Berner International is the manufacturer of air curtains/air doors, helping customers save energy and create healthy, comfortable environments for over 50 years.

Berry Global provides Air Filteration solution. They also provide meltex meltblown materials which serves a wide variety of air applications from room air purifier to facemasks to cabin air filtration.

At Besco Air Inc. Heating & Cooling, they value their employees and treat the customers the way they would like to be treated. They aim to provide the best HVAC service in the Chicagoland area. As a full-service air conditioning company, they provide a range of professional residential and commercial services.

Best Care was founded in 2009 by Brian Reed and are a family-owned and operated company serving the Memphis, Tennessee area, in USA. The business has nearly 90 full-time employees serving the metro areas of both Memphis, TN, and Huntsville, AL, with a customer base that has grown to over 40,000 home owners.

Since 1988 Best Choice Supply Company has provided quality material with extraordinary customer service to the area's BEST comfort solution providers.

Best Companies Group, a division of BridgeTower Media, works with local media and publishing partners to establish "Best Places to Work"​ programs in order to identify and recognize organizations in a defined geographical area or industry that successfully create and maintain workplace excellence.

Best Plumbing Heating and Cooling Contractors is here for all the HVAC needs. They service the Capital Region and surrounding areas for commercial or residential heating, cooling, air conditioning, and plumbing repairs and installs.

Optimize the spray process and save resources with BETE spray technology. BETE is a pioneer in all areas of spray nozzle engineering, manufacturing, and applications. Since 1950, BETE has put nozzles into deep sea, deep space, and everywhere in between. Their spray technology innovations improve sustainable operations in a broad range of industries – including Food & Beverage Processing, Chemical Processing, Energy, and Pollution Control.

BG Energy Solutions is a UK based, Building Management System specialist, managed by a team of engineers to provide a unique range of automated control, energy solutions and remote support services to proactively improve comfort, well-being and building environment, while also helping to reduce operating and energy costs.

BG Products, Inc., is committed to maintaining vehicles through high-quality automotive maintenance services for fuel systems, engines, transmissions, brakes, power steering, cooling, battery, driveline, and climate control systems.

Bidtracer.com was started by two engineers to provide a sales solution for the construction industry. One of the partners, an HVAC contractor, never found a solution that was designed for the second-tier (mechanical contractors, electrical contractors, etc.) to third-tier (manufacturer's reps, sub and specialty contractors, etc.) relationship. Therefore, the search for a solution was born.

Big Ass Fans is the preeminent designer and manufacturer of ceiling and vertical fans developed to provide significant energy savings and improve occupant comfort year round.

Biltwel Duct Cleaning Equipment Mfg. Inc. manufactures duct cleaning equipment, truck mount units and many more. They provide free training with every equipment purchase.

BIM&CO is the ultimate digital construction community, allowing content production and data management for both AEC & Manufacturers. With leading-edge technology, they develop platform-agnostic solutions to enable seamless collaboration beyond standards, languages and softwares. In partnership with the greatest manufacturers of the industry, they're helping AEC players to build a better world together.

Biochemica Water is the largest independently owned water treatment company, providing water and wastewater treatment services for a wide range of industries. A well-trusted water treatment expert, Biochemica Water has a superior technical understanding of the important role safe, clean and protected water plays in processes across all industries.

Bioclimatic uses all of the states of air cleaning technologies – from gas phase media to ionization to PCO to advanced powered filtration. Their manufacturing capabilities enable them to offer a comprehensive product line that includes stand-alone products; equipment to be installed in other HVAC systems; and complete, custom engineered air handlers and air cleaning equipment.

The Bioenvironmental and Structural System (BESS) Laboratory is a research, product-testing and educational laboratory. The lab provides unbiased engineering data to aid in the selection and design of agricultural buildings and assists equipment manufacturers in developing better products.

BioZone offers chemical-free air and surface HVAC solutions for cleaning both residential and commercial enclosed spaces. BioZone Scientific International Designs, sells, and installs Chemical Free Purification Systems to Eliminate Viruses, Bacteria, Fungus, Other Microbial Growth, and Odors.

Birch Hearth & Home Center is the one stop shop that provides heating and cooling sales and service to the Tri-State area of Lowa, Illinois and Wisconsin. They offer years of experience in installation and service of the furnace and air conditioning needs.

Bison® has helped customers differentiate their products by developing robust, flexible and durable motors, blowers and pumps under the brand names – Bison® Gearmotors, Lamb®, Nautilair®, Prestolite Motors, ROTRON® Regenerative Blowers, ROTRON® Transportation, and Windjammer®.

Bitron HVAC Division is part of Bitron Group, a privately owned multinational company leader in the research, development and manufacturing of mechatronic devices and systems for the automotive, appliance, HVAC and energy industries

Welcome to BITZER; a global leader in refrigeration compressor manufacturing. Welcome to the Heart of Freshness

BITZER US, Inc. provides OEM and aftermarket customers with Screw Compressors to 320 HP, Recips to 50 HP, Scrolls to 40 HP and ASME Shell and Tube Heat Exchangers. With its environmentally friendly solutions and innovative electronic products, BITZER is driving the refrigeration and air-conditioning industry around the world.

Blackhawk Supply is a privately held small business located in the Midwest, with over 30 years of experience in the HVAC Controls Industry. Their team consists of professionals dedicated to provide top-of-the-line products, excellent technical expertise and exceptional customer service. As a leader in the HVAC controls industry, they specialize in offering a diverse range of HVAC parts, including sensors, valves, actuators, and more.

Blalock Heating & Air is a family-owned and operated company offering a wide variety of products and services to meet all residential and commercial heating, cooling, and ventilation needs. With over 40 years of experience, their professionals deliver a range of effective services at fair prices.

BLC Industries Inc. is a Manufacturer of air filtration: components; filters; custom and standard filtration equipment (frames and housings); automatic filtration equipment; purification/absorption; moisture separation; HEPA equipment and HVAC accessories.

Blocksom & Co. is a diversified manufacturer of a wide variety of natural fiber products. These products are marketed throughout the continental United States and Canada to supply the demands of industries including heating and air-conditioning, furniture, U.S. government and military, construction, and aquaculture.

In March 2003, when Blue Air started in the foodservice equipment industry, it opened with a couple lines of refrigeration equipment and a few employees in a very small office and warehouse space. Ever since these humble beginnings, Blue Air has grown steadily each year by constantly adding new products and new customers. It has now become one of the major suppliers in the industry with multiple distribution warehouses and sales offices.

Blue Flame Heating & Air Conditioning offers services like A/C installation & repair, furnace installation & repair, maintenance & tune-up, system replacement, heat pump repair, indoor air quality check, thermostats, water heater, electrical repair & troubleshooting.

Blue Frontier has developed a truly smart air conditioning system. It change the concentration of a salt-solution to create cooling with minimal energy requirements. This means that the air conditioner will require less than half the electricity than a conventional system.