Gilbane Building Company

Houston, TX Southwest Region

UEI
N1G5SYQQEHU7
CAGE
3QXB3
Primary NAICS
236220 Commercial and Institutional Building Construction
SAM.gov registration
Active through

Company facts

FY2025 rankings

Its parent company, Gilbane Building Company, ranks:

and 9 more

Self-certified in SAM.gov
  • For Profit Organization
Entity structure
Corporate Entity (Not Tax Exempt)
Corporate family
  • Mills Gilbane Parent Gilbane Building Company · Providence, RI MCSFZMTC2KK6
    • Southwest Region
SAM.gov registration date
Physical address
811 Main St #2450, Houston, TX 77002, 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

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

Contract awards

Award Agency Obligated Awarded
Design/build renovations at the GT "mickey" leland federal building in houston, texas. Renovations include… GS07P09UYC0008 Region 7 (PBS) $88,169,712
Initial target cost W9126G07C0043 ENDIST Fort Worth (USACE) $105,477,433
Title II post design inspection services NAS903063 Johnson Space Center $11,893,456
Delivery Order 223979722-00223200101C00000000E700047223979722 Food and Drug Administration $22,000
Delivery Order 223979722-00223200012C00000000E700040223979722 Food and Drug Administration $27,000

Latest 5 listed here. See the rest on GovTribe.

Quick answers

Is Gilbane Building Company registered in SAM.gov?

Yes. Gilbane Building Company's SAM.gov registration is active through February 18, 2027.

What is Gilbane Building Company's CAGE code?

Gilbane Building Company's CAGE code is 3QXB3, and its Unique Entity ID (UEI) is N1G5SYQQEHU7.

How does Gilbane Building Company rank among federal contractors?

Gilbane Building Company's parent company, Gilbane Building Company, ranked #2 in PSC Y1BD, #3 in NAICS 236118 and #4 in PSC Y1FA in FY2025.

What is Gilbane Building Company's most recent federal award?

Gilbane Building Company's most recent federal contract award is Design/build renovations at the GT "mickey" leland federal building in houston, texas. Renovations include… (GS07P09UYC0008), from Region 7 (PBS), on March 22, 2010.

On GovTribe

See Gilbane Building Company's full federal record

  • Federal contract awards
  • IDV awards
  • Funding analysis by agency, NAICS and set-aside
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