Diamond Coring Co Inc.
Part of Roadworx, Inc.
- UEI
- EJZKQYTVA6K9
- CAGE
- 5XDM4
- Primary NAICS
- 237310 Highway, Street, and Bridge Construction
- SAM.gov registration
- Expired
Company facts
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Other NAICS codes in SAM.gov
-
- 237110 Water and Sewer Line and Related Structures Construction
- 237990 Other Heavy and Civil Engineering Construction
- 238190 Other Foundation, Structure, and Building Exterior Contractors
- 238990 All Other Specialty Trade Contractors
- 488119 Other Airport Operations
- 488490 Other Support Activities for Road Transportation
- Corporate family
-
-
Parent
Chicago, IL
C99CPWXEBWN8
-
Parent
Chicago, IL
C99CPWXEBWN8
- SAM.gov registration date
- Website
- diamondcoring.com
- Founded
- 1988
- Employees
- 11-50
- Estimated annual revenue
- $1M-$10M
- Industry
-
- Industrials
- Capital Goods
- Construction & Engineering
- SIC code
- 73 Business Services
- Profiles
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Quick answers
Is Diamond Coring Co Inc. registered in SAM.gov?
Diamond Coring Co Inc.'s SAM.gov registration expired on May 20, 2026.
On GovTribe
See Diamond Coring Co Inc.'s full federal record
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