333517 — Machine Tool Manufacturing
Description
This U.S. industry comprises establishments primarily engaged in (1) manufacturing metal cutting machine tools (except handtools) and/or (2) manufacturing metal forming machine tools (except handtools), such as punching, sheering, bending, forming, pressing, forging and die-casting machines.
Illustrative Examples
- Bending and forming machines, metalworking, manufacturing
- Buffing and polishing machines, metalworking, manufacturing
- Drilling machines, metalworking, manufacturing
- Grinding machines, metalworking, manufacturing
- Home workshop metal cutting machine tools (except handtools, welding equipment) manufacturing
- Metalworking lathes manufacturing
- Milling machines, metalworking, manufacturing
- Stamping machines, metalworking, manufacturing
Exclusions & Cross-References
- Manufacturing welding and soldering equipment--are classified in U.S. Industry 333992, Welding and
- Soldering Equipment Manufacturing;
- Manufacturing power-driven handtools--are classified in U.S. Industry 333991, Power-Driven Handtool
- Manufacturing;
- Manufacturing rolling mill machinery and equipment--are classified in U.S. Industry 333519, Rolling Mill
- and Other Metalworking Machinery Manufacturing; and
- Manufacturing accessories and attachments for metal cutting and forming machine tools (except saw
- blades)--are classified in U.S. Industry 333515, Cutting Tool and Machine Tool Accessory Manufacturing.
Overview Facts
| NAICS Code | 333517 |
|---|---|
| Industry Title | Machine Tool Manufacturing |
| SBA Size Standard | 500 employees |
| U.S. Establishments | 1,195 (Census CBP, 2023) |
| IRS PBA Code | 333510 (rolled-up match) |
| Sectors Hierarchy | Sector 31-33 → 333 → 3335 |
| Source / Verified | US Census 2022 NAICS Manual, Census CBP / 2026-06-28 |
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 3541 - Machine Tools, Metal Cutting Types (via SIC1987:3541→NAICS1997:333512→2002:333512→2007:333512→2012:333517→2017:333517→2022:333517)
- SIC 3542 - Machine Tools, Metal Forming Type (via SIC1987:3542→NAICS1997:333513→2002:333513→2007:333513→2012:333517→2017:333517→2022:333517)
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 3412 — Broaching Machines
- PSC 3413 — Drilling and Tapping Machines
- PSC 3414 — Gear Cutting and Finishing Machines
- PSC 3415 — Grinding Machines
- PSC 3416 — Lathes
- PSC 3417 — Milling Machines
- PSC 3419 — Miscellaneous Machine Tools
- PSC 3441 — Bending and Forming Machines
- PSC 3442 — Hydraulic and Pneumatic Presses, Power Driven
- PSC 3444 — Manual Presses
- PSC 3445 — Punching and Shearing Machines
- PSC 3446 — Forging Machinery and Hammers
- PSC 3448 — Riveting Machines
- PSC 3449 — Miscellaneous Secondary Metal Forming and Cutting Machines
- PSC 3455 — Cutting Tools for Machine Tools
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 333517:
- 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.
- 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.
Related Industries in 3335
Frequently Asked Questions (FAQ)
Is 333517 a valid 2022 NAICS code?
NAICS 333517 is 'Machine Tool Manufacturing', a 2022 U.S. national industry under Sector 31-33 (Manufacturing); the SBA small-business size standard is 500 employees.
What is the SBA size standard for NAICS 333517?
The SBA small business size standard for NAICS 333517 is 500 employees (based on employees).
What is the legacy SIC code mapping for 333517?
NAICS code 333517 maps to the legacy 1987 SIC codes: 3541 - Machine Tools, Metal Cutting Types, 3542 - Machine Tools, Metal Forming Type.