1ST Class Manufacturing LLC

Company facts

Self-certified in SAM.gov

• For Profit Organization
• Limited Liability Company
• Service Disabled Veteran Owned Business
• Minority Owned Business
• Black American Owned
• Veteran Owned Business
• Self Certified Small Disadvantaged Business

Entity structure

Sole Proprietorship

Other NAICS codes in SAM.gov

• 237110 Water and Sewer Line and Related Structures Construction
• 237120 Oil and Gas Pipeline and Related Structures Construction
• 237990 Other Heavy and Civil Engineering Construction
• 238910 Site Preparation Contractors
• 238990 All Other Specialty Trade Contractors
• 424820 Wine and Distilled Alcoholic Beverage Merchant Wholesalers
• 541330 Engineering Services
• 561612 Security Guards and Patrol Services

Show all 29

• 561621 Security Systems Services (except Locksmiths)
• 561622 Locksmiths
• 561720 Janitorial Services
• 561920 Convention and Trade Show Organizers
• 561990 All Other Support Services
• 562111 Solid Waste Collection
• 562112 Hazardous Waste Collection
• 562211 Hazardous Waste Treatment and Disposal
• 562212 Solid Waste Landfill
• 562213 Solid Waste Combustors and Incinerators
• 562219 Other Nonhazardous Waste Treatment and Disposal
• 562910 Remediation Services
• 562991 Septic Tank and Related Services
• 611430 Professional and Management Development Training
• 621210 Offices of Dentists
• 621320 Offices of Optometrists
• 621330 Offices of Mental Health Practitioners (except Physicians)
• 621410 Family Planning Centers
• 711310 Promoters of Performing Arts, Sports, and Similar Events with Facilities
• 711320 Promoters of Performing Arts, Sports, and Similar Events without Facilities
• 722410 Drinking Places (Alcoholic Beverages)

SAM.gov registration date

May 5, 2021

Physical address

508 Alumrock Dr, Antioch, CA 94509, USA

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated Oct 1, 2026.