Mechanical Contractors Association of America (MCAA) Chief Engineers of Chicagoland
Mechanical Service Contractors of America (MSCA) Mechanical Contractors Association – Chicago (MCA)
Institute of Real Estate Management (IREM) Refrigeration Services Engineers Society
Healthcare Engineers Society of Northern Illinois (HESNI) American Association of Candy Technologists (AACT)
Bedford Park Clearing Industrial Association (BPCIA) National Fire Protection Association (NFPA)
Bricklayers District Council #1 Chicago Pipefitters – Local 597
Chicagoland Laborers Mokena Chamber of Commerce
CAIC (Calumet Area Industrial Commission)