SIC 8042 — Offices and Clinics of Optometrists
SIC 8042 is 'Offices and Clinics of Optometrists', a 4-digit Standard Industrial Classification (SIC) code under Major Group 80: Health Services (Division I: Services); it maps to modern 2022 NAICS code(s): 621320 (Offices of Optometrists).
Description & Classification
SIC code 8042 representing 'Offices and Clinics of Optometrists' 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 621320 - Offices of Optometrists (via SIC1987:8042→NAICS1997:62132→2002:621320→2007:621320→2012:621320→2017:621320→2022:621320)
Classification Details
| SIC Code | 8042 |
|---|---|
| Industry Title | Offices and Clinics of Optometrists |
| Division | Division I: Services |
| Major Group | Major Group 80: Health Services |
| Source / Verified | US Census 1987 SIC Concordance / 2026-06-28 |
Related Resources & Compliance Guides
Further regulatory reference links for legacy SIC code 8042:
- 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 80 Hub — View other legacy industries in this business division.
Related Industries in Major Group 80
8011 - Offices and Clinics of Doctors of Medici...8021 - Offices and Clinics of Dentists...8031 - Offices and Clinics of Doctors of Osteop...8041 - Offices and Clinics of Chiropractors...8043 - Offices and Clinics of Podiatrists...8049 - Offices and Clinics of Health Practition...8051 - Skilled Nursing Care Facilities...8052 - Intermediate Care Facilities...
Frequently Asked Questions (FAQ)
What industry does SIC code 8042 represent?
SIC 8042 is 'Offices and Clinics of Optometrists', a 4-digit Standard Industrial Classification (SIC) code under Major Group 80: Health Services (Division I: Services); it maps to modern 2022 NAICS code(s): 621320 (Offices of Optometrists).
What is the modern 2022 NAICS mapping for SIC 8042?
SIC code 8042 maps to modern NAICS codes: 621320 - Offices of Optometrists.