Tetra Tech’s multi-faceted services in the downstream market provide clients with one partner that can manage their project from upfront air quality and flaring studies, to multi-discipline engineering, detailed design, and overall construction management.

Our teams specialize in brownfield projects including refinery upgrades and revamps, debottlenecking, new construction, or existing facility conceptual planning.  With the support of strong design teams, we offer ad hoc, or complete packaged engineering, procurement, and construction management services (EPCM) services for refinery projects of all sizes and complexities.