D / E / F Services Group, LTD
Old Saybrook, CT
- UEI
- EE28SSL85827
- CAGE
- 3CFF5
- SAM.gov registration
- Active through
Company facts
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Other NAICS codes in SAM.gov
-
- 236220 Commercial and Institutional Building Construction
- 237130 Power and Communication Line and Related Structures Construction
- 238130 Framing Contractors
- 238170 Siding Contractors
- 238220 Plumbing, Heating, and Air-Conditioning Contractors
- 238390 Other Building Finishing Contractors
- 238990 All Other Specialty Trade Contractors
- 561621 Security Systems Services (except Locksmiths)
- SAM.gov registration date
- Physical address
- 40 Research Pkwy, Old Saybrook, CT 06475, USA
- Website
- defservicesgroup.com
- Employees
- 11-50
- Estimated annual revenue
- $1M-$10M
- Industry
-
- Industrials
- Capital Goods
- Construction & Engineering
- SIC code
- 17 Special Trade Contractors
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 | $0 |
| FY2025 | $51,598 |
| FY2024 | $34,924 |
| FY2023 | $138,714 |
Contract vehicles
Contract awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| 20A circuits installation | Naval Supply Systems Command (Navy) | $42,490 | |
| Uwdc scif onsite CAT 6 data cabling install upgrade service | Naval Supply Systems Command (Navy) | $19,828 | |
| Hamden, CT HVAC preventive maintenance | Forest Service | $58,425 | |
| Fiber optic cable installation | Naval Sea Systems Command (Navy) | $104,493 | |
| Installation of plexiglass panels. | AFLCMC Hanscom AFB | $4,688 |
Latest 5 listed here. See the rest on GovTribe.
Similar vendors
| Vendor | Location | Primary NAICS |
|---|---|---|
| Bonner Electric, Inc. | Montville, CT | 238210 Electrical Contractors and Other Wiring Installation Contractors |
| Building Innovators LLC | Hartford, CT | 236220 Commercial and Institutional Building Construction |
| Futurecom LLC | Durham, CT | 238210 Electrical Contractors and Other Wiring Installation Contractors |
| IBS L.l.c | Cromwell, CT | 238220 Plumbing, Heating, and Air-Conditioning Contractors |
| Fitzemeyer & Tocci Associates, Inc. | Woburn, MA | 541330 Engineering Services |
About the company
D / E / F Services Group, LTD is a self-certified small disadvantaged business incorporated as a Subchapter S Corporation and headquartered in Griswold, Connecticut. Registered with the federal government since November 2002, the company specializes in mechanical, electrical, and plumbing (MEP) services with particular expertise in data cabling, HVAC systems, and fiber optic infrastructure. The company operates as a prime contractor under the General Services Administration Multiple Award Schedule (GSA MAS) contract vehicle, enabling it to provide streamlined procurement services to federal agencies across both defense and civilian sectors.
D / E / F Services Group, LTD has secured four prime federal contract delivery orders totaling approximately $258,655.58 in contract ceiling value since mid-2023. The company's service portfolio demonstrates substantial diversity across multiple federal agencies and technical specialties. Notable awards include a $104,492.75 fiber optic cable installation project for the Naval Sea Systems Command (NAVSEA) completed in 2023, a $90,844.70 HVAC preventative maintenance contract with the U.S. Forest Service Northern Research Station extending through October 2028, a $19,828.13 Category 6 data cabling installation and upgrade project for the U.S. Fleet Forces Command (Atlantic Fleet) at a Sensitive Compartmented Information Facility completed in 2024, and a $42,490 firm fixed-price delivery order from the Naval Education and Training Command for 20A circuits installation at Newport, Rhode Island scheduled for completion in October 2025. All contract awards have been issued without small business set-aside designations, indicating the company's competitive positioning against unrestricted competition. The geographic concentration of work in the Newport, Rhode Island area and surrounding Connecticut demonstrates the company's established presence and operational capability in its regional market while maintaining relationships with multiple federal agencies including defense and civilian organizations.
SBA capabilities narrative
All aspects of electrical, telecommunications, low voltage systems such as fire and burg alarms, CCTV and access control, mechanical and plumbing systems, general trades and excavation work
Quick answers
Is D / E / F Services Group, LTD registered in SAM.gov?
Yes. D / E / F Services Group, LTD's SAM.gov registration is active through May 15, 2027.
Which contract vehicles does D / E / F Services Group, LTD hold?
D / E / F Services Group, LTD holds a place on 2 federal contract vehicles, including 03FAC and MAS.
How much has D / E / F Services Group, LTD received in federal contracts?
Federal contracts obligated $51,598 to D / E / F Services Group, LTD in fiscal year 2025 and $225,236 in fiscal years 2023 through 2027.
What is D / E / F Services Group, LTD's most recent federal award?
D / E / F Services Group, LTD's most recent federal contract award is 20A circuits installation (N0018925FG071), from Naval Supply Systems Command (Navy), on September 10, 2025.
On GovTribe
See D / E / F Services Group, LTD's full federal record
- Federal contract awards
- IDV awards
- Contract vehicles
- Funding analysis by agency, NAICS and set-aside
- Similar vendors