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.

Illinois Tool Works (ITW) is a Fortune 200 global multi-industrial manufacturing leader with revenues totaling $14.5 billion in 2021. The company’s seven industry-leading segments leverage the unique ITW Business Model to drive solid growth with best-in-class margins and returns in markets where highly innovative, customer-focused solutions are required.

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.

Modern Day Comfort, Inc. is into Heating and Cooling solutions and is based out of the USA.

At My Guy HVAC Heating and Air Conditioning, they provide solutions like Heating, Cooling, Indoor Air Quality, Thermostats, etc, and are based out of the USA.

At New Vista Heating & Air Conditioning Inc, they're a local heating & air conditioning company that's been providing top-tier heating & cooling services to Elk Grove Village, Schaumburg, and all surrounding suburbs for over 19 years.

Established in 2009 by Nicholas and Linda Bobel, NLB Heating & Cooling is a family-owned and operated business. They are the premier HVAC Contractor in the Joliet and Plainfield, Illinois area in the United States of America.

Nortek Environmental Inc. IS Naperville's #1 HVAC Heating and Cooling repair specialist. They specialize in New Construction, as well as Renovations, Light Commercial and are fully equipped to handle all areas of service. Nortek Environmental. Inc. is a family owned business with over 100 years of combined experience

Established in 1927, North Town Home Services provide expert appliance repair service, as well as repair and replacement services. From their highly skilled technicians to their professional sales and support staff, it is their hope that you will be absolutely satisfied with this one-of-a-kind, world-class experience.

A family owned business, Olson Comfort Services takes pride in offering the highest quality heating and cooling services. They are licensed, bonded, and insured.

One Hour Heating & Air Conditioning of Lake Villa provides home owners throughout the Round Lake region with reliable and efficient HVAC services and solutions.

Palatine Heating & Cooling Company offers quality service in Palatine and the surrounding suburbs. They provide installation, repairs and maintenance services.

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.

SquareHVAC have over 25 years of experience in the heating, ventilation, and air conditioning industry (HVAC). They believe in quality workmanship and customer service. They offer 24-hour emergency service throughout the year, including heating, ventilation system and air conditioning (HVAC).

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.

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.

They will provide a diverse line of quality products at competitive prices. they will constantly strive to improve product design and increase efficiency. We will continue to develop new products to meet a changing market.