The state’s biggest engineering firm just got bigger with the acquisition of a 125-person firm in California.

Woodard & Curran of Portland announced Monday that it has acquired RMC Water & Environment, an environmental engineering company that focuses on developing services to address water usage and protections. Terms of the deal were not disclosed.

“This marks an important milestone in Woodard & Curran’s history,” Woodard & Curran CEO Douglas McKeown said in a news release. “We have grown steadily since the firm was founded, maintaining our focus on supporting and empowering our people, working side-by-side with our municipal- and private-sector clients on some of the most important water and environmental challenges. We are thrilled to be able to bring the people of RMC into the Woodard & Curran team, and to be able to leverage their expertise and experience to benefit our employees and clients.”

With the acquisition, Woodard & Curran’s footprint now extends into 12 states with 26 offices. The combined firm represents 1,000 engineers, scientists, planners, treatment facility operators and support staff who expect to deliver more than $200 million in projects this year, according to the release.

RMC President Alyson Watson said the acquisition allows the California company to expand its capabilities and offer more to clients. It also gives RMC a national platform to deliver expertise in water resources to new clients, she said.

The firms will integrate capabilities immediately, but in the near term, RMC will retain its focus on serving its clients in California, according to the release. RMC will operate under a co-branded identity through 2017 and then transition to operating as Woodard & Curran in 2018.

RMC was founded in the San Francisco Bay Area in 1998. It works with some of California’s biggest cities on water resource planning, and provides water and wastewater design services to midsize communities.

Woodard & Curran was founded in Maine in 1979 to help clients address needs arising out of the Clean Water Act. It has grown steadily since that time with a focus on water and environmental services.

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