NAICS 326121 Quarterly Industry Report
Unsupported Plastics Profile Shapes Manufacturing
Comprehensive industry research for valuation professionals, business owners, buyers, and lenders
NAICS Code: 326121Sector: 32Updated: Q1 2026
About This Report
This Fair Market Value industry report for NAICS 326121 provides business owners, acquirers, and financial advisors with data-driven valuation insights for the unlaminated plastics profile shape sector, drawing on data from the U.S. Census Bureau[4] and the Bureau of Labor Statistics[5]. The report aggregates transaction multiples, financial benchmarks, and market trends specific to NAICS 326121 establishments, supporting buy-sell agreements, succession planning, SBA-financed acquisitions, and litigation support engagements.
Industry Snapshot
Key metrics for the unsupported plastics profile shapes manufacturing industry.
Industry Definition & Overview
Unlaminated Plastics Profile Shape Manufacturing (NAICS 326121) encompasses establishments primarily engaged in converting plastics resins into nonrigid plastics profile shapes, such as rod, tube, sausage casings, and custom extruded profiles. These operations exclude film, sheet, bags, pipes, and pipe fittings, which fall under separate classifications. According to the U.S. Census Bureau[4], this industry serves diverse end markets including construction trim and molding, window and door components, electrical wire covering, medical tubing, and food processing casings.
Production methods center on profile extrusion, where thermoplastic resins are heated, forced through custom-shaped dies, cooled, and cut to length. Common materials include PVC for construction profiles, polyethylene for tubing, polypropylene for industrial shapes, and specialty compounds for medical-grade tubing. The Bureau of Labor Statistics[5] tracks roles including extruder operators controlling temperature, pressure, and line speed; die designers creating custom profile tooling; quality inspectors verifying dimensional tolerances and surface finish; and maintenance technicians supporting continuous extrusion operations.
Per the SBA Office of Advocacy[6], custom profile extruders often serve niche applications where proprietary die designs and material expertise create customer switching costs. Construction sector demand drives volumes for PVC trim, window lineals, and decking profiles, while medical device manufacturers require validated tubing production meeting FDA and ISO quality system requirements.
What's Included in This Industry
- Valuation multiples benchmarked to plastics profile extrusion operations
- Revenue and EBITDA trends for domestic custom profile manufacturing
- SBA lending data and financing terms for NAICS 326121 businesses
- Comparable transaction data from recent plastics profile company acquisitions
- Industry risk factors including resin pricing, construction cycles, and tooling investment
- Workforce composition and labor cost benchmarks for extrusion operations
- Regional market analysis covering major plastics profile manufacturing clusters
- Capital expenditure benchmarks for extrusion lines, dies, and downstream equipment
- End-market diversification analysis across construction, medical, and industrial segments
- Owner compensation and discretionary earnings benchmarks
NAICS Classification Hierarchy
| Level | Description | Code |
|---|---|---|
| Subsector | Plastics and Rubber Products Manufacturing | 326 |
| Industry Group | Plastics Product Manufacturing | 3261 |
| NAICS Industry | Plastics Pipe, Pipe Fitting, and Unlaminated Profile Shape Manufacturing | 32612 |
| National Industry | Unlaminated Plastics Profile Shape Manufacturing | 326121 |
Related NAICS Codes
| Code | Description | Relationship |
|---|---|---|
| 326122 | Plastics Pipe and Pipe Fitting Manufacturing | Plastics pipe and pipe fitting manufacturers sharing extrusion technology but classified separately due to their focus on rigid pipe products rather than profile shapes |
| 326130 | Laminated Plastics Plate, Sheet (except Packaging), and Shape Manufacturing | Laminated plastics plate, sheet, and shape producers distinguished from unlaminated profile extruders by their multi-layer lamination bonding manufacturing process |
| 326199 | All Other Plastics Product Manufacturing | All other plastics product manufacturers producing miscellaneous plastics products through injection molding, thermoforming, and other processes distinct from profile extrusion |
| 325211 | Plastics Material and Resin Manufacturing | Plastics material and resin producers manufacturing PVC, polyethylene, and polypropylene base resins consumed as primary feedstock in profile extrusion operations |
| 326220 | Rubber and Plastics Hoses and Belting Manufacturing | Rubber and plastics hose and belting manufacturers classified separately when producing flexible hose products rather than rigid or semi-rigid extruded profile shapes |
| 326113 | Unlaminated Plastics Film and Sheet (except Packaging) Manufacturing | Unlaminated plastics film and sheet manufacturers sharing extrusion technology but producing flat film products rather than three-dimensional profile shapes and tubes |
Geographic Concentration
Top states by share of national establishments.
| # | State | % Est. | Total Est. |
|---|---|---|---|
| 1 | California | 11.6% | 38 |
| 2 | Ohio | 10.3% | 34 |
| 3 | Pennsylvania | 7.0% | 23 |
| 4 | Illinois | 6.4% | 21 |
| 5 | Wisconsin | 5.8% | 19 |
| 6 | Michigan | 5.2% | 17 |
| 7 | Texas | 4.6% | 15 |
| 8 | North Carolina | 4.6% | 15 |
| 9 | Georgia | 3.6% | 12 |
| 10 | Indiana | 3.3% | 11 |
% Of Establishments
0%
12%
Source: County Business Patterns, U.S. Census Bureau[3]
Frequently Asked Questions
Common questions about this industry.
What types of businesses are classified under NAICS 326121?
NAICS 326121 covers manufacturers converting plastics resins into nonrigid profile shapes including rod, tube, sausage casings, window lineals, trim profiles, and custom extruded shapes. Per the U.S. Census Bureau[10], the classification specifically excludes film, sheet, bags, pipes, and pipe fittings, which have their own separate industry codes.
How is the plastics profile shape industry structured?
The industry divides into high-volume commodity extruders producing standard PVC construction profiles and specialty custom extruders serving medical, food processing, and industrial niche markets. Commodity operations compete on throughput, resin efficiency, and distribution coverage. Custom extruders differentiate through proprietary die design, material formulation expertise, and quality certifications required for regulated applications like medical tubing.
What is the SBA size standard for NAICS 326121?
The SBA classifies an unlaminated plastics profile shape manufacturer as a small business if it employs fewer than 500 workers, measured as the 24-month average of full-time and part-time employees. Per the SBA size standards table[7], this threshold applies for SBA loan eligibility and federal contracting small business set-asides.
What NAICS codes are most closely related to 326121?
Code 326122 is the closest related classification, covering plastics pipe and fitting production using similar extrusion technology. Code 326130 addresses laminated plastics shapes. Regional 326220 covers plastics hose manufacturing. Code 326199 captures other plastics products made through different manufacturing processes. Per the Census Bureau[10], the profile shape versus pipe distinction is the primary boundary between 326121 and 326122.
What industries interact most with plastics profile shape manufacturers?
Construction contractors consume PVC trim, window lineals, and architectural profiles. Medical device companies specify validated tubing for catheters, IV lines, and fluid handling. Food processors use plastics casings and tubing. Per the Bureau of Labor Statistics[5], construction sector employment cycles directly influence demand for building-related profile extrusions.
What specific activities fall under NAICS 326121?
Covered activities include profile extrusion of PVC, polyethylene, and polypropylene shapes; custom die design and fabrication; coextrusion of multi-material profiles; medical tubing extrusion meeting FDA requirements; sausage casing production; and cutting, punching, and finishing of extruded profiles to customer dimensional specifications.
Are plastics profile shape manufacturers eligible for SBA loans?
Yes, profile extrusion businesses with fewer than 500 employees qualify for SBA financing. The SBA 7(a) program[8] covers acquisitions and working capital, while the CDC/504 program[9] finances extrusion lines, custom tooling, and downstream cutting and packaging equipment with long-term fixed-rate terms.
Where are plastics profile shape operations concentrated in the U.S.?
Profile extrusion clusters near construction markets and resin supply sources. The Midwest, Southeast, and Texas host concentrations of PVC profile extruders serving residential and commercial construction. California and the Northeast support custom extruders serving medical device and specialty industrial markets. According to the Census Bureau[11], states with active construction sectors generally support more profile extrusion establishments.
Sources & References
Government datasets and editorial sources used in this report.
- [1]U.S. Bureau of Labor Statistics, Quarterly Census of Employment and Wages bls.gov
- [2]U.S. Census Bureau, Economic Census census.gov
- [3]U.S. Census Bureau, County Business Patterns census.gov
- [4]U.S. Census Bureau census.gov
- [5]Bureau of Labor Statistics bls.gov
- [6]SBA Office of Advocacy advocacy.sba.gov
- [7]SBA size standards sba.gov
- [8]SBA 7(a) loan program sba.gov
- [9]CDC/504 loan program sba.gov
- [10]U.S. Census Bureau census.gov
- [11]Census Bureau data.census.gov
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