Paul's Heating, Cooling, and Duct Cleaning and team of technical specialists are specialized in the installation and service of all major brands of quality heating and air conditioning equipment for both residential and light commercial use.

PremiStar, formerly Reedy Industries, operates a footprint of 41 commercial HVAC, building automation and plumbing branch locations across 12 states. PremiStar helps critical facilities owners and managers in commercial, municipal, educational and industrial market segments achieve more cost-effective, more energy-efficient and healthier environments.

R. Williamson & Associates has been providing industry with clean, comfortable air. They provide an interactive experience, having engineers and technical sales representatives on staff with more than 135 years of air systems design experience.

Temperature Equipment Corporation (TEC) is a wholesale HVAC distribution company headquartered serving Illinois, Indiana, Wisconsin, Minnesota, Kansas, Missouri, and Michigan. They are a One Stop Shop for all HVAC needs from residential to commercial to industrial including equipment, controls, parts and supplies.

The YMI Group provides award-winning mechanical construction, HVAC and Plumbing service to general contractors; high-tech companies; property management firms; local, state, and federal government agencies; and hospitals and laboratories.

ThermFlo provides a comprehensive range of HVAC services for commercial facilities. It will ensure all HVAC systems are working properly without any interruption.

Around the globe, UL works to help customers, purchasers and policymakers navigate market risk and complexity. UL builds trust in the safety, security and sustainability of products, organizations and supply chains – enabling smarter choices and better lives. Their robust suite of offerings includes testing, inspection, auditing, certification, marketing claim verification, training, advisory services and software solutions.

In more than forty-five years since their founding in an old onion set warehouse in South Holland, Van Drunen Heating and Air Conditioning’s goal has remained the same, taking care of people.