Gilbane Federal

Company facts

Self-certified in SAM.gov

• For Profit Organization
• Subchapter S Corporation

Entity structure

Corporate Entity (Not Tax Exempt)

Other NAICS codes in SAM.gov

• 236210 Industrial Building Construction
• 237110 Water and Sewer Line and Related Structures Construction
• 237120 Oil and Gas Pipeline and Related Structures Construction
• 237310 Highway, Street, and Bridge Construction
• 237990 Other Heavy and Civil Engineering Construction
• 238120 Structural Steel and Precast Concrete Contractors
• 238210 Electrical Contractors and Other Wiring Installation Contractors
• 238910 Site Preparation Contractors

Show all 10

• 238990 All Other Specialty Trade Contractors
• 561210 Facilities Support Services

Corporate family

• Mills Gilbane Parent Gilbane Building Company · Providence, RI MCSFZMTC2KK6
  • Gilbane Federal

SAM.gov registration date

May 4, 2026

Physical address

304 Inverness Way S #200, Englewood, CO 80112, USA

Website

gilbaneco.com

Founded

1870

Employees

1K-5K

Estimated annual revenue

$500M-$1B

Industry

1. Industrials
2. Capital Goods
3. Construction & Engineering

SIC code

87 Engineering & Management Services

Profiles

• LinkedIn
• X
• Facebook
• Crunchbase

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated Oct 5, 2026.