G.S.E. Construction Company, Inc.
G.S.E. Construction Company, Inc. received $111.3M in federal prime contract obligations in the 12 months ending Oct 5, 2026, up 1042.1% from $9.7M the year before, and $124.8M since FY2022. Its largest customer is the Department of the Interior.
See 3 contracts ending in the next 18 months ↓Contractor details
- Unique Entity ID (UEI)
- JS4MLNK3AFR9
- CAGE code
- 0CW03
- Headquarters
- Livermore, CA
- Business size
- Other Than Small Business
As recorded on this UEI's most recent prime contract action in USAspending.gov. Confirm current registration and certifications in SAM.gov.
Obligations by fiscal year
Net prime contract obligations by federal fiscal year.
Markets where it ranks top 10
Agency and NAICS markets where this UEI is one of the ten largest primes in the latest 12 months.
Top agencies
Funding agencies ranked by obligations since FY2022.
| Funding agency | Latest 12 mo | Since FY2022 |
|---|---|---|
| Department of the Interior | $109.5M | $113.3M |
| Department of Defense | $0 | $9.7M |
| Department of State | $1.8M | $1.8M |
Top NAICS codes
Industry codes agencies recorded on this contractor's awards, since FY2022.
What it sells
Product and service codes (PSC) on this contractor's awards, since FY2022.
| PSC | Description | Since FY2022 |
|---|---|---|
| Y1ND | Construction of Sewage and Waste Facilities | $109.5M |
| Z2ND | Repair or Alteration of Sewage and Waste Facilities | $9.7M |
| 4610 | Water Purification Equipment | $3.8M |
| Z2NE | Repair or Alteration of Water Supply Facilities | $1.8M |
Contracts ending in the next 18 months
This contractor's largest awards whose current period of performance ends soon. Options and extensions often move these dates.
| Award | Agency | Obligated | Current end |
|---|---|---|---|
| W9123825CA001 | Department of Defense WASTEWATER TREATMENT PLANT REPAIRS AT DEFENSE DISTRIBUTION DEPOT SAN JOAQUIN, TRACY, CA | $9.7M | Feb 3, 2027 |
| 140R6022C0006 | Department of the Interior LEADVILLE SUPPLY SOLID CONTACT CLARIFERS | $3.8M | May 28, 2027 |
| 191BWC26P0090 | Department of State HEADWORKS REPAIR | $1.8M | Sep 30, 2027 |
Recent awards
This contractor's newest prime contract awards, most recent first.
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| 191BWC26P0090 | Department of State HEADWORKS REPAIR | $1.8M | Sep 28, 2026 |
| 140P2026C0017 | Department of the Interior YELL 310402 GRANT WASTEWATER TREATMENT PLANT AND COLLECTIONS AND CANYON COLLECTIONS | $109.5M | May 28, 2026 |
| W9123825CA001 | Department of Defense WASTEWATER TREATMENT PLANT REPAIRS AT DEFENSE DISTRIBUTION DEPOT SAN JOAQUIN, TRACY, CA | $9.7M | Jul 18, 2025 |
| 140R6022C0006 | Department of the Interior LEADVILLE SUPPLY SOLID CONTACT CLARIFERS | $3.8M | Jan 18, 2022 |
Prime contracts (award types A–D) from USAspending.gov through Oct 5, 2026. Subcontracts are not included. Net obligations include deobligations and corrections.
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