SIC Industry Group 321 - Flat Glass
Official 3-digit SIC industry group · OSHA SIC ManualSICCODE.com / SIC Lookup / D Manufacturing / 32 Stone, Clay, Glass, and Concrete Products / SIC 321
… / 32 Stone, Clay, Glass, and Concrete Products / SIC 321
At a glance
At a glance
Companies
Contains
1 four-digit SIC industry View child industries ↓
About SIC Industry Group 321
SIC 321 groups related industries in Flat Glass. These activities are organized into 1 more specific 4-digit SIC industry.
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Select the industry that best describes the business's primary activity.
Companies in SIC 321 — Flat Glass
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Example companies in this industry
- Cardinal FG Co Portage, WI
- Owens Illinois Glass Container Inc Streator, IL
- Action Glass Co. Inc Ridgewood, NY
What's included in a business list? See available data fields, including contacts, classifications, firmographics and more.
A delivered list can include company, address, phone, website, NAICS and SIC, employee size, sales, location type, contacts and titles, and Record Grade. Field availability varies by record and country. Canadian deliveries do not include business email addresses.
How are these company counts verified? Learn about our data sources, verification process and classification methodology.
SICCODE.com industry counts reflect verified business locations available for purchase. Headquarters and branches are counted separately, with each location classified by its primary NAICS and SIC industry. Duplicate locations are consolidated, and records that do not meet our verification standards are excluded. Counts represent available commercial business records, not all businesses operating in an industry.
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These are commercial business-location counts. They are not government census totals.
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Key facts for SIC 321 industry group
- Classification level
- 3-digit industry group (OSHA SIC Manual)
- Industry group
- 321 · Flat Glass
- Division
- D Manufacturing (20–39)
- Major group
- 32 Stone, Clay, Glass, and Concrete Products
- Four-digit industries
- 1 4-digit industries
- Official source
- OSHA SIC Manual
SIC Classification Hierarchy
Four official SIC levels, plus a more detailed commercial classification level.
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Industry Group · Official 3-Digit 321 Flat Glass
One example classification path is shown. Other branches may exist. The 6-digit Marketing Level is a commercial extension, not an official SIC classification.
Other industry groups
32 Stone, Clay, Glass, and Concrete Products
How we classify companies in SIC 321
See how SICCODE.com evaluates individual businesses using documented activities and official SIC definitions. These examples demonstrate our classification approach.
182 verified U.S. business locations
- More Than Lemons Holton, KS
- Virginia Glass Products Corp Ridgeway, VA
- True Lite Glass And Aluminum San Antonio, TX
- US Prestige Group, Ltd Flushing, NY
- Njpb Glass West Creek, NJ
- Exquisite Glass Stone Inc Astoria, NY
- Legrart Co Brooklyn, NY
- Pacific Flame Glass Work Emeryville, CA
Multi-location companies will have additional locations in the full database.
Crosswalk for SIC 321 - Flat Glass
These mappings do not replace the official SIC definition.
Sources for SIC 321
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Official classification source U.S. Occupational Safety and Health Administration.
Standard Industrial Classification Manual, SIC 321. OSHA SIC Manual → -
SICCODE.com commercial data Company-record counts, coverage, and related commercial data are maintained by SICCODE.com. Methodology →
SICCODE.com is an independent publisher. Official SIC titles and definitions come from the OSHA SIC Manual; commercial database counts are SICCODE.com records.
Citations & Academic Recognition · 50+ documented references
About this classification
This page combines the official SIC definition with classification analysis, crosswalks, and SICCODE.com commercial data. Classifications are reviewed regularly by the Industry Classification Review Team.