U.S.-based technical and consulting services provider Willdan Group, Inc. has completed the $120 million buyout of energy utility solutions provider Lime Energy Co.

Under the terms of the deal, Willdan acquired all of the outstanding shares of capital stock of Lime Energy.

The acquisition of Lime Energy will further expand and diversify Willdan’s customer base and position Willdan to take advantage of anticipated upcoming contract and budget expansions in California and the Northeastern United States.

In 2017, Willdan Group generated $273.4 million and $13.7 million in operating income.