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

View GSA OASIS Website

Points of Contact

Bill Brownlie, PhD, PE
Program Manager
+1 (626) 470-2302
Barbara Petersen
Contract Manager
+1 (626) 470-2407