333922 — Conveyor and Conveying Equipment Manufacturing
Description
This U.S. industry comprises establishments primarily engaged in manufacturing conveyors and conveying equipment, such as gravity conveyors, trolley conveyors, tow conveyors, pneumatic tube conveyors, carousel conveyors, farm conveyors, and belt conveyors (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Exclusions & Cross-References
- Manufacturing passenger or freight elevators, dumbwaiters, and moving stairways--are classified in U.S.
- Industry 333921, Elevator and Moving Stairway Manufacturing; and
- Manufacturing overhead traveling cranes and monorail systems--are classified in U.S. Industry 333923,
- Overhead Traveling Crane, Hoist, and Monorail System Manufacturing.
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 3523 - Farm Machinery and Equipment (via SIC1987:3523→NAICS1997:333922→2002:333922→2007:333922→2012:333922→2017:333922→2022:333922)
- SIC 3535 - Conveyors and Conveying Equipment (via SIC1987:3535→NAICS1997:333922→2002:333922→2007:333922→2012:333922→2017:333922→2022:333922)
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 3910 — Conveyors
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 333922 valid in 2022? ▾
Yes, 333922 is a valid 6-digit 2022 NAICS national industry code representing 'Conveyor and Conveying Equipment Manufacturing' under Sector 31-33 in the official classification index.
What is the SBA size standard for NAICS code 333922? ▾
The Small Business Administration (SBA) has established a small business size standard of 500 employees for NAICS code 333922 (Conveyor and Conveying Equipment Manufacturing), calculated based on employees.
What is the legacy SIC equivalent for NAICS 333922? ▾
According to official Census Bureau concordance tables, NAICS code 333922 (Conveyor and Conveying Equipment Manufacturing) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 3523 - Farm Machinery and Equipment, 3535 - Conveyors and Conveying Equipment.
Related Pages & Tools
Further regulatory reference links for NAICS code 333922:
- 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 333922 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Conveyor and Conveying Equipment 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.