# NAICS 54: Professional, Scientific, and Technical Services

No SBA size standard is recorded for NAICS 54.

| Field | Value |
| --- | --- |
| Code | 54 |
| Title | Professional, Scientific, and Technical Services |
| Level | 2 |
| Parent | - |
| Size standard | - |
| Footnote | - |

## Description

The Professional, Scientific, and Technical Services sector comprises establishments that specialize in performing professional, scientific, and technical activities for others. These activities require a high degree of expertise and training. The establishments in this sector specialize according to expertise and provide these services to clients in a variety of industries and, in some cases, to households. Activities performed include: legal advice and representation; accounting, bookkeeping, and payroll services; architectural, engineering, and specialized design services; computer services

## 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/54/size-standard?revenue_usd=...
- MCP tools: naics_lookup, size_standard_check

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