Diamond Transportation System Inc.

Company facts

Self-certified in SAM.gov

• For Profit Organization
• Woman Owned Small Business
• Woman Owned Business
• Subchapter S Corporation

Entity structure

Corporate Entity (Not Tax Exempt)

Other NAICS codes in SAM.gov

• 484110 General Freight Trucking, Local
• 484122 General Freight Trucking, Long-Distance, Less Than Truckload

SAM.gov registration date

Aug 5, 2009

Physical address

5021 21st St, Racine, WI 53406, USA

Website

diamondtrans.net

Founded

1943

Employees

11-50

Estimated annual revenue

$1M-$10M

Industry

1. Industrials
2. Transportation
3. Road & Rail
4. Ground Transportation

SIC code

42 Trucking & Warehousing

Profiles

• LinkedIn
• X

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated Dec 18, 2025.