Convert 32721 from NAICS 2022 to 2017

Glass and Glass Product Manufacturing

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Frequently asked questions

What is NAICS 32721?

NAICS 32721 is the North American Industry Classification System code for Glass and Glass Product Manufacturing. It classifies this business activity for statistical, regulatory, and government procurement purposes. Federal agencies use NAICS codes to collect and publish data about the US economy, determine SBA size standards, and set aside contracts for small businesses.

What licenses and permits does a Glass and Glass Product Manufacturing need?

A Glass and Glass Product Manufacturing typically needs a local business license, a federal EIN from the IRS, and industry-specific permits depending on the sector. Check with your city or county clerk for a general business license, your state's professional or industry licensing board for any required occupational licenses, and your state's tax authority for a sales tax permit if you sell taxable goods or services.

How do I register a Glass and Glass Product Manufacturing business in the United States?

To register a Glass and Glass Product Manufacturing business, first choose your legal structure: sole proprietorship (simplest, uses SSN), LLC (personal liability protection, files with your Secretary of State), or corporation (Form 1120 or 1120-S). Register your business name (DBA) with your county if operating under a trade name. Obtain an EIN from the IRS at irs.gov/ein. Register with your state revenue department for any applicable taxes.

What tax forms does a Glass and Glass Product Manufacturing file with the IRS?

Tax forms depend on your entity type. A sole proprietor files Schedule C with Form 1040 and Schedule SE for self-employment tax (15.3%). An LLC taxed as a partnership files Form 1065 with Schedule K-1s. A C-Corporation files Form 1120 (21% flat rate). An S-Corporation files Form 1120-S. All businesses paying employees file Form 940 (FUTA) annually and Form 941 quarterly. Estimated tax payments are made via Form 1040-ES four times per year.

Is Glass and Glass Product Manufacturing the right NAICS code for my business?

Your NAICS code should reflect your primary business activity — the one generating the most revenue or value. If Glass and Glass Product Manufacturing describes your main line of business, NAICS 32721 is likely correct. If you have multiple distinct activities, you may need separate codes for statistical reporting. For federal contracting, your SAM.gov registration should use the code that best matches the work you perform. Review the official NAICS 32721 description and exclusions to confirm it fits your operations.

What UL or safety certifications does a Glass and Glass Product Manufacturing need for products?

UL (Underwriters Laboratories), ETL, CSA, or equivalent NRTL (Nationally Recognized Testing Laboratory) certification is not federally mandated by law for most products, but is effectively required because retailers will not stock unlisted electrical/electronic products, building codes require listed products, and liability insurers strongly prefer certified products. OSHA recognizes NRTLs that meet 29 CFR 1910.7. FCC certification is required for electronic devices that emit RF energy. FDA premarket approval is required for medical devices (Class II 510(k), Class III PMA).

What environmental permits does a Glass and Glass Product Manufacturing need?

Manufacturing operations typically need several environmental permits. Air quality: state operating permit or Title V permit if emitting above thresholds (Clean Air Act). Water: NPDES permit for process wastewater discharge (Clean Water Act). Hazardous waste: RCRA generator ID and manifest tracking for waste disposal. Stormwater: multi-sector general permit (MSGP) for industrial stormwater runoff. Tier II reporting for hazardous chemical storage above 10,000 lbs (EPCRA). All permits are through your state environmental agency or EPA regional office.

What OSHA requirements are unique to manufacturers for a Glass and Glass Product Manufacturing?

OSHA Process Safety Management (PSM) applies to facilities handling highly hazardous chemicals above threshold quantities (29 CFR 1910.119). Machine guarding (1910.212) is one of the most cited standards. Lockout/Tagout (1910.147) for hazardous energy control during maintenance. Hazard Communication Standard (1910.1200) requires SDS sheets, chemical labeling, and employee training. Respiratory protection program with medical evaluation and fit testing if respirators are required. Confined space permit program if entering tanks, pits, or vats. Noise monitoring and hearing conservation if levels exceed 85 dBA TWA.

Does a Glass and Glass Product Manufacturing need to register with the FDA as a manufacturing facility?

Yes, if you manufacture, process, pack, or hold FDA-regulated products (food, dietary supplements, cosmetics, medical devices, drugs, tobacco), you must register your facility with the FDA and renew biennially. Medical device manufacturers need establishment registration and device listing (21 CFR Part 807). Drug manufacturers and repackagers must register and list products via NDC codes. Cosmetic facility registration and product listing became mandatory under MoCRA (2022) with new requirements for adverse event reporting and GMP compliance.