R.J. Olmen Company

Ventilation Contractors Since 1972

Your Trusted HVAC Contracting Professionals

RJ Olmen Company Corliss

Welcome to R. J. Olmen Company


During the Post WWII Industrial Boom, Ronald J. Olmen began his career as a Sheet Metal Worker, employed by his Uncle, Philip Olmen; Partner at Jamar-Olmen Company. Jamar-Olmen was one of the Nation's largest Commercial/Industrial HVAC firms. After working his way to Vice President of the company, Ron's succession from Jamar-Olmen, led him to follow his dream; The American Dream of Business Ownership. In April of 1972, on little more than a wing and a prayer, Ron and his wife Patricia Olmen, founded R. J. Olmen Company, building it entirely upon hard work, integrity, quality and trust.


Today, with 4th generation Sheet Metal Workers at the helm, R. J. Olmen Company continues this tradition and maintains a strong and trusted presence in all of its Ventilation Contracting alliances.

R. J. Olmen Company has been providing HVAC services throughout the Chicago-land area for nearly 50 years. Our customers include:

AT&T Corporate Offfices

Chicago Public Schools

City of Chicago

Cook, Lake & DuPage Counties

Federal Government Agencies

Hospitals and Immediate Care Centers

Water Treatment Facilities

Suburban School Districts

Higher Education: Northeastern Illinois, UIC, University of Chicago

U S Dept of Navy

U S Dept of Veteran's Affairs

Private Entities