Registry · SIC Index

Major Group 32: Stone, Clay, Glass, and Concrete Products (OSHA SIC Manual)

Reference listings for legacy four-digit industries classified under Major Group 32: Stone, Clay, Glass, and Concrete Products (Division D: Manufacturing) in the official public-domain OSHA SIC Manual. Select a code below for modern NAICS equivalents.

Legacy Industries under Major Group 32

Code Industry Title Division
3211 Flat Glass Division D: Manufacturing
3221 Glass Containers Division D: Manufacturing
3229 Pressed and Blown Glass and Glassware, NEC Division D: Manufacturing
3231 Glass Products Made of Purchased Glass Division D: Manufacturing
3241 Cement, Hydraulic Division D: Manufacturing
3251 Brick and Structural Clay Tile Division D: Manufacturing
3253 Ceramic Wall and Floor Tile Division D: Manufacturing
3255 Clay Refractories Division D: Manufacturing
3259 Structural Clay Products, NEC Division D: Manufacturing
3261 Vitreous China Plumbing Fixtures and China and Earthenware Fittings and Bathroom Accessories Division D: Manufacturing

💡 Sector Guidance

OSHA safety rules: Workplace safety inspections and recordkeeping log exemptions are often target-filtered using legacy Major Group 32 (Major Group 32: Stone, Clay, Glass, and Concrete Products) classifications. If your facility performs mixed activities, identify the primary group representing the largest labor share to determine log requirements.

Legacy Industries in this Major Group (26)

3211 Flat Glass
3221 Glass Containers
3229 Pressed and Blown Glass and Glassware, NEC
3231 Glass Products Made of Purchased Glass
3241 Cement, Hydraulic
3251 Brick and Structural Clay Tile
3253 Ceramic Wall and Floor Tile
3255 Clay Refractories
3259 Structural Clay Products, NEC
3261 Vitreous China Plumbing Fixtures and China and Earthenware Fittings and Bathroom Accessories
3262 Vitreous China Table and Kitchen Articles
3263 Fine Earthenware
3264 Porcelain Electrical Supplies
3269 Pottery Products, NEC
3271 Concrete Block and Brick
3272 Concrete Products, Except Block and Brick
3273 Ready-Mixed Concrete
3274 Lime
3275 Gypsum Products
3281 Cut Stone and Stone Products
3291 Abrasive Products
3292 Asbestos Products
3295 Minerals and Earths, Ground or Otherwise Treated
3296 Mineral Wool
3297 Nonclay Refractories
3299 Nonmetallic Mineral Products, NEC

Frequently Asked Questions

What is the OSHA SIC Manual for Major Group 32? ▾

SIC Major Group 32 represents 'Major Group 32: Stone, Clay, Glass, and Concrete Products' under the official public-domain OSHA SIC Manual (1987 Standard Industrial Classification). It classifies business activities based on product outputs.

How many legacy industries belong to Major Group 32? ▾

There are 26 individual 4-digit SIC industries listed under Major Group 32 in our directory, matching the final 1987 OSHA SIC manual.

Is SIC still used by OSHA and regulatory agencies? ▾

Yes. OSHA safety recordkeeping regulations (29 CFR Part 1904) reference legacy SIC Major Group 32 codes to determine workplace safety log exemptions. Credit agencies (Dun & Bradstreet) and SEC EDGAR public filings also maintain active SIC records.

What is the modern 2022 NAICS equivalent for Major Group 32? ▾

The legacy classifications under Major Group 32 map to various modern 2022 NAICS industries. You can check individual four-digit code pages for exact concordance links.

What is the difference between Major Group 32 and a NAICS sector? ▾

Major Group 32 is a legacy 2-digit SIC category grouping by product output (what businesses sell), whereas modern NAICS sectors group establishments based on production processes (how businesses work).

Does the SEC EDGAR search support filtering by Major Group 32? ▾

Yes, financial researchers can query the SEC EDGAR database using the Major Group 32 classification to locate all reporting public companies operating in this economic segment.

Are the classifications in Major Group 32 uniform nationwide? ▾

Yes, Major Group 32 is part of the 1987 federal SIC standard and remains uniform nationwide for administrative and historical consistency.

How do I select the primary SIC code under Major Group 32? ▾

When classifying an establishment under Major Group 32 (Major Group 32: Stone, Clay, Glass, and Concrete Products), identify the 4-digit industry representing the largest share of operating labor hours or gross revenue for OSHA and SEC EDGAR filing compliance.

Sources & References

  1. U.S. Occupational Safety and Health Administration (OSHA): Standard Industrial Classification (SIC) Manual
  2. U.S. Census Bureau: North American Industry Classification System (NAICS) Manual
  3. U.S. Securities and Exchange Commission (SEC): SEC EDGAR Filer Standard Industrial Classification Codes
  4. U.S. Small Business Administration (SBA): Table of Small Business Size Standards
  5. Electronic Code of Federal Regulations (eCFR): 13 CFR Part 121 - Small Business Size Regulations
  6. U.S. General Services Administration (GSA): System for Award Management (SAM.gov) Unique Entity ID Guide
  7. Defense Logistics Agency: Defense Logistics Agency (DLA) CAGE Search and Registration
  8. United Nations Statistics Division: International Standard Industrial Classification of All Economic Activities (ISIC)
  9. Internal Revenue Service (IRS): Instructions for Schedule C (Form 1040) Principal Business Activity (PBA) Codes
  10. Acquisition.gov: Federal Acquisition Regulation (FAR) Part 19 - Small Business Programs