Tetra Tech Rizzo Acquires Daylor Consulting Group

FRAMINGHAM, MA – January 28, 2008 – Tetra Tech Rizzo announces it has acquired Daylor Consulting Group, a 40-person engineering, planning, and environmental firm based in Braintree, Massachusetts
“The merger of our companies will allow us to offer an even broader array of services such as land planning and survey to our clients” notes Brian Sullivan, President of Tetra Tech Rizzo. Tetra Tech Rizzo provides civil engineering; transportation planning and design; assessment, remediation, compliance; and natural resource services in New England and abroad.

“Selling the company to an industry leader with local roots and an international reach was vitally important to me.  I look forward to the opportunity to bring our vast new resources to our clients” states Bob Daylor, founder of Daylor Consulting Group.

Tetra Tech Rizzo is a division of Tetra Tech, a leading provider of consulting, engineering, and technical services, based in Pasadena, California.  Tetra Tech is a publicly traded company, with more than 8,500 associates in over 350 offices worldwide.  Engineering News Record ranks Tetra Tech the 8th largest design firm.

Brian P. Sullivan, PE

Mr. Sullivan has more than 25 years of experience in civil engineering with a focus on land development. He received his BS in Civil engineering from Northeastern University and joined Tetra Tech Rizzo (formerly Rizzo Associates) in 1985.  He was appointed President of Tetra Tech Rizzo in 2007 after successfully growing the site/civil engineering/land development practice to $20 million.  He was deeply honored that the company was recently named a “Best Place to Work” by the Environmental Business Council (EBC) of New England. “It’s all about the people – we work for great clients and our employees are passionate about their work. I’m committed to making sure we continue to be “a best place to work” for many years to come.”  Mr. Sullivan resides in Acton, Massachusetts with his wife Karen and three daughters.