C. H. Guernsey & Company
C. H. Guernsey & Company received $470K in federal prime contract obligations in the 12 months ending Oct 5, 2026, down 96.0% from $11.7M the year before, and $47.7M since FY2022. Its largest customer is the Department of Defense.
Contractor details
- Unique Entity ID (UEI)
- L5NJJEMJXL34
- CAGE code
- 1H373
- Headquarters
- Oklahoma City, OK
- 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.
Top agencies
Funding agencies ranked by obligations since FY2022.
| Funding agency | Latest 12 mo | Since FY2022 |
|---|---|---|
| Department of Defense | $470K | $41.2M |
| Corps of Engineers - Civil Works | $0 | $3.7M |
| Department of Transportation | $0 | $2.7M |
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 |
|---|---|---|
| R425 | Support- professional: Engineering/Technical | $36.6M |
| C1JZ | Architect and Engineering- construction: Miscellaneous Buildings | $7.3M |
| R499 | Support- professional: Other | $2.4M |
| C1HZ | Architect and Engineering- construction: Govt-Owned Govt-Operated (Gogo) Environmental Laboratories | $914K |
| R707 | Support- management: Contract/Procurement/Acquisition Support | $323K |
| C211 | Architect and Engineering- general: Landscaping, Interior Layout, and Designing | $86K |
Recent awards
This contractor's newest prime contract awards, most recent first.
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| 6973GH25F00333 | Department of Transportation WO#23-030509 MAC EV-PAR TYPE B | $276K | Dec 30, 2024 |
| W912DY24F0400 | Department of Defense PROGRAM MANAGEMENT SUPPORT G4 | $3.4M | Sep 29, 2024 |
| 6973GH24F01509 | Department of Transportation WO#23-018754 GNAS INTERIOR UPGRADES | $78K | Sep 13, 2024 |
| W912DY24F0260 | Department of Defense UP TECHNICAL SERVICES HQDA G-9 | $3.3M | Jul 31, 2024 |
| 6973GH24F01091 | Department of Transportation WO#23-030509 MAC VERTIPORT TYPE A | $435K | Jul 2, 2024 |
| 6973GH24F00302 | Department of Transportation WO#23-013420 TSF ECM IMPROVEMENTS | $96K | Jan 22, 2024 |
| 6973GH24F00245 | Department of Transportation 6973GH-20-C-00025 WO#14-002117 CAMI WIWAVES | $94K | Dec 28, 2023 |
| W912DY23C0054 | Department of Defense UP TECHNICAL SERVICES - HAWAII | $831K | Sep 29, 2023 |
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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