CSI / TSF Joint Venture, LLC

CSI / TSF Joint Venture, LLC, a Black American-owned, self-certified small disadvantaged business based in Jacksonville, Florida, provides geotechnical engineering, laboratory testing, and environmental services to the U.S. Army Corps of Engineers as a prime contractor under a single-award Indefinite Delivery Contract. The joint venture operates as a for-profit entity combining Civil Services, Inc. and Technical Services & Fabrication, competing under partial small business set-asides on select delivery orders while maintaining full-and-open competitive standing on most task orders.

CSI / TSF Joint Venture's federal footprint is entirely concentrated with USACE Jacksonville District (Engineering and Installation District Jacksonville, or ENDIST Jacksonville), which has issued 57 delivery orders under parent Indefinite Delivery Contract W912EP21D0003 since the joint venture's award of that nine-million-dollar vehicle on April 19, 2021. The IDC, originally set aside for small business participation and extending through April 18, 2026, enables USACE to procure specialized geotechnical and environmental testing services across Florida, Puerto Rico, the U.S. Virgin Islands, and the Caribbean region. Recent representative work includes a $1.046 million delivery order (May 2025) for architect-engineering services supporting vibracore collection and laboratory testing at the St. Johns River project in St. Augustine; a $533.238 thousand delivery order (November 2024) for vibracore collection and laboratory testing offshore Kennedy Space Center in support of NASA operations; a $498.842 thousand delivery order (April 2025) for EPA Section 103 sediment and water testing services; and a $448.789 thousand delivery order (June 2024) for the Sarasota County Shore Protection Project. Task order values range from under one thousand dollars for small expedited laboratory tasks to mid-six-figure amounts for multi-month geotechnical investigations, quality assurance testing, and vibracore collection campaigns.

The joint venture's service portfolio centers on core drilling, vibracore sampling, sediment analysis, materials testing, quality assurance evaluations, and specialized environmental investigation work supporting USACE civil works missions including navigation improvements, coastal storm risk management, flood control, infrastructure development, and dredged-material management. Performance locations span Florida project sites from Jacksonville to the Keys, with work performed in Sarasota, Tampa, Naples, St. Augustine, Fort Myers, Daytona Beach, West Palm Beach, and numerous other coastal and inland locations, plus offshore Kennedy Space Center operations.

Activity has grown sharply year over year — one award in 2022, five in 2023, fifteen in 2024, and twenty-eight in 2025 — reflecting USACE's reliance on the IDC to procure expedited task-order-based testing and environmental services. The combined potential value across all fifty-eight awards is $15 million, with six million obligated (40% of the ceiling). Nine awards carrying combined potential value of $1.8 million face ultimate completion within the next twenty-four months, creating recompete exposure as those delivery orders transition and renewal task orders flow out. The vendor does not hold sub-awards; all federal revenue streams are prime delivery orders under the single USACE vehicle.