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Industry Primers

Bottom-up NAICS industry primers written for both public-market and private investors. Leaf industries are researched from the ground up; every group, subsector, and sector above them reads as a contrast across the industries beneath it.

2122 industries · 24 sectors · NAICS 2022

Researched with AI assistance from official U.S. statistics and independent sources, with citations on every page. Figures are not individually verified against pinned evidence — primers marked Evidence-verified are. Industry research, not investment advice. Methodology.

National industryNAICS 313320

Fabric Coating Mills (NAICS 313320) — U.S. Industry Primer

1. Overview

Fabric coating mills take a base cloth and turn it into an engineered material by applying a layer of polymer — vinyl, polyurethane, rubber, silicone, acrylic, or wax — to one or both sides. The result is a coated fabric: a textile that gains properties the cloth alone never had, such as waterproofing, abrasion resistance, flame resistance, air-tightness, or a wipe-clean leather-like surface. Everyday examples include vinyl upholstery (Naugahyde), truck tarps and billboard media, tent and awning fabric, architectural roof membranes, inflatable boats, protective clothing, and the silicone-coated cloth inside a car airbag [1][2].

Why an investor cares: this is a small, unglamorous, but essential middle-of-the-supply-chain converter business. Mills sit between commodity textile and chemical suppliers on one side and demanding end markets — automotive, construction, defense, medical, marine — on the other. The economics are those of a materials processor: earnings come from the spread between selling price and input costs, from running expensive coating lines at high utilization, and from moving up-market into technical, specialty grades that import competition can't easily copy.

Public-market ways in are thin. There is essentially one U.S.-listed pure-play, a micro-cap (Uniroyal Global, ticker UNIR), and otherwise only indirect exposure through large diversified multinationals for which coated fabrics is one small segment. The real ownership of this industry is private and family-held — most U.S. coated-fabric output comes from privately owned mills — so for private investors the relevant routes are direct ownership, private equity, and M&A rather than the stock market.

2. What it is and how it's structured

NAICS (North American Industry Classification System) code 313320, Fabric Coating Mills, covers establishments "primarily engaged in coating, laminating, varnishing, waxing, and rubberizing textiles and apparel" [2][3]. Illustrative activities: making oilcloth and vinyl-coated fabric; rubberizing or waterproofing purchased garments and raincoats; laminating, metallizing, and varnishing purchased cloth; and producing artificial leather from purchased fabric [1][2]. Current trade-association members serve building and construction, automotive, marine, healthcare, contract furnishings, roofing, and pool-liner markets [4].

Coating methods vary by product: knife/blade-over-roll spreading, calendering (pressing molten polymer between hot rollers), dip coating, transfer coating, gravure, rotary-screen, extrusion, and lamination of a pre-made film to cloth [5]. Production is usually continuous roll-to-roll web processing: resin, solvents or water, plasticizers, pigments, fillers, and additives are mixed into a formulation; fabric is tensioned through rollers and coated; the web then passes through flash-off and heated drying or curing zones before inspection, embossing, printing, slitting, and rewinding [5]. Some mills also do toll (commission) coating — coating a customer's fabric for a fee rather than selling their own merchant product.

What it excludes (adjacent NAICS codes — these matter because they blur the true footprint of "coated fabrics"):

  • 313310 Textile and Fabric Finishing Mills — dyeing, bleaching, and finishing cloth without a polymer coating [2].
  • 313210 Broadwoven Fabric Mills — vertically integrated plants that weave and coat (e.g., some airbag and tire-cord fabric) are often classified by their weaving, not their coating.
  • 314 Textile Product Mills — cutting and sewing finished coated fabric into tarps, awnings, tents, and bags (e.g., 314910) is downstream fabrication, not coating.
  • 326 Plastics and Rubber Products — synthetic leather and film made primarily from plastic or rubber resin (rather than by coating a textile) falls into plastics/rubber codes.

Ownership mix: predominantly small-to-midsize private and family-owned manufacturers, alongside U.S. plants of foreign industrial groups. Only a sliver of the industry is publicly traded.

3. How big it is

Federal statistics for NAICS 313320 (United States):

Metric Value Source (year)
Establishments 153 (Economic Census) / 147 (CBP) Census Economic Census (2022) [6]; Census CBP (2023) [7]
Firms 138 Census Economic Census (2022) [6]
Employment ~6,992 workers Census CBP (2023) [7]
Annual payroll $457.9M (2022) / $470.5M (2023) Census Economic Census (2022) [6]; Census CBP (2023) [7]
Industry receipts (revenue) $2.884 billion Census Economic Census (2022) [6]
SBA small-business size standard ≤1,000 employees U.S. Small Business Administration (2023) [8]

A few things fall out of these numbers. This is a small, concentrated-by-plant industry: roughly 147–153 establishments averaging about 46–48 workers each, and average pay of about $67,000 per worker (payroll ÷ employment) [7]. Revenue runs on the order of ~$400,000 per employee (2022 receipts against ~7,000 workers), typical of a capital- and materials-intensive processor where value is in machinery and inputs, not headcount [6][7]. An independent trade estimate put 2022 U.S. coated-fabric production at about $2.6 billion, close to the Census receipts figure and a useful cross-check [9]. Note the distinction: Census found 153 establishments but 138 firms in 2022, explicitly demonstrating that some companies operate multiple plants [6].

Undercount caveat. Unlike industries dominated by government or by tiny individual operators, this is a straightforward manufacturing census — the establishment count is reasonably complete. The distortion runs the other way: the economic footprint of coated fabrics is larger than the $2.88 billion 313320 line because (a) integrated weave-and-coat plants get counted under broadwoven fabric mills, (b) plastic- and rubber-based synthetic leather is counted under plastics/rubber, and (c) a large share of U.S. consumption is imported, not domestically produced. Broad market-research estimates that lump all of these together put the global coated-fabrics market near $28–30 billion in 2024–2025, growing about 5% a year — but this is a much wider definition than the Census industry and should not be confused with NAICS 313320 domestic output [10].

4. The investable universe

There is no large-cap U.S. pure-play. The listed exposure is one micro-cap and a set of diversified foreign multinationals; most of the real capacity is private.

Publicly traded (pure-play):

Company Ticker / Listing Scale & note
Uniroyal Global Engineered Products UNIR (OTCQB) ~$70M revenue; vinyl-coated fabrics; owns the Naugahyde brand; auto, contract, hospitality, healthcare seating. Micro-cap and illiquid; latest SEC annual filing covers 2021 [11]

Publicly traded (diversified; coated fabrics is a small segment):

Company Ticker / Listing Coated-fabric footprint
Saint-Gobain SGO (Euronext Paris) Performance-plastics coated fabrics (silicone/PTFE-coated, architectural) [12]
Trelleborg TREL-B (Stockholm) Engineered Coated Fabrics unit — specialty polymer-coated/calendered materials [13][14]
Continental AG CON (Frankfurt) ContiTech coated fabrics — automotive, aviation, medical, protective. Note: On July 4, 2026, Continental agreed to sell ContiTech to Lone Star Funds for €4.0B plus up to €250M in performance payments; closing expected by end of 2026, so this is temporary rather than durable exposure [13][15]
SergeFerrari Group ALFER (Euronext Growth Paris) ~€347M revenue; tensile architecture, solar shade, marine [16]
Surteco Group SUR (Frankfurt) Acquired OMNOVA's laminates, performance-films, and coated-fabrics operations effective February 28, 2023 [17]
SRF Limited SRF (India NSE/BSE) Coated/technical textiles and tire fabrics

Airbag fabric (specialized, mostly Japanese-listed): Asahi Kasei, Toyobo, Toray Industries, and Seiren together with Highland Industries (a U.S. producer owned by Asahi Kasei) supply most of the world's silicone-coated airbag cloth [18].

Major private / family-owned U.S. and North American mills (not investable on a public exchange — reachable only via direct ownership, PE, or M&A):

  • Seaman Corporation (Wooster, OH) — industrial PVC-coated fabrics (XR-5, Shelter-Rite)
  • Cooley Group (RI) — geomembranes, roofing, signage, print media
  • Herculite Products (Emigsville, PA) — marine, awning, medical, military fabrics
  • Glen Raven (NC) — Sunbrella performance fabrics; also distribution (Trivantage); estimated ~18% of the marine-fabric market [19]
  • Haartz Corporation (MA) — automotive convertible tops and interior surfacing
  • Milliken & Company (SC) — diversified specialty/coated technical textiles
  • Shawmut Corporation (MA) — fourth-generation family-owned advanced-materials company [20]
  • Morbern (Cornwall, ON, with U.S. operations) — decorative vinyl upholstery
  • Canadian General-Tower — coated fabrics and films
  • Spradling/Proquinal — vinyl-coated fabrics
  • Plus U.S. plants of European groups Sioen (Belgium; taken private by the founding family in 2021) and Freudenberg (Germany) [21]

5. How the money works

A coating mill is a spread-and-utilization business. Owners buy two main inputs — a base fabric (woven or knit greige cloth, often polyester or nylon) and a polymer system (PVC resin plus plasticizers, polyurethane, rubber, silicone, or acrylic, plus pigments and additives) — run them through a coating or calendering line, and sell the finished material by the linear or square yard at a markup. As one reference point, OMNOVA reported that PVC, plasticizers, and textiles represented 57% of its Engineered Surfaces raw-material purchases in 2016 — a dated, segment-specific figure, but illustrative of the material intensity [22].

The levers that determine whether a mill makes money:

  • Input-cost spread. PVC, plasticizers, and polyurethane are petrochemical derivatives, so raw-material cost tracks oil and gas. Margin is the gap between selling price and the combined cost of cloth, resin, and energy (coating and curing are heat-intensive). When resin prices spike faster than the mill can raise prices, margins compress. Uniroyal raised prices across product categories three times during 2021, yet still reported that higher raw-material and freight costs reduced profitability [11].
  • Capacity utilization. Coating lines are expensive fixed assets. Fixed costs get spread over volume, so throughput and uptime drive unit economics — the same logic as any manufacturer's plant-utilization rate. Long web lines and curing ovens create operating leverage: volume loss does not remove much fixed plant cost, while a full line running a qualified higher-value formulation can be attractive.
  • Product mix (the key margin lever). Commodity upholstery vinyl competes on price against imports and earns thin margins. Specialty and technical grades — architectural membranes, defense and PPE (personal protective equipment) fabric, medical, marine, airbag — require qualification, know-how, and certifications, and command materially higher margins. Moving mix up-market is how a mill defends profitability.
  • Yield and waste. Coating defects, off-spec runs, and trim loss directly hit gross margin.
  • Customer concentration and contract structure. Automotive Tier-1 and defense contracts bring volume but squeeze price and can leave a mill exposed if a program is lost. Uniroyal's automotive customers experienced intermittent production shutdowns during the 2021 supply-chain disruption, directly affecting the coater despite demand for the finished vehicle [11].
  • Toll vs. merchant. Commission coating earns a processing fee with less inventory risk; merchant production captures more margin but carries raw-material and finished-goods working capital.

Producer-price trends: The BLS industry PPI for NAICS 313320 rose from 218.3 in December 2020 to 297.4 in April 2026, an increase of approximately 36%, showing substantial producer-price realization during and after the supply-chain shock [23].

Margin data is scarce. Uniroyal, the closest public pure-play, reported a 12.4% gross margin and a negative 2.1% operating margin in 2021 — an example, not an industry benchmark [11]. Diversified-company margins are even less comparable: Continental's broad ContiTech segment produced a 5.3% adjusted EBIT margin in 2025, but that segment also contained hoses, belts, air springs, and other industrial products [15].

In short: watch the resin/energy input spread, plant utilization, and the share of revenue coming from specialty vs. commodity grades.

6. What drives demand

Coated-fabric demand is derived from the end markets it serves, so it is cyclical and tied to industrial and construction activity:

  • Automotive and transportation — the largest end use, roughly a third of the global market — covering seating surfaces, airbags, convertible tops, headliners, and interior trim. Demand follows vehicle production and build rates [10][18].
  • Construction and architecture — tensile roof structures, awnings, canopies, tents, and single-ply roofing membranes; tracks non-residential construction [10].
  • Furniture, hospitality, healthcare, and marine — contract seating, cleanable healthcare surfaces, boat covers and upholstery.
  • Industrial and protective — tarps, geomembranes, inflatables, billboard and print media, conveyor belting, and PPE/workwear.
  • Defense — tents, shelters, vehicle covers, and inflatable craft; steadier, specification-driven demand with longer qualification cycles and higher product-failure consequences.
  • Consumer/outdoor — rainwear, bags, umbrellas, and awnings.

Coated fabric substitutes for leather, uncoated textiles, and unsupported plastic or rubber sheet. It can win on cost, consistency, cleanability, weather resistance, and manufacturability, but it can also be displaced by molded plastics, knit spacer fabrics, TPO membranes, next-gen synthetics, or an unsupported film where the fabric reinforcement is unnecessary [11].

Two structural shifts are reshaping demand rather than just cycling it: a move toward sustainable materials (PVC-free, PFAS-free, recyclable, and bio-based coatings) and, in autos, EV interiors and lightweighting, which change the specifications mills must meet. Customers increasingly demand a system of properties — cleanability plus antimicrobial performance, or flame resistance plus low smoke and toxicity — rather than coating by the yard, which favors formulation expertise and customer co-development [10][14].

7. Regulation

Coating is a chemical process applied to materials that end up in cars, buildings, and clothing, so the industry sits under several regulatory regimes:

  • Air emissions. Solvent-based coating releases volatile organic compounds (VOCs) and hazardous air pollutants, regulated under the U.S. Clean Air Act, including a National Emission Standards for Hazardous Air Pollutants (NESHAP) category for fabric coating. The Fabric NESHAP applies to major sources and identifies compounds including toluene, MEK, methanol, xylenes, MIBK, methylene chloride, n-hexane, glycol ethers, and formaldehyde [5][24]. New, modified, and reconstructed polymeric-coating facilities can also face VOC-control requirements under applicable New Source Performance Standards [25]. This pushes mills toward water-based and solventless (100%-solids) systems.
  • Water quality. EPA's textile-mill effluent rules cover fabric coating and laminating, and the agency is studying PFAS discharges from textile facilities even where PFAS use has ceased [26].
  • PFAS restrictions (the fastest-moving pressure). Per- and polyfluoroalkyl substances (PFAS) are the chemistry behind many durable water repellent (DWR) finishes and stain-resistant coatings. California's AB 1817 prohibits regulated PFAS in most new textile articles beginning January 1, 2025, with a later date for specified severe-wet-condition outdoor apparel [27]. New York, Colorado, Washington, Maine, Minnesota, Vermont, and Connecticut are phasing in similar rules, and stricter EU and French bans follow in 2026 [28]. Mills serving apparel and technical outdoor markets are reformulating to fluorine-free alternatives.
  • PVC and plasticizers. Phthalate plasticizers and PVC itself face scrutiny under EU REACH, California Proposition 65, and consumer-product rules, feeding demand for phthalate-free and PVC-free grades.
  • Worker safety. OSHA rules on solvent and isocyanate exposure (isocyanates are used in polyurethane coating) govern plant operations. For the broader NAICS 3133 group, OSHA's federal inspections from October 2024 through September 2025 recorded 21 citations across 10 inspections, with machine guarding, flammable liquids, and hazardous-energy control prominent [29].
  • Product performance standards. Flammability and safety specs — FMVSS 302 for auto interiors, aircraft and furniture flame standards, medical and children's-product requirements — gate which fabrics can be sold into regulated end uses.
  • Trade policy. Tariffs directly shape competition (see below).

8. Competitive dynamics and consolidation

By the numbers, U.S. fabric coating is fragmented and unconcentrated. The largest four firms account for about 24.7% of revenue, the top eight about 39.2%, and the top 50 about 88.7%; the Herfindahl-Hirschman Index (HHI, a standard concentration gauge where under 1,500 is "unconcentrated") is just 288.6 [6]. No single firm dominates.

But the industry is really two tiers competing on different terms:

  • Commodity coated fabrics (basic upholstery and industrial vinyl) compete largely on price and are exposed to low-cost imports, especially of synthetic leather from Asia.
  • Specialty/technical fabrics (architectural, defense, medical, airbag, high-performance industrial) compete on engineering, certification, and reliability, where global majors — Saint-Gobain, Continental, Trelleborg, Freudenberg, Sioen, Serge Ferrari — and specialized U.S. private mills hold defensible positions [12][13].

Consolidation has been steady rather than dramatic: Synthomer acquired Omnova Solutions (2020) and then divested the coated-fabrics unit to Surteco (effective February 2023); the Sioen family took Sioen Industries private (2021); Continental agreed to sell ContiTech to Lone Star Funds (2026) [15][17][21]. Barriers to entry are meaningful — coating lines are capital-intensive, technical formulation is hard to replicate, and automotive, defense, and medical customers require long qualification — which protects incumbents but also caps growth.

9. Risks

  • Cyclicality. Revenue swings with automotive builds and construction; a downturn in either hits volumes and utilization.
  • Input-cost volatility. PVC, plasticizer, polyurethane, and energy costs track petrochemicals; margins compress when input prices outrun the mill's pricing power. Customer price increases can lag raw-material increases [11][22].
  • Import competition and tariff whipsaw. Commodity grades face persistent low-cost imports. U.S. tariffs on Chinese textiles reached roughly 145% in 2025, which can help domestic mills but also raises input costs and injects policy uncertainty; broader Asian import volumes have proven resilient despite the duties [30].
  • Regulatory/ESG obsolescence. PFAS and PVC/phthalate restrictions can strand product lines and force costly reformulation on short timelines [27][28].
  • Substitution. Molded plastics, knit spacer fabrics, TPO membranes, and next-gen synthetics can displace traditional coated fabrics in some uses.
  • Customer concentration. Dependence on a few automotive or defense programs magnifies the impact of a lost contract.
  • Skilled labor. Skilled coating-line operators, chemists, and quality personnel are harder to replace than generic textile labor. Automation reduces headcount but raises dependence on controls technicians and on a small number of high-throughput lines.
  • Small-cap financing risk. The lone listed pure-play (UNIR) is a thinly traded micro-cap reliant on secured credit facilities — an equity there carries liquidity and balance-sheet risk beyond the industry's operating risks; the most recent SEC annual filing covers 2021, so current investability requires separate securities diligence [11].

10. How to invest and the outlook

Public-market routes are limited and indirect. There is no U.S. large-cap pure-play and no dedicated ETF. The options:

  • A single micro-cap pure-play, Uniroyal Global (UNIR, OTCQB) — direct exposure but speculative, illiquid, and balance-sheet-sensitive; latest SEC filing covers 2021 [11].
  • Diversified proxies, where coated fabrics is a minor segment inside a much larger business: Saint-Gobain (SGO), Trelleborg (TREL-B), SergeFerrari (ALFER), Surteco (SUR), and SRF — none of which is a bet on coated fabrics alone [12][13][16][17]. Continental (CON) exposure is temporary given the pending ContiTech sale [15].
  • Airbag-fabric exposure via Japanese-listed Asahi Kasei, Toyobo, Toray, and Seiren [18].

Private-market routes are where the industry actually lives. Most U.S. capacity is private and family-owned — Seaman, Cooley, Herculite, Glen Raven, Haartz, Milliken, Shawmut, Morbern — reachable through direct acquisition, private-equity roll-ups (the fragmented, sub-$3B industry with an HHI under 300 is structurally suited to consolidation), supplier/customer partnerships, or buying a single specialty mill as a platform or bolt-on [6][19][20]. Critical diligence points include customer and program concentration, qualification ownership, formulation/IP control, resin pass-through mechanisms, environmental permits and legacy liability, oven and pollution-control condition, line utilization, yield, maintenance capex, working capital, imported competition, and the cost of reformulating away from restricted chemicals.

Outlook (forward-looking judgment). Expect low-single-digit demand growth overall, in line with global market forecasts of roughly 5% a year for the broad category, but with sharply diverging fortunes by tier [10]. Commodity vinyl faces continued import and margin pressure; specialty and technical grades — architectural membranes, solar shade, defense, medical, and EV interiors — are the growth and margin story. Two policy-and-chemistry forces dominate the next few years: the reshoring pull of tariffs, which favors domestic mills but against a backdrop of deep structural import reliance, and the sustainability transition to PFAS-free, PVC-free, recyclable, and bio-based coatings, which will reward mills that reformulate early and strand those that don't [10][27][28][30]. For investors, the practical takeaway is that this is a private-ownership, specialty-margin industry: value is created by moving up-market and by consolidating a fragmented base, not by riding a listed pure-play.


Sources

  1. Encyclopedia.com, "NAICS 313320 — Fabric Coating Mills," https://www.encyclopedia.com/manufacturing/news-wires-white-papers-and-books/naics-313320-fabric-coating-mills
  2. NAICS Association, "NAICS Code 313320 — Fabric Coating Mills" (definition and cross-reference to 313310), 2022, https://www.naics.com/naics-code-description/?code=313320
  3. U.S. Census Bureau, 2022 NAICS definition for 313320, https://www.census.gov/naics/?details=313320&input=313320&year=2022
  4. Coated Fabrics and Film Association, https://www.coatedfabricsandfilm.com/
  5. U.S. EPA, "Fabric Coating, Printing, and Dyeing — Emission Inventory Assessment," final 2003, https://www.epa.gov/sites/default/files/2020-07/documents/fabric_eia_neshap_final_02-2003.pdf
  6. U.S. Census Bureau, 2022 Economic Census, EC2200BASIC for NAICS 313320 (firms 138; establishments 153; receipts $2.884B; CR4 24.7%; CR8 39.2%; CR50 88.7%; HHI 288.6), https://data.census.gov/table/ECNBASIC2022.EC2200BASIC?codeset=naics~313320&g=010XX00US
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  18. Mordor Intelligence, "Automotive Airbag Fabric Market" (coated fabrics ~73% of airbag-fabric market; silicone coating dominant; top players Asahi Kasei, Toyobo, Toray, Seiren, Highland Industries), 2024–2025, https://www.mordorintelligence.com/industry-reports/automotive-airbag-fabric-market
  19. Dataintelo, "Marine Fabrics Market Report" (Glen Raven / Sunbrella ~18.5% share; Herculite, Seaman), 2025, https://dataintelo.com/report/global-marine-fabrics-market; Seaman Corporation, https://www.seamancorp.com/company/
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  27. California Health and Safety Code §108971 (AB 1817 — PFAS prohibition in textile articles effective January 1, 2025), https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=HSC§ionNum=108971
  28. Bluesign, "PFAS in Clothing: 2026 Bans, Health Risks, and Safer Alternatives" (California AB 1817; multi-state and EU phase-outs), 2025–2026, https://www.bluesign.com/pfas-in-clothing
  29. U.S. OSHA, Frequently Cited Standards for NAICS 3133 (October 2024–September 2025: 21 citations across 10 inspections), https://www.osha.gov/ords/imis/citedstandard.naics?p_esize=&p_naics=3133&p_state=FEFederal
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