SIC 8731 — Commercial Physical and Biological Research
Description & Classification
SIC code 8731 representing 'Commercial Physical and Biological Research' is an industry category in the Standard Industrial Classification (SIC) system under U.S. OSHA and Federal procurement registers.
Modern NAICS Crosswalk
Trace the modern equivalent classifications in the 2022 North American Industry Classification System (NAICS) database:
- NAICS 541714 - Research and Development in Biotechnology (except Nanobiotechnology) (via SIC1987:8731→NAICS1997:54171→2002:541710→2007:541711→2012:541711→2017:541714→2022:541714)
- NAICS 541713 - Research and Development in Nanotechnology (via SIC1987:8731→NAICS1997:54171→2002:541710→2007:541711→2012:541711→2017:541713→2022:541713)
- NAICS 541715 - Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) (via SIC1987:8731→NAICS1997:54171→2002:541710→2007:541712→2012:541712→2017:541715→2022:541715)
Classification Details
| SIC Code | 8731 |
|---|---|
| Industry Title | Commercial Physical and Biological Research |
| Division | Division I: Services |
| Major Group | Major Group 87: Engineering, Accounting, Research, Management, and Related Services |
| Source / Verified | US Census 1987 SIC Concordance / 2026-06-28 |
Related Resources & Compliance Guides
Further regulatory reference links for legacy SIC code 8731:
- SIC Codes Complete Compliance Guide — Detailed history and active legal applications of the SIC classification framework.
- Why Legacy SIC Codes Persist Guide — How credit systems and the SEC still rely on SIC metadata.
- SIC ↔ NAICS Crosswalk Tool — Trace industrial code conversions dynamically.
- SIC Major Group 87 Hub — View other legacy industries in this business division.
Related Industries in Major Group 87
Frequently Asked Questions (FAQ)
What industry does SIC code 8731 represent?
SIC 8731 is 'Commercial Physical and Biological Research', a 4-digit Standard Industrial Classification (SIC) code under Major Group 87: Engineering, Accounting, Research, Management, and Related Services (Division I: Services); it maps to modern 2022 NAICS code(s): 541714 (Research and Development in Biotechnology (except Nanobiotechnology)), 541713 (Research and Development in Nanotechnology).
What is the modern 2022 NAICS mapping for SIC 8731?
SIC code 8731 maps to modern NAICS codes: 541714 - Research and Development in Biotechnology (except Nanobiotechnology), 541713 - Research and Development in Nanotechnology, 541715 - Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology).