2023; print formats represented 50.5% of the total, with hardbacks generating $7.9 billion and paperbacks $7.8 billion.[2] Digital did not kill print; e-books plateaued at a minority share (up just 1.5% to $2.1 billion in 2024), while digital audio was the fastest-growing format (up 22.5% to $2.4 billion).[2] Physical remains the dominant format. But this is a low-growth, low-margin, capital-heavy, cyclical manufacturing sector in long-run structural consolidation — a value-and-cash-flow story, not a growth story.
The catch for public-market investors: there is essentially no U.S.-listed pure-play book printer. The largest book manufacturers in North America are privately held (owned by financial sponsors, family businesses, or employee stock plans). The public routes are indirect — a diversified listed printer or the paper suppliers upstream. Private investors, by contrast, are where the real ownership sits: private equity roll-ups, family-owned regional printers, and consolidation plays.
2. What it is, and how it's structured
Scope. NAICS (North American Industry Classification System) code 323117 — Books Printing covers establishments primarily engaged in "printing or printing and binding books and pamphlets without publishing."[3] The defining activity is manufacturing, on a job or contract basis.
What it excludes (important, because book work bleeds across several codes):
- 511130 — Book Publishers: the companies that acquire, edit, own and sell the content. Publishing is the high-margin brand-and-rights business; printing is the low-margin factory. They are separate industries.
- 323111 — Commercial Printing (except Screen and Books): general-line printers doing catalogs, magazines, inserts and marketing collateral. Much book printing actually happens here, inside diversified commercial printers whose primary code is 323111.
- 323113 — Commercial Screen Printing and 323120 — Support Activities for Printing (prepress, plate-making, standalone bindery/finishing). A bindery that does not also print belongs in 323120.
- 459210 — Book Stores (retail) and e-book/audiobook production, which are not printing at all.
Ownership mix. The industry is a barbell:
- A handful of large offset manufacturers running long production lines for high-volume trade titles.
- A wide tail of small and mid-size shops, plus print-on-demand (POD) networks that print single copies to order.
Ownership skews private: financial-sponsor-owned (Atlas Holdings, CJK Group), family-owned (Ingram, Walsworth), and employee-owned/ESOP (Worzalla). Publicly listed ownership is the exception, not the rule.
3. How big it is
From our ingested U.S. federal statistics:
| Metric | Value | Source |
|---|---|---|
| Receipts / shipments (2022) | ~$4.96 billion | Economic Census 2022 [4] |
| Firms (2022) | 852 | Economic Census 2022 [4] |
| Establishments (2023) | 360 | County Business Patterns 2023 [4] |
| Employment (2023) | 18,751 | County Business Patterns 2023 [4] |
| Annual payroll (2023) | ~$1.04 billion | County Business Patterns 2023 [4] |
That works out to roughly 52 employees per establishment and average annual pay near $55,500 (both from the 2023 payroll/employment figures).[4]
A note on the two "counts." They come from different Census programs and years and do not perfectly reconcile: the Economic Census counted 852 firms with any book-printing receipts in 2022, while County Business Patterns counted 360 establishments whose primary business is book printing in 2023. The gap reflects methodology and a shrinking, consolidating footprint — not a data error.
The long-run employment picture is stark. BLS Quarterly Census of Employment and Wages data show 12,891 private-sector jobs in books printing in 2024, down from 38,749 in 2000 — a 66.7% decline. BLS cautions that QCEW is not designed as a consistent time series, so the decline reflects some combination of demand contraction, productivity gains, consolidation, outsourcing and classification changes rather than a clean volume measure. Even with that qualification, it documents a dramatically smaller domestic labor footprint than existed a quarter-century ago.[5]
The undercount caveat is large here. These federal figures capture only establishments dedicated to book printing. They miss:
- Book work done inside diversified commercial printers classified under 323111 (a big chunk of real volume).
- In-house print-on-demand at Amazon (Kindle Direct Publishing / KDP Print) and Ingram (Lightning Source), which print enormous single-copy volumes and are only partly, if at all, captured under this code.
- Imported finished books — a substantial share of U.S. trade, children's, and PreK–12 titles are printed in China, Mexico and Canada and shipped in.[6] That economic activity serves the U.S. book market but never appears in domestic 323117 output.
So the ~$5 billion figure understates the true economics of "getting books manufactured for U.S. readers," which is meaningfully larger once offshore printing and in-house POD are included.
4. The investable universe
There is no U.S.-listed pure-play book printer. The table below separates the thin public exposure from the private owners who actually control the industry.
Listed companies with book-printing exposure (all diversified or exited — none is a pure play):
| Company | Ticker | Scale / note |
|---|---|---|
| Quad/Graphics | NYSE: QUAD | ~$2.7B total net sales (2024); market cap ~$0.4B. Quad divested its entire book business in 2020, selling plants to CJK and Bertelsmann.[7] It is no longer direct book-printing exposure — descriptions calling Quad a current book printer are stale. Retained print operations focus on marketing, catalogs and commercial work. |
| Transcontinental | TSX: TCL.A | Canadian diversified printer/packaging group with a book-printing division that supplies U.S. publishers. |
| Amazon | NASDAQ: AMZN | KDP Print prints vast print-on-demand volumes in-house; a rounding error for Amazon, but structurally one of the largest "book printers" in the country. Not investable as a book play. |
Adjacent public proxies:
- Paper suppliers (the biggest input cost; a cleaner listed read on book-manufacturing economics): Sylvamo (NYSE: SLVM), International Paper (NYSE: IP), Clearwater Paper (NYSE: CLW). Their uncoated-freesheet economics drive printer margins.
- Equipment suppliers: HP Inc. (NYSE: HPQ) supplies commercial and industrial digital presses and consumables.[8]
- Publishers (customers, not suppliers — higher printer pricing is a cost to them): Scholastic (NASDAQ: SCHL) and Wiley (NYSE: WLY) offer exposure to downstream educational and trade publishing demand.[9][10]
Private / other major owners (where the real capacity is):
A 2024 trade ranking provides a useful commercial view of scale (these are company-reported or estimated segment figures, not audited Census revenue, and may include Canadian production and services beyond NAICS 323117):[11]
| Company | Owner / structure | Scale / note |
|---|---|---|
| Lakeside Book Company | Atlas Holdings (private) | #1 — $1.074B book-segment sales (2024).[11] The largest book printer in North America — 600M+ books/year across ~19 U.S. sites. Formerly LSC Communications' book division (itself spun out of RR Donnelley in 2016; LSC went bankrupt in 2020). Acquired Canadian printer Marquis in 2023.[12][13] |
| CJK Group (Sheridan, BookMasters, Bang, Webcrafters, Malloy) | Private | #2 — ~$546M estimated book-segment sales.[11] Academic, journal and short-run book specialist; a leading consolidator of mid-market book printers. Sheridan operates 12 U.S. print-production facilities.[14] |
| RR Donnelley (RRD) | Chatham Asset Management (private) | #3 — $320.65M book-segment sales.[11] Taken private in 2022 (~$2.5B enterprise value); a diversified print/marketing giant that has reduced legacy book exposure.[15] |
| Command Companies | Private (closely held) | #4 — $182.50M book-segment sales.[11] A private printing group serving book publishers.[16] |
| Walsworth | Family-owned | #5 — $120.25M book-segment sales.[11] Yearbooks and books.[17] |
| Ingram Content Group (Lightning Source / IngramSpark) | Ingram Industries (private, family) | Dominant print-on-demand and distribution network; prints single copies on order worldwide and feeds bookstores, libraries and Amazon "expanded distribution."[18] |
| Bertelsmann (Berryville/Coral Graphics) | Bertelsmann (private, Germany) | Book manufacturing tied to Penguin Random House and other publishers. |
| Worzalla | Employee-owned (ESOP) | Largest employee-owned book printer in North America and ~4th largest N.A. book printer; children's and hardcover specialist (e.g., Diary of a Wimpy Kid).[19] |
Bottom line for allocators: public-equity access is essentially limited to Transcontinental (Canadian, diversified) and the paper/equipment names upstream. Quad is no longer a book play. Concentrated exposure requires the private market.
5. How the money works
Book printing is contract manufacturing, so the economics are the economics of a factory that sells capacity.
Revenue = volume × price. Volume is measured in copies and in press impressions/pages; price is set per job. There is little recurring revenue — printers re-win work title by title, print run by print run.
Cost structure. The dominant variable cost is paper, typically on the order of a quarter to over a third of a book's manufacturing cost, followed by ink/toner, plates, digital consumables, adhesives, board and cover materials, labor, energy and freight.[20][21] Books are bulky and comparatively low-value per pound, making freight unusually important. On top sits a heavy base of fixed costs — offset presses, digital lines and binding equipment are expensive, long-lived assets.
Contract terms determine who bears commodity risk. Some publishers supply paper directly; in other contracts the printer purchases and resells it, often with adjustment clauses that reduce commodity-price exposure, while energy inflation can be harder to pass through.[7]
The two economic models — and why the split matters:
- Offset printing: high fixed setup cost per job, very low unit cost at scale. Economical above a practical minimum of roughly 500–1,000 copies; the model for bestsellers and big trade runs.[21]
- Digital / print-on-demand (POD): higher cost per copy, but near-zero setup and instant turnaround — economical down to a single book. It shifts inventory risk off the publisher (no unsold stock) and monetizes the "long tail" of low-volume titles.[18][21] Lakeside's recent installation of additional HP production inkjet capacity is explicitly intended to shorten lead times and reduce publisher inventory exposure.[22]
Publishers increasingly split a title's life across both: a large offset first printing, then digital short runs and POD to replenish without over-ordering.[23] That reduces publisher inventory risk but pressures printers to invest in both technologies.
The swing variable is capacity utilization. Because fixed costs are high, profit lives or dies on keeping presses running near capacity. Run them full and margins are acceptable; let volume slip and unabsorbed fixed cost turns thin margins into losses. This is why overcapacity in a shrinking print world is so punishing, and why the industry consolidates relentlessly to match capacity to demand.
What does "acceptable" mean? A historical reference point: LSC's book operation (which included distribution, fulfillment and publishing technology, so was broader than printing alone) generated approximately $1.0 billion of 2019 revenue and about $80 million of adjusted EBITDA — roughly an 8% adjusted EBITDA margin.[24] That is indicative of a scale platform; smaller or less-utilized operators run thinner.
Net: a low-margin, capital-intensive, cyclical business where the winners are disciplined on utilization and equipped for both long offset runs and short digital ones.
6. What drives demand
- Total print book sales. The core driver — and it has held up. 782.7M print units in 2024, the third-best year on record.[1] Consumers still prefer physical books for many uses; e-books settled into a minority share rather than displacing print.
- Category mix. Children's and illustrated books (physically demanding, poor e-book substitutes) and trade fiction are print-heavy tailwinds. Educational and academic textbooks are the structural headwind — the segment most aggressively shifting to digital/subscription. Scholastic warns that educational sales depend on federal, state and local funding, procurement rules and changes in teaching practices.[9] Used and rental textbooks and digital courseware are additional substitutes for newly printed college texts.[10]
- BookTok. Social-media-driven discovery (TikTok's "BookTok") has boosted physical sales of fiction and young-adult titles.[1]
- Self-publishing and POD. A steadily rising flood of self-published titles, enabled by cheap digital printing, expands the total number of titles even as it fragments volume.[23] POD is the growth mode within a flat market.
- Retail and library health. Bookstore expansion (e.g., Barnes & Noble reopening stores), library budgets and consumer discretionary spending all feed print orders.
- Print-run conservatism. Post-pandemic, publishers order more cautiously — smaller first runs, faster reorders — favoring digital/POD capacity over big offset runs.[23]
7. Regulation
Book printing is lightly regulated as an industry, with no content licensing (printing is protected speech). The binding rules are general manufacturing and trade rules:
- Environmental (U.S. EPA and state agencies): volatile organic compound (VOC) and hazardous air pollutant (HAP) emissions from inks, cleaning solvents, fountain solutions, coatings and heatset dryers (commonly gas or electric). EPA regulates HAP emissions from covered printing operations under the Printing and Publishing Industry NESHAP; book plants using offset lithography may also face state implementation requirements.[25][26]
- Worker safety (OSHA): machine guarding on presses and binders, lockout/tagout, chemical communication, heavy lifting and repetitive-motion hazards. OSHA identifies these as key exposure areas in printing operations.[27]
- Trade policy — the live wire. Finished printed books have generally been exempt from the 2025 tariff rounds as "informational materials" under the International Emergency Economic Powers Act (IEEPA).[6] But the inputs are exposed: paper, board and some components face tariff and antidumping pressure, and a meaningful share of PreK–12, dual-language and children's runs are printed in China and Mexico, where duties and policy uncertainty raise landed costs.[6] The legal status of the IEEPA tariffs has itself been contested in the courts, adding planning uncertainty.
- Paper trade remedies: antidumping/countervailing duties on imported uncoated paper have periodically tightened domestic supply and lifted input costs.
- Postal rates (USPS): affect the distribution economics of printed products.
Net: no industry-specific licensing regime, but trade and environmental policy shape input costs materially.
8. Competitive dynamics and consolidation
Two decades of declining overall print demand have driven relentless consolidation and plant closure. Landmarks:
- RR Donnelley spun off its book/magazine division as LSC Communications (2016).
- Quad/Graphics agreed to buy LSC (2018); the U.S. Department of Justice sued to block it (2019), describing Quad and LSC as the only realistic choices for some large publishers and citing long-run web-offset economics, quick-turn requirements and high entry barriers. The deal collapsed.[12][28]
- LSC went bankrupt (2020); Atlas Holdings acquired the book division, now Lakeside Book Company, which then bought Canada's Marquis in 2023.[12][13]
- Quad divested its entire book business (2020), selling plants to CJK and Bertelsmann.[7]
- RRD itself went private (2022) under Chatham Asset Management.[15]
- CJK Group rolled up multiple mid-market book printers (Sheridan, Malloy, BookMasters, Bang, Webcrafters).
Concentration (our federal data, 2022):[4]
- Top 4 firms: 38.7% of receipts (CR4)
- Top 8: 54.3% (CR8) · Top 20: 72.1% (CR20) · Top 50: 86.6% (CR50)
- Herfindahl-Hirschman Index (HHI): 508 — technically "unconcentrated" by antitrust standards (below 1,500).
Read those two facts together: the top handful of firms controls the high-volume trade work, but a long tail of small shops keeps the overall HHI low. The DOJ's move against the Quad–LSC merger shows regulators still watch the top tier, and DOJ found that overseas plants were often impractical for fast education and trade replenishment because turnaround and freight could overwhelm manufacturing savings.[28]
Structure of competition is two-tiered:
- Big offset houses (Lakeside, CJK/Sheridan, Worzalla) competing on long-run cost and capacity.
- POD networks (Ingram/Lightning Source, Amazon KDP) competing on the long tail, single-copy economics and speed.[18]
Amazon's vertical integration — printing the books it also sells — is a structural threat to independent printers on the self-publishing and reorder end.
9. Risks
- Structural print decline / digital substitution, concentrated in education and reference — the segment most exposed to going fully digital.
- Paper cost and supply shocks. Graphic-paper mills have converted capacity toward packaging grades, which can tighten book-paper availability even when aggregate demand is declining. Sylvamo reports that global uncoated-freesheet demand declined at a 2.1% compound annual rate from 2019 through 2025.[29] Yet North American UFS capacity is tightening: Pixelle's Chillicothe, Ohio mill (~300,000 tons/year of UFS, the region's third-largest producer) shut permanently in August 2025, and with International Paper's Riverdale exit, industry operating rates could reach ~92% in 2026, pushing prices up.[20] Lower secular demand can coexist with temporary shortages and price spikes in particular weights or grades. Rising paper cost is the single biggest near-term margin risk.
- Overcapacity and utilization risk. In a shrinking market, any volume slip strands fixed costs and turns thin margins negative.
- Customer concentration. A few large publishers (the "Big Five" trade houses) command pricing power over printers.
- Amazon vertical integration eroding the self-publishing/reorder tier.
- Cyclicality — book buying tracks consumer discretionary spending.
- Labor — an aging skilled workforce and difficulty replacing press operators.[23]
- Leverage / sponsor ownership. Much of the industry sits under private-equity or ESOP balance sheets (Atlas, CJK); financial-sponsor leverage raises fragility if volumes fall.
- Trade/tariff uncertainty on inputs and offshore-printed components.[6]
- Antitrust scrutiny — removing a large plant or combining national platforms can affect peak capacity and publisher bargaining power, as the DOJ's Quad–LSC challenge demonstrated.[28]
10. How to invest, and the outlook
Public-market routes (limited and indirect):
- Quad/Graphics (NYSE: QUAD) — frequently cited, but no longer direct book exposure after its 2020 divestiture.[7] It is now a diversified marketing/print company. Using QUAD as a book-printing comparable without adjusting for that divestiture is a significant analytical error.
- Transcontinental (TSX: TCL.A) — Canadian diversified printer/packaging with a book division.
- Paper suppliers — Sylvamo (SLVM), International Paper (IP), Clearwater Paper (CLW) — a cleaner listed way to express a view on the book-manufacturing input cycle, since paper price and UFS capacity drive printer economics.[20][29]
- Equipment suppliers — HP Inc. (HPQ) supplies digital presses and consumables.[8]
- Publishers — Scholastic (SCHL), Wiley (WLY) — offer exposure to downstream demand, but higher printer pricing is a cost to them, not revenue.[9][10]
- Amazon (AMZN) gives indirect, immaterial exposure through KDP Print.
Private-market routes (where concentrated exposure lives):
- Direct ownership or PE participation in the private majors and regional printers — Lakeside (Atlas), CJK Group, Ingram, Worzalla, Walsworth, Command. Consolidation/roll-up strategies remain the dominant private thesis: buy scale, rationalize plants, hold utilization.
- Supplier and adjacent businesses (bindery/finishing, prepress, distribution/fulfillment, POD platforms) are alternative private entry points.
For private underwriting, the decisive diligence items are: plant-level utilization by press and bindery type, customer and title concentration, contract repricing mechanics, customer-supplied versus printer-owned paper, maintenance capital expenditure, labor succession, spoilage, peak-season scheduling, digital-versus-offset mix, and whether reported earnings include higher-margin warehousing, fulfillment or publishing services. Headline "book market" growth is much less informative than those plant-level variables.
Near-term drivers and outlook (forward-looking judgment):
- Print demand looks resilient but roughly flat-to-low-single-digit — industry participants themselves project low-single-digit book growth over the next few years.[23][30]
- Digital / print-on-demand is the growth mode within that flat pie — the capability worth paying for.[23]
- Paper cost inflation and tight UFS supply into 2026 are the key margin risk.[20][29]
- Education is a structural drag; children's and trade fiction are relative bright spots.
- Consolidation continues. Winners are separated by utilization discipline and the ability to serve both long offset runs and short digital ones.
- Valuations of the listed names are depressed, reflecting secular print decline. The realistic thesis is cash generation, disciplined consolidation and cost control — not top-line growth.
In short: a durable-but-shrinking manufacturing industry, dominated by private owners, where the public investor's cleanest exposure is often the paper upstream rather than the printers themselves — and where the returns, public or private, come from utilization, cost discipline and consolidation rather than growth.
Sources
- Publishers Weekly (citing Circana BookScan), "Print Book Sales Saw a Small Sales Increase in 2024," 2025. https://www.publishersweekly.com/pw/print/20250113/96842-print-book-sales-saw-a-small-sales-increase-in-2024.html
- Association of American Publishers, "AAP StatShot Annual Report: Publishing Revenues Totaled $32.5 Billion for Calendar Year 2024," 2025. https://publishers.org/news/aap-statshot-annual-report-publishing-revenues-totaled-32-5-billion-for-calendar-year-2024/
- U.S. Census Bureau, NAICS 323117 definition. https://www.census.gov/naics/?details=323&input=323&year=2022
- U.S. Census Bureau, County Business Patterns 2023 and Economic Census 2022 (Concentration statistics), NAICS 323117 — Books Printing (Histometrics ingested federal statistics). https://www.census.gov/programs-surveys/cbp.html
- U.S. Bureau of Labor Statistics, "Industries with employment decreases from 2000 to 2024," The Economics Daily, 2025. https://www.bls.gov/opub/ted/2025/industries-with-employment-decreases-from-2000-to-2024.htm
- American Booksellers Association, "An Overview of the 2025 Tariffs," 2025; and The Freedonia Group, "Education Publishing Faces New Pressures as 2025 US Tariffs Expand," 2025. https://www.bookweb.org/news/overview-2025-tariffs-1631822
- Quad/Graphics, 2020 Form 10-K (SEC filing). https://www.sec.gov/Archives/edgar/data/1481792/000148179221000008/quad-20201231.htm
- HP Inc., 2025 Form 10-K (SEC filing). https://www.sec.gov/Archives/edgar/data/47217/000004721725000071/hpq-20251031.htm
- Scholastic Corporation, 2025 Form 10-K (SEC filing). https://www.sec.gov/Archives/edgar/data/866729/000086672925000020/schl-20250531.htm
- John Wiley & Sons, Form 10-K (SEC filing). https://www.sec.gov/Archives/edgar/data/107140/000010714022000022/form10k.htm
- Printing Impressions, 2024 Book Printers Ranking. https://digitaleditions.napco.com/publication/?i=837131&p=44&view=issueViewer
- Publishers Weekly, "LSC Book Division Now Lakeside Book Company," 2021; and Wikipedia, "LSC Communications," 2024. https://www.publishersweekly.com/pw/by-topic/industry-news/manufacturing/article/86602-lsc-book-division-now-lakeside-book-company.html
- Atlas Holdings, "Lakeside Book Company Acquires Marquis Book Printing Inc.," 2023. https://www.atlasholdingsllc.com/news/lakeside-book-company-acquires-marquis-book-printing-inc/
- CJK Group, "Sheridan Expands Capacity and Advances Book and Publication Production at Kentucky Facilities," 2025. https://www.cjkgroup.com/news/sheridan-expands-capacity-and-advances-book-and-publication-production-at-kentucky-facilities/
- Wikipedia, "RR Donnelley," 2024; and Lowenstein Sandler, "Chatham Asset Management... Closing of Strategic Acquisition," 2022. https://en.wikipedia.org/wiki/RR_Donnelley
- Command Companies. https://commandcompanies.com/book-publishing-solutions/
- Walsworth, company history. https://www.walsworth.com/history
- Wikipedia, "Lightning Source," 2024; and Ingram Content Group, "Print-on-Demand FAQs." https://en.wikipedia.org/wiki/Lightning_Source
- WisBusiness, "Worzalla: Ranks as the largest employee-owned book printer in North America," 2022. https://www.wisbusiness.com/2022/worzalla-ranks-as-the-largest-employee-owned-book-printer-in-north-america/
- Sheridan (CJK Group), "Paper Market Update — September 2025 / January 2026," 2025–2026; and Recycling Today, "Pixelle to idle Ohio paper mill," 2025. https://www.sheridan.com/insights/paper-market-update-january-2026/
- Mordor Intelligence, "Offset Printing Services Market"; and Linemark, "What is Offset Printing for Books?" 2026 (offset vs. digital economics). https://www.mordorintelligence.com/industry-reports/offset-printing-services-market
- Lakeside Book Company, "Lakeside Book Company Strengthens Publisher Flexibility and Speed with Installation of New HP T500 Press in Harrisonburg, VA," 2025. https://lakesidebookcompany.com/news/lakeside-book-company-strengthens-publisher-flexibility-and-speed-with-installation-of-new-hp-t500-press-in-harrisonburg-va/
- Printing Impressions (PIworld), "2025 Book Outlook: Cautious Optimism," 2025; and Publishers Weekly, "Book Manufacturing Could Soon See Major Changes," 2025. https://www.piworld.com/article/2025-book-outlook-cautious-optimism/
- LSC Communications, Transaction presentation (SEC filing), 2020. https://www.sec.gov/Archives/edgar/data/1669812/000119312520245827/d30811dex991.htm
- U.S. EPA, "Printing and Publishing Industry National Emission Standards for Hazardous Air Pollutants (NESHAP)." https://www.epa.gov/stationary-sources-air-pollution/printing-and-publishing-industry-national-emission-standards
- U.S. EPA, "Monitoring Information — Industry: Printing and Publishing." https://www.epa.gov/air-emissions-monitoring-knowledge-base/monitoring-information-industry-printing-and-publishing
- OSHA, Printing Industry Guidance (Graphic Arts Coalition Alliance; Lithography eTool). https://www.osha.gov/etools/printing-industry/lithography
- U.S. Department of Justice, Complaint in United States v. Quad/Graphics, Inc. and LSC Communications, Inc. (Case 1:19-cv-02030), 2019. https://www.justice.gov/atr/case-document/file/1176426/dl
- Sylvamo Corporation, 2025 Form 10-K (SEC filing). https://www.sec.gov/Archives/edgar/data/1856485/000185648526000008/syl-20251231.htm
- MarketIntelo, "Book Printing Market Research Report 2034," 2025 (global market size and growth). https://marketintelo.com/report/book-printing-market