333511 — Industrial Mold Manufacturing
Description
This U.S. industry comprises establishments primarily engaged in manufacturing industrial molds for casting metals or forming other materials, such as plastics, glass, or rubber (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Exclusions & Cross-References
- Establishments primarily engaged in manufacturing casting molds for steel ingots are classified in U.S. Industry
- 331511, Iron Foundries.
Overview Facts
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 3544 - Special Dies and Tools, Die Sets, Jigs and Fixtures, and Industrial Molds (via SIC1987:3544→NAICS1997:333511→2002:333511→2007:333511→2012:333511→2017:333511→2022:333511)
Suggested Product Service Codes (Advisory)
The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.
- PSC 3422 — Rolling Mills and Drawing Machines
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 333511 valid in 2022? ▾
Yes, 333511 is a valid 6-digit 2022 NAICS national industry code representing 'Industrial Mold Manufacturing' under Sector 31-33 in the official classification index.
What is the SBA size standard for NAICS code 333511? ▾
The Small Business Administration (SBA) has established a small business size standard of 500 employees for NAICS code 333511 (Industrial Mold Manufacturing), calculated based on employees.
What is the legacy SIC equivalent for NAICS 333511? ▾
According to official Census Bureau concordance tables, NAICS code 333511 (Industrial Mold Manufacturing) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 3544 - Special Dies and Tools, Die Sets, Jigs and Fixtures, and Industrial Molds.
Related Pages & Tools
Further regulatory reference links for NAICS code 333511:
- Sector 31-33 Directory Hub — List of related industries in the Manufacturing sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- NAICS 333511 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Industrial Mold Manufacturing).
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.