Diamond Manufacturing Company

Company facts

Self-certified in SAM.gov

• For Profit Organization
• Manufacturer of Goods

Entity structure

Corporate Entity (Not Tax Exempt)

NAICS codes registered in SAM.gov

• 332322 Sheet Metal Work Manufacturing Primary
• 332111 Iron and Steel Forging
• 332112 Nonferrous Forging
• 332114 Custom Roll Forming
• 332119 Metal Crown, Closure, and Other Metal Stamping (except Automotive)
• 332215 Metal Kitchen Cookware, Utensil, Cutlery, and Flatware (except Precious) Manufacturing
• 332311 Prefabricated Metal Building and Component Manufacturing
• 332312 Fabricated Structural Metal Manufacturing

Show all

• 332321 Metal Window and Door Manufacturing
• 332323 Ornamental and Architectural Metal Work Manufacturing
• 332410 Power Boiler and Heat Exchanger Manufacturing
• 332420 Metal Tank (Heavy Gauge) Manufacturing
• 332431 Metal Can Manufacturing
• 332439 Other Metal Container Manufacturing
• 332510 Hardware Manufacturing
• 332613 Spring Manufacturing
• 332618 Other Fabricated Wire Product Manufacturing
• 332710 Machine Shops
• 332722 Bolt, Nut, Screw, Rivet, and Washer Manufacturing
• 332811 Metal Heat Treating
• 332812 Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers
• 332813 Electroplating, Plating, Polishing, Anodizing, and Coloring
• 332911 Industrial Valve Manufacturing
• 332912 Fluid Power Valve and Hose Fitting Manufacturing
• 332913 Plumbing Fixture Fitting and Trim Manufacturing
• 332919 Other Metal Valve and Pipe Fitting Manufacturing
• 332991 Ball and Roller Bearing Manufacturing
• 332992 Small Arms Ammunition Manufacturing
• 332993 Ammunition (except Small Arms) Manufacturing
• 332994 Small Arms, Ordnance, and Ordnance Accessories Manufacturing
• 332996 Fabricated Pipe and Pipe Fitting Manufacturing
• 332999 All Other Miscellaneous Fabricated Metal Product Manufacturing
• 333111 Farm Machinery and Equipment Manufacturing
• 333112 Lawn and Garden Tractor and Home Lawn and Garden Equipment Manufacturing
• 333120 Construction Machinery Manufacturing
• 333131 Mining Machinery and Equipment Manufacturing
• 333132 Oil and Gas Field Machinery and Equipment Manufacturing
• 333241 Food Product Machinery Manufacturing
• 333242 Semiconductor Machinery Manufacturing
• 333243 Sawmill, Woodworking, and Paper Machinery Manufacturing
• 333413 Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing
• 333414 Heating Equipment (except Warm Air Furnaces) Manufacturing
• 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing

Corporate family

• Reliance Steel & Aluminum Co Parent CJCQB4PYB943
  • Diamond Manufacturing Company YB1UHX6JASN5
    • Diamond Manufacturing Company Y97PDW7KUQ13

SAM.gov registration date

Feb 10, 2009

Physical address

243 W 8th St, Wyoming, PA 18644, USA

Website

diamondman.com

Founded

1915

Employees

51-250

Estimated annual revenue

$10M-$50M

Industry

1. Materials
2. Construction Materials
3. Building Materials

SIC code

34 Fabricated Metal Products

Profiles

• LinkedIn
• Crunchbase

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated Apr 30, 2026.