Tetra Tech completed the acquisition of Carron + Walsh.

Tetra Tech, a provider of high-end consulting and engineering services in water, environment, and sustainable infrastructure, completed the acquisition of Carron + Walsh, a construction services firm. Financial terms were not disclosed. “We are very pleased to welcome Carron + Walsh to Tetra Tech. Carron + Walsh further expands Tetra Tech’s client network and cross-selling opportunities in the delivery of critical infrastructure programs in the Republic of Ireland. Their innovation in project delivery, directly aligns with our Leading with Science® approach and expands our technology suite in project management services,” Dan Batrack, Tetra Tech Chairman and CEO.