SANTA ROSA -- Engineering and environmental consulting firm Winzler & Kelly acquired Norris-Repke, a municipal and civil engineering and construction management firm with offices in Santa Ana and Moreno Valley.

Santa Rosa-based Winzler & Kelly ( is the largest construction-related engineering firm locally and the 264th largest such firm in the U.S. this year, according to research by the Business Journal and trade publication Engineering News-Record, respectively.

The firm has more than 300 employees in 10 offices, including ones in Anaheim and San Diego. The merger strengthens its presence in that region.

"Together, we are uniquely positioned to provide all of Southern California with the most comprehensive planning, engineering and land surveying services available," said Vice President Marc Solomon.