C. H. Guernsey & COMPANY
UEI L5NJJEMJXL34 CAGE 1H373 Active Oklahoma City, OK
Other Than Small Business · Data through September 22, 2026
Obligations by fiscal year
| Fiscal year | Obligations |
|---|---|
| FY2026 | $470K |
| FY2025 | $11.7M |
| FY2024 | $11.7M |
| FY2023 | $11.9M |
| FY2022 | $11.9M |
| FY2021 | $11.9M |
Agencies, NAICS, and PSC codes
| Agency | Obligations | Share |
|---|---|---|
| Department of Defense | $56.9M | 95.5% |
| Department of Transportation | $2.7M | 4.6% |
| General Services Administration | $0 | 0% |
| Department of Justice | -$32K | -0.1% |
| NAICS code | Obligations | Share |
|---|---|---|
| 541611 — Administrative Management and General Management Consulting Services | $36.1M | 60.7% |
| 541618 — Other Management Consulting Services | $10.8M | 18.2% |
| 541330 — Engineering Services | $9.6M | 16.2% |
| 541310 — Architectural Services | $3.0M | 5% |
| 541519 — Other Computer Related Services | $0 | 0% |
| PSC code | Obligations | Share |
|---|---|---|
| R425 — Support- Professional: Engineering/technical | $41.4M | 69.5% |
| C1JZ — Architect and Engineering- Construction: Miscellaneous Buildings | $11.4M | 19.2% |
| R499 — Support- Professional: Other | $4.9M | 8.3% |
| C1HZ — Architect and Engineering- Construction: Govt-Owned Govt-Operated (gogo) Environmental Laboratories | $914K | 1.5% |
| R707 — Support- Management: Contract/procurement/acquisition Support | $647K | 1.1% |
Contract type and set-aside mix
| Contract pricing type | Obligations | Share |
|---|---|---|
| Firm Fixed Price | $59.0M | 99.1% |
| Time and Materials | $427K | 0.7% |
| Labor Hours | $94K | 0.2% |
| Set-aside type | Obligations | Share |
|---|---|---|
| Not Specified | $43.1M | 72.4% |
| No Set Aside Used. | $16.4M | 27.6% |
Place of performance by state
| State | Obligations | Share |
|---|---|---|
| AK | $16.6M | 27.9% |
| DC | $14.5M | 24.4% |
| OK | $13.2M | 22.2% |
| AL | $9.4M | 15.8% |
| VA | $4.9M | 8.3% |
| HI | $773K | 1.3% |
Largest contract actions on file
| Award | Agency | Period of performance | Obligation | Record |
|---|---|---|---|---|
| W912DY24F0260 · NAICS 541611 | Department of Defense | August 1, 2024 – July 31, 2026 | $3.9M | View on USAspending |
| W912DY24F0400 · NAICS 541611 | Department of Defense | September 30, 2024 – September 29, 2026 | $3.5M | View on USAspending |
| W912DY24F0400 · NAICS 541611 | Department of Defense | September 30, 2024 – September 30, 2025 | $3.4M | View on USAspending |
| W912DY24F0260 · NAICS 541611 | Department of Defense | August 1, 2024 – July 31, 2025 | $3.3M | View on USAspending |
| SP060020F8334 · NAICS 541611 | Department of Defense | September 30, 2020 – September 29, 2021 | $2.6M | View on USAspending |
| W912DY22C0021 · NAICS 541618 | Department of Defense | June 1, 2022 – May 31, 2023 | $2.5M | View on USAspending |
| W912DY22C0021 · NAICS 541618 | Department of Defense | June 1, 2022 – May 31, 2024 | $2.4M | View on USAspending |
| SP060020F8334 · NAICS 541611 | Department of Defense | September 30, 2020 – September 29, 2022 | $2.4M | View on USAspending |
| SP060023F8353 · NAICS 541611 | Department of Defense | January 9, 2023 – January 8, 2026 | $2.0M | View on USAspending |
| SP060017F8321 · NAICS 541611 | Department of Defense | June 1, 2017 – May 31, 2022 | $1.6M | View on USAspending |
Similar contractors
- Rose Li and Associates, INC. — $59.7M, Bethesda, MD
- Trewon Technologies LLC — $59.2M, Leesburg, VA
- Claxton Logistics Services LLC — $59.1M, Stafford, VA
- C5t CORPORATION — $58.6M, Scott Air Force Base, IL
- Premier Enterprise Solutions, LLC — $58.5M, Upper Marlboro, MD
- Verdi Consulting INC — $60.7M, Falls Church, VA
- Dynamic Integrated Services, LLC — $58.2M, Pensacola, FL
- Mid Atlantic Technical and Executive Consulting, LLC — $60.9M, Derwood, MD
What the numbers show
95% of this contractor's obligations on file ($56.9M of $59.5M) came from a single agency, Department of Defense.
No transaction in this record used a small-business set-aside; all obligations were awarded with no set-aside or an unspecified type.
Obligations decreased from $11.7M in FY2025 to $470K in FY2026, the last closed fiscal year.
Source: USAspending.gov, U.S. Department of the Treasury. Contract transactions FY2021–FY2026, downloaded 2026-10-21. Figures are net obligations and can include de-obligations. Department of Defense data is published with a 90-day delay. View this contractor's largest contract on USAspending.gov.
To request removal of this profile, use the contact form and select "Removal request." Requests are processed within 30 days.