C.h. Guernsey & Company
Oklahoma City, OK
- UEI
- L5NJJEMJXL34
- CAGE
- 1H373
- Primary NAICS
- 541310 Architectural Services
- SAM.gov registration
- Active through
Company facts
- FY2025 rankings
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Other NAICS codes in SAM.gov
-
- 541330 Engineering Services
- 541340 Drafting Services
- 541410 Interior Design Services
- 541420 Industrial Design Services
- 541490 Other Specialized Design Services
- 541519 Other Computer Related Services
- 541611 Administrative Management and General Management Consulting Services
- 541618 Other Management Consulting Services
- SAM.gov registration date
- Physical address
- 5555 N Grand Blvd, Oklahoma City, OK 73112, USA
- Website
- guernsey.us
- Founded
- 1928
- Employees
- 51-250
- Estimated annual revenue
- $10M-$50M
- Industry
-
- Industrials
- Capital Goods
- Construction & Engineering
- Civil 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 obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $557,436 |
| FY2025 | $11,678,107 |
| FY2024 | $11,663,924 |
| FY2023 | $11,920,959 |
Top agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Air Force | $349,660 | |
| 2 | Department of the Army | $207,776 |
Contract vehicles
Contract awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| WO#23-030509 MAC EV-PAR type b | Franchise Acquisition Servies (FAA) | $404,950 | |
| Program management support G4 | Engineering Support Center Huntsville (USACE) | $6,933,039 | |
| WO#23-018754 gnas interior upgrades | Franchise Acquisition Servies (FAA) | $77,900 | |
| Up technical services hqda g-9 | Engineering Support Center Huntsville (USACE) | $7,616,749 | |
| WO#23-030509 MAC vertiport type a | Franchise Acquisition Servies (FAA) | $458,350 |
Latest 5 listed here. See the rest on GovTribe.
Contract subawards
| Prime contractor | Prime award | Amount | Awarded |
|---|---|---|---|
| CDM Federal Programs Corporation | N6274225F0363 | $183,594 | |
| CDM Federal Programs Corporation | N6247025F0028 | $332,447 | |
| CDM Federal Programs Corporation | N6247025F0008 | $186,030 | |
| CDM Federal Programs Corporation | N6247024F4147 | $145,239 | |
| CDM Federal Programs Corporation | N6247024F4128 | $512,292 |
Latest 5 listed here. See the rest on GovTribe.
Similar vendors
| Vendor | Location | Primary NAICS |
|---|---|---|
| Lwpb Architecture | Oklahoma City, OK | 541310 Architectural Services |
| Sa.studio, PLLC | Edmond, OK | 541310 Architectural Services |
| Sverdrup Crss | St. Louis, MO | 541330 Engineering Services |
| Tigerbrain Cyntergy AEC | Oviedo, FL | 541330 Engineering Services |
| Kleinfelder, Inc. | Riverside, CA | 541330 Engineering Services |
About the company
C.h. Guernsey & Company is a diversified professional consulting firm headquartered in Oklahoma City, Oklahoma, with over 85 years of experience providing engineering, architectural, economic, management consulting, environmental, and construction management services. Registered in SAM.gov since October 23, 2001, the company is a for-profit Subchapter S Corporation that specializes in delivering comprehensive professional services to federal government agencies. The firm has established itself as a versatile contractor capable of supporting multiple federal agencies through various contract vehicles and specialized technical expertise.
The company has demonstrated extensive capabilities across numerous federal contract awards, primarily with agencies like the U.S. Army Corps of Engineers, Department of Transportation Federal Aviation Administration, and Defense Logistics Agency. Its federal contract work has encompassed diverse service areas including utilities privatization technical services, construction phase engineering, quality assurance support, program management, acquisition management, infrastructure upgrades, facility assessments, and technical system improvements. Notably, C.h. Guernsey & Company has consistently been awarded contracts without small business set-aside designations, indicating its competitive positioning in the federal marketplace. The firm has worked on projects ranging from electrical infrastructure upgrades and vertiport renderings to utility system assessments at military installations across locations like Hawaii, Alaska, and various U.S. Army bases.
C.h. Guernsey & Company holds multiple significant Indefinite Delivery Vehicles (IDVs), most prominently a $15 million architecture and engineering IDC with the Federal Aviation Administration awarded on September 1, 2021, with a base year and four one-year option periods extending through August 2025. This IDC has enabled the company to receive numerous delivery orders for services including electronic content management improvements, cabin safety simulation building construction, and wireless integrated weather systems commissioning. Additionally, the company maintains a $100 million General Services Administration Professional Services Schedule and has subcontract relationships with firms like CDM Federal Programs Corporation and HDR Engineering Inc., which further expand its federal contract capabilities across utility privatization, consulting, and infrastructure support services.
Quick answers
Is C.h. Guernsey & Company registered in SAM.gov?
Yes. C.h. Guernsey & Company's SAM.gov registration is active through January 28, 2027.
Which contract vehicles does C.h. Guernsey & Company hold?
C.h. Guernsey & Company holds a place on 3 federal contract vehicles, including IT-70, MAS and PSS.
How much has C.h. Guernsey & Company received in federal contracts?
Federal contracts obligated $11,678,107 to C.h. Guernsey & Company in fiscal year 2025 and $35,820,426 in fiscal years 2023 through 2027.
How does C.h. Guernsey & Company rank among federal contractors?
C.h. Guernsey & Company ranked #43 in PSC C1JZ in FY2025.
What is C.h. Guernsey & Company's most recent federal award?
C.h. Guernsey & Company's most recent federal contract award is WO#23-030509 MAC EV-PAR type b (6973GH25F00333), from Franchise Acquisition Servies (FAA), on December 30, 2024.
On GovTribe
See C.h. Guernsey & Company's full federal record
- Federal contract awards
- IDV awards
- Contract vehicles
- Subcontracting relationships
- Funding analysis by agency, NAICS and set-aside
- Similar vendors