ST. CHARLES, IL - Williams Design|Build and Williams Construction Management acquired Vasilion Architects. Terms of the transaction were not disclosed.

The firms will now serve as a single-source for architecture, design/build and construction management under the new name of Prairie Forge Group. The company will be led by Thomas M. Tristano as president, David V. Stermetz as vice president and director of construction, and Steven J. Vasilion as director of architecture. “We have aligned four decades of experience with the expertise of new, innovative team members to further enhance the service offerings we provide to our clients,” Tristano says in a press release. “The acquisition of Vasilion Architects was a natural step in our evolution. As we build upon our past resources and success, we remain focused on the core values upon which we established our firm decades ago - quality, people and service.” Prairie Forge Group will be headquartered in St. Charles and have an office in Kansas City, MO. The firm's areas of practice include municipal, parks and recreation, healthcare, commercial, multi-family, historic preservation, and religious and education sectors in the Midwest. Prairie Forge Group has completed numerous projects in Illinois including the Lake Forest Municipal Services Facility in Lake Forest; St. Charles Fire Station No. 1 in St. Charles; the Schwiebert Riverfront Park in Rock Island; and the Bob & Edna Meadows Regional Cancer Care Center at St. Joseph Provena Hospital in Elgin.