Since 1947, the Vonachen Group has called Illinois home, with our corporate office in Peoria and a branch in Rockford. As one of the largest and most successful building service contractors in the state, we proudly serve clients in Champaign, Springfield, Joliet, and Bloomington. Our commitment to delivering exceptional service experiences is achieved through the people we employ, the processes we implement, and the outcomes we deliver.

As one of the 3% of family businesses in the United States to reach the fourth generation, we attribute our success to the steadfast support of our employees, clients, and communities. While we celebrate our achievements, we look forward to future opportunities that showcase the strength of our relationships and the resilience of our team.