# NAICS 541: Professional, Scientific, and Technical Services

No SBA size standard is recorded for NAICS 541.

| Field | Value |
| --- | --- |
| Code | 541 |
| Title | Professional, Scientific, and Technical Services |
| Level | 3 |
| Parent | 54 |
| Size standard | - |
| Footnote | - |

## Description

Industries in the Professional, Scientific, and Technical Services subsector group establishments engaged in processes where human capital is the major input. These establishments make available the knowledge and skills of their employees, often on an assignment basis, where an individual or team is responsible for the delivery of services to the client. The individual industries of this subsector are defined on the basis of the particular expertise and training of the services provider.

## Sources

- Census NAICS: https://www.census.gov/naics/
- SBA size standards: https://www.sba.gov/document/support-table-size-standards

## API and MCP

- REST: GET https://samgovapi.io/api/v1/naics/541/size-standard?revenue_usd=...
- MCP tools: naics_lookup, size_standard_check

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