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Federal Contractor

CSSI, LLC

UEI MU5BJR4UM2V3 · CAGE 0YUD7 · WASHINGTON, DC · Parent: CSSI, LLC

Dated source observations

SAM: Active · expires 2027-10-21 · checked 2026-11-07

Exclusions: no active exclusion record matched this UEI · as of the 2026-11-06 extract

Requests SAM.gov registration data when a refresh is available. It updates this profile but does not create a verification record.

Classifications: corporate entity not tax exempt, hispanic american owned business, limited liability corporation, minority owned business, small business, subchapter s corporation, us owned business, woman owned business

Registered address

395 E ST SW STE 200
WASHINGTON, DC 20024

SAM registration data · checked 2026-11-07

Run an exclusion check Monitor this entity

Doing business with this entity? The check opens with UEI MU5BJR4UM2V3 loaded and can seal a permanent verification record. Monitoring re-checks this UEI every morning, with three entities included free.

Federal footprint

Historical awards

$600.6M

USAspending · prime awards

Trailing 12 months

$28.6M

USAspending · obligations

Largest agency share

84%

Department of Transportation

NAICS codes

4

observed across awards

USAspending subawards

Name matched reported contract subawards · checked 2026-11-07.

Name matches do not establish identity. Reported subaward coverage is partial.

Awarding agencies for this contractor

This contractor's observed prime award obligations by agency · USAspending.gov · as of 2026-11-07

NAICS codes

541330$258.6M

engineering services

9 awards observed

541712$83.2M

research and development in the physical, engineering, and life sciences (except biotechnology)

5 awards observed

518210$13.9M

computing infrastructure providers, data processing, web hosting, and related services

1 award observed

541519

other computer related services

Largest prime awards· as of 2026-11-07

  • DTFAWA10A00086CALL0001 · Department of Transportation$97.5M
  • 693KA922F00134 · Department of Transportation$49.5M
  • DTFAWA05C00044 · Department of Transportation$35.2M
  • DTFAWA10D00016CALL0104 · Department of Transportation$23.9M
  • DTFAWA10D00016CALL0037 · Department of Transportation$22.3M
  • 693KA821F00223 · Department of Transportation$19.9M
  • N6523623F0005 · Department of Defense$16.6M
  • N6523622F0115 · Department of Defense$15.3M
  • 693KA822C00004 · Department of Transportation$13.9M
  • 693KA923F00093 · Department of Transportation$12.9M
  • DTFAWA10A00086CALL0006 · Department of Transportation$12.3M
  • N6523618F3140 · Department of Defense$10.2M
  • DTFACT04D00011CALL0005 · Department of Transportation$9.1M
  • DTFAWA10D00016CALL0014 · Department of Transportation$8.9M
  • DTFAWA10D00016CALL0106 · Department of Transportation$8.2M