Tetra Tech Rizzo, a Framingham-based engineering company, has acquired Braintree-based engineering, planning and environmental firm Daylor Consulting Group.
Tetra Tech Rizzo is a division of California-based Tetra Tech. Financial terms of the deal were not disclosed.
The acquisition will allow Tetra Tech Rizzo to expand its land planning and survey services, said Brian Sullivan, company president.
Daylor Consulting employs 40 people in Braintree.
