H. A. Phillips & Co. is a single source manufacturer and supplier of modulating control solutions for industrial refrigeration systems. They provide ammonia refrigeration valves, control systems, custom ASME pressure vessels, air purgers, Anhydrators, packaged refrigeration controls, regulating and solenoid valves, Level Eye sightglasses, refrigeration flanges.

J.L. Brady Company LLC offers dependable, quality service to homeowners in the Quad Cities community for over 100 years. Their experienced technicians are well-trained and knowledgeable on all HVAC products, so the customers can be confident knowing that they can trust the company.

JB Industries is the premier manufacturer of American made HVAC/R tools and instruments. For over 50 years, JB Industries has been committed to providing exceptional customer service and quality, innovative products that meet industry needs and are manufactured, engineered and tested in accordance with rigid quality standards.

Pinnacle Heating & Cooling was founded in Homer Glen in 2008, and they’ve been providing superior heating and cooling services in the area ever since. They have a professional, knowledgeable, and fully trained staff, so they can trust in the quality of their work.

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.

Tempco Electric Heater Corp. is a renowned US-based manufacturer of electric heating elements, temperature sensors and controls, thermocouples, RTD's and turnkey process heating systems for industrial and commercial applications.

Temprite is a manufacturer of refrigeration components for all refrigerants including ammonia, HCs, and subcritical and transcritical CO2: coalescent and conventional oil separators, oil reservoirs, oil level controls, liquid receivers and other oil management products.

Tridan provides special machinery and tooling for heat transfer coil production, complete fin lines, fin dies, coil expanders; automatic tube benders, end sheet dies and special designed equipment for copper and aluminum round tubing; electronic air cleaner collector cell tooling.

Refrigeration and air conditioning components.