The Ohio Construction Industry Licensing Board (OCILB) issues licenses to qualified electrical, Heating Ventilating and Air Conditioning (HVAC), plumbing, hydronics and refrigeration contractors who successfully pass the PROV licensing examination. As part of the Division of Industrial Compliance, OCILB operates as a customer and business-focused organization with an emphasis on responsible, common sense regulation. Click the launch button in the page to view details.