SICCODE.comSIC LookupD Manufacturing28 Chemicals and Allied Products282 Plastics Materials and Synthetic Resins, Synthetic RubberSIC 2821
SIC Code 2821 – Plastics Materials, Synthetic Resins, and Nonvulcanizable Elastomers
Official 4-digit SIC code Source: OSHA SIC Manual Updated Nov 6, 2026
At a glance
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Related NAICS
Which businesses belong in SIC 2821?
Usually classified in SIC 2821
- Acetal resins
- Acetate cellulose (plastics)
- Acrylic resins
- Acrylonitrile-butadiene-styrene resins
- Alcohol resins, polyvinyl
Usually classified elsewhere
- Miscellaneous Plastics Products 308 · Miscellaneous Plastics Products
- Custom Compounding of Purchased Plastics Resins 3087 · Custom Compounding of Purchased Plastics Resins
- Adhesives and Sealants 2891 · Adhesives and Sealants
Official definition for SIC 2821 - Plastics Materials, Synthetic Resins, and Nonvulcanizable Elastomers
Establishments primarily engaged in manufacturing synthetic resins, plastics materials, and nonvulcanizable elastomers. Important products of this industry include: cellulose plastics materials; phenolic and other tar acid resins; urea and melamine resins; vinyl resins; styrene resins; alkyd resins; acrylic resins; polyethylene resins; polypropylene resins; rosin modified resins; coumarone-indene and petroleum polymer resins; miscellaneous resins, including polyamide resins, silicones, polyisobutylenes, polyesters, polycarbonate resins, acetal resins, and fluorohydrocarbon resins; and casein plastics.
Source: OSHA SIC Manual
Companies in SIC 2821 - Plastics Materials, Synthetic Resins, and Nonvulcanizable Elastomers
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Preview · details masked| Company | Contact & title | Website | Phone | Employees |
|---|---|---|---|---|
| Kraton Polymers Us, LLC Houston, TX | ||||
| Cabot Corp Boston, MA | ||||
| Bamberger Polymers Inc Jericho, NY |
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Kraton Polymers Us, LLC · Houston, TX
Contact Website Phone Employees -
Cabot Corp · Boston, MA
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Key facts for SIC 2821 - Plastics Materials, Synthetic Resins, and Nonvulcanizable Elastomers
- SIC code
- 2821
- Official title
- Plastics Materials, Synthetic Resins, and Nonvulcanizable Elastomers
- Scope
- OSHA SIC Manual, establishment-level
- Division
- D Manufacturing (20–39)
- Major group
- 28 Chemicals and Allied Products
- Official source
- OSHA SIC Manual
- Where SIC is used
- Used on EPA permit forms and in OSHA inspection data, as well as SEC filings and business lists. See which agencies still use SIC codes →
SIC Classification Hierarchy
Four official SIC levels, plus a more detailed commercial classification level.
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Industry · Official 4-Digit 2821 Plastics Materials, Synthetic Resins, and Nonvulcanizable Elastomers
One example classification path is shown. Other branches may exist. The 6-digit Marketing Level is a commercial extension, not an official SIC classification.
Other codes in Industry Group 282: 2822 · Synthetic Rubber (Vulcanizable Elastomers) 2823 · Cellulosic Manmade Fibers 2824 · Manmade Organic Fibers, except Cellulosic
More specific segments in SIC 2821
Segments let you target only the companies you need. Add one or more to your list to get pricing and a free sample.
680 U.S. companies across 7 segments · Segment codes are 6-digit marketing categories that extend the official 4-digit SIC code. They are not official SIC codes.
SIC 2821 is in your list, which already includes all 7 segments.
| Code | Segment | Companies | Build your list |
|---|---|---|---|
| 2821-01 | Plastics-Raw Mtrls/Powder/Resin | 364 364 companies | |
| 2821-02 | Fiber Glass Products | 38 38 companies | |
| 2821-03 | Plastics | 150 150 companies | |
| 2821-04 | Polyurethane Products | 34 34 companies | |
| 2821-05 | Resins | 35 35 companies | |
| 2821-07 | Acrylic | 23 23 companies | |
| 2821-08 | Epoxy-Compounds | 36 36 companies |
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Example companies in SIC 2821
See how SICCODE.com evaluates businesses using documented activities and official SIC definitions. Select a company to review its classification and the reasoning behind it.
654 verified U.S. companies
- Ferro Corp Cleveland, OH View classification →
- Mesa Industries Inc Phoenix, AZ View classification →
- Nan Ya Plastics Corp Livingston, NJ View classification →
- Enecon Corp Medford, NY View classification →
- Sumitomo Bakelite North America Inc / Durez Corp Novi, MI View classification →
- Audia Group, LLC Washington, PA View classification →
- Mississippi Polymers Inc Germantown, TN View classification →
- Sealed Air Corp Duncan, SC View classification →
NAICS and ISIC crosswalk for SIC 2821 - Plastics Materials, Synthetic Resins, and Nonvulcanizable Elastomers
Correspondences in NAICS and ISIC for SIC 2821 - Plastics Materials, Synthetic Resins, and Nonvulcanizable Elastomers. These mappings do not replace the official SIC definition.
| System | Code | Title |
|---|---|---|
| SIC This page | 2821 | Plastics Materials, Synthetic Resins, and Nonvulcanizable Elastomers |
| NAICS | 325211 | Plastics Material and Resin Manufacturing Plastics Material and Resin Manufacturing |
| ISIC Rev. 4 | 2013 | Manufacture Of Plastics And Synthetic Rubber In Primary Forms Manufacture Of Plastics And Synthetic Rubber In Primary Forms |
Sources for SIC 2821
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Official classification source U.S. Occupational Safety and Health Administration.
Standard Industrial Classification Manual (1987), SIC 2821. OSHA SIC Manual → -
SICCODE.com commercial data Company-record counts, coverage, and related commercial data are maintained by SICCODE.com. Methodology →
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About this classification
This page combines the official SIC definition with classification analysis, crosswalks, and SICCODE.com commercial data. Classifications are reviewed regularly by the SICCODE.com Industry Classification Team.