# NAICS 54171: Research and Development in the Physical, Engineering, and Life Sciences

No SBA size standard is recorded for NAICS 54171.

| Field | Value |
| --- | --- |
| Code | 54171 |
| Title | Research and Development in the Physical, Engineering, and Life Sciences |
| Level | 5 |
| Parent | 5417 |
| Size standard | - |
| Footnote | - |

## Description

This industry comprises establishments primarily engaged in conducting research and experimental development in the physical, engineering, and life sciences, such as agriculture, electronics, environmental, biology, botany, biotechnology, computers, chemistry, food, fisheries, forests, geology, health, mathematics, medicine, nanotechnology, oceanography, pharmacy, physics, veterinary, and other allied subjects.

## 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/54171/size-standard?revenue_usd=...
- MCP tools: naics_lookup, size_standard_check

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