NAICS 2022 nationalIndustry USA Verified: Census NAICS 2022 · 2026-01-01
325991
NAICS 325991 — Custom Compounding of Purchased Resins
Custom Compounding of Purchased Resins
NAICS 325991 is the national industry code for custom compounding of purchased resins establishments in the United States. The Small Business Administration sets a size standard of 600 for this classification. It forms part of the hierarchical North American Industry Classification System maintained by the Census Bureau.
SBA: 600
View full SBA standard
Related industries in 32599 (All Other Chemical Product and Preparation Manufacturing)
View parent 32599Exclusions & Cross-References
Activities classified under other official NAICS codes:
- manufacturing synthetic resins from basic organic chemicals (See 325210 Resin and synthetic rubber manufacturing (CAN))
Official Illustrative Examples
Primary activities officially recognized by Census Bureau / Statistics Canada:
custom compounding (i.e., blending and mixing) of purchased plastics resins
Complete Index of Activities (3 recognized activities) ▼
compounding plastics resins from recycled materials
custom compounding (i.e., blending and mixing) of purchased plastics resins
reformulating plastics resins from recycled plastics products
Official data
| Feature | Description |
|---|---|
| Official name | North American Industry Classification System (NAICS) 2022 |
| Issuing authority | U.S. Census Bureau with OMB, Statistics Canada, and INEGI |
| Tax authority | Internal Revenue Service (IRS) |
| Purpose | Statistical business classification and federal contracting (SAM.gov, SBA standards) |
| Used in | SAM.gov registration, SBA size determinations, IRS tax classification, SEC EDGAR (via SIC crosswalk) |
| Active since | 2022 (current edition) |
| Hierarchy level | Sector (2-digit) |
| Source | https://www.census.gov/naics/ |
NAICS hierarchy path
Trace the classification from the broadest sector down to this national industry code.
Cross-references & crosswalks
SBA size standard description
Custom Compounding of Purchased Resins
Changes to receipts-based standard: [object Object]