OASIS is a Multiple Award, Indefinite Delivery, Indefinite Quantity (MA-IDIQ) contract vehicle that provides flexible and innovative solutions for complex professional services.

Services under OASIS are awarded under seven North American Industry Classification System (NAICS) pools. Tetra Tech was awarded three contracts for work in NAICS Pools 1, 3, and 4. Work may cross over multiple disciplines and span many areas of expertise with task orders being assigned in the NAICS pool with the greatest percentage of anticipated requirements.

Awarded to Tetra Tech, Inc.: DUNS Number 04-522-4250
Contract Period of Performance: 5 Years with One 5-Year Option
Contract Type: Multiple Award, IDIQ
Task Order Types: FFP, T&M, Cost Reimbursable
Rate Structure: At Task Order Level

Tetra Tech’s OASIS Contracts

• POOL 1 – Engineering, Environmental, and Management Consulting
  Tetra Tech provides a full range of engineering, environmental, and management services from offices in almost every state in the US and multiple OCONUS locations.

• POOL 3 – Engineering Services for Military/Aerospace Equipment/Military Weapons
  Tetra Tech provides engineering services for military applications, acquisition, and deployment of aerospace equipment and military weapon systems, both from our offices and from personnel embedded at DoD, DOE, FAA, and other federal customer sites.

• POOL 4 – Research and Development (R&D)
  Tetra Tech provides R&D services in support of various activities to government customers from our offices and customer sites.

View GSA OASIS Website