Contractor Support Services Inc.
Hauppauge, NY
- UEI
- M4P2KZZL8FU9
- CAGE
- 4YF07
- Primary NAICS
- 541330 Engineering Services
- SAM.gov registration
- Active through
Company facts
- FY2025 rankings
- SBA certifications
-
Women-Owned Small Business· Current
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Other NAICS codes in SAM.gov
-
- 488190 Other Support Activities for Air Transportation
- 488490 Other Support Activities for Road Transportation
- 488999 All Other Support Activities for Transportation
- 491110 Postal Service
- 493110 General Warehousing and Storage
- 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services
- 541219 Other Accounting Services
- 541410 Interior Design Services
Show all 25
- 541430 Graphic Design Services
- 541511 Custom Computer Programming Services
- 541512 Computer Systems Design Services
- 541513 Computer Facilities Management Services
- 541519 Other Computer Related Services
- 541611 Administrative Management and General Management Consulting Services
- 541612 Human Resources Consulting Services
- 541613 Marketing Consulting Services
- 541614 Process, Physical Distribution, and Logistics Consulting Services
- 541618 Other Management Consulting Services
- 541690 Other Scientific and Technical Consulting Services
- 541990 All Other Professional, Scientific, and Technical Services
- 561110 Office Administrative Services
- 561210 Facilities Support Services
- 561311 Employment Placement Agencies
- 561320 Temporary Help Services
- 561499 All Other Business Support Services
- SAM.gov registration date
- Physical address
- 580 Old Willets Path, Hauppauge, NY 11788, USA
- Website
- cssi1.com
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 | $413,606 |
| FY2025 | $1,043,009 |
| FY2024 | $979,786 |
| FY2023 | $1,162,101 |
Top agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Navy | $413,606 |
Contract vehicles
Contract awards
Latest 5 listed here. See the rest on GovTribe.
Similar vendors
| Vendor | Location | Primary NAICS |
|---|---|---|
| Corporate Headquarters | Dalton, OH | 541330 Engineering Services |
| Disruptive It LLC | Falls Church, VA | 541512 Computer Systems Design Services |
| Island Creek Associates, LLC | Saint Leonard, MD | 541330 Engineering Services |
| CFC | Newport, RI | 541990 All Other Professional, Scientific, and Technical Services |
| Artemis Consulting, LLC | San Diego, CA | 541330 Engineering Services |
About the company
Contractor Support Services Inc., doing business as Cssi, is a minority and woman owned small business that provides professional and technical services to the U.S. federal government. Through prime and subcontract awards, the company supports federal agencies with engineering, information technology, fabrication, and other specialized services.
Cssi has been awarded multiple federal contracts and delivery orders to provide services such as enterprise application development, SharePoint development, engineering technician support, fabrication services, and task order support under the Department of Defense's Seaport Next Generation contract vehicle. These contracts have been awarded by agencies including the Department of the Navy's Information Warfare Systems Command, Naval Sea Systems Command, and United States Pacific Fleet Forces. The services have been performed in locations across the U.S. such as San Diego, New Orleans, and Hauppauge. Some of the awards have been set aside for small businesses while others were full and open competitions. Cssi has provided these technical and professional services both as a prime contractor directly to federal agencies as well as a subcontractor under larger defense contracts.
SBA capabilities narrative
CSSI provided Technical Support Services for Engineering, Project Management, Supply Chain Management, Warehouse Management, Logistics, Administrative and Clerical, and Information Technology support to Government and commercial customers.
Quick answers
Is Contractor Support Services Inc. registered in SAM.gov?
Yes. Contractor Support Services Inc.'s SAM.gov registration is active through December 24, 2026.
What is Contractor Support Services Inc.'s CAGE code?
Contractor Support Services Inc.'s CAGE code is 4YF07, and its Unique Entity ID (UEI) is M4P2KZZL8FU9.
Which SBA certifications does Contractor Support Services Inc. hold?
Contractor Support Services Inc. holds Women-Owned Small Business certification from the SBA.
Which contract vehicles does Contractor Support Services Inc. hold?
Contractor Support Services Inc. holds a place on 1 federal contract vehicle: Seaport-NXG.
How much has Contractor Support Services Inc. received in federal contracts?
Federal contracts obligated $1,043,009 to Contractor Support Services Inc. in fiscal year 2025 and $3,598,503 in fiscal years 2023 through 2027.
How does Contractor Support Services Inc. rank among federal contractors?
Contractor Support Services Inc. ranked #99 in PSC L in FY2025.
What is Contractor Support Services Inc.'s most recent federal award?
Contractor Support Services Inc.'s most recent federal contract award is Production fabrication services (N6600122P6075), from Naval Information Warfare Systems Command (Navy), on April 25, 2022.
On GovTribe
See Contractor Support Services Inc.'s full federal record
- Federal contract awards
- IDV awards
- Contract vehicles
- Funding analysis by agency, NAICS and set-aside
- Similar vendors