Headquartered in New Castle, Pennsylvania, Berner Air Curtains combines engineering expertise, state of the art equipment, and highly skilled workers to design and produce the most efficient, best looking, reliable air curtains on the market.

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.

Bespoke Ventilation Systems Ltd is a company with a team of experienced professionals. Their team specializes in the installation of ventilation systems for commercial kitchens and industrial sites. They have worked on major projects in the past, and they offer a complete package for all types of buildings.

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.

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.

Bharat Refrigerations Pvt Ltd has strived its utmost to provide solution to the cooling needs and requirements of their valued customers. Designed in compliance with verified industry standard, their products are widely acknowledged for maximum cooling efficiency, low power consumption and longer service life.

The Biddle name has been associated with heating and innovation since 1929, and has had its UK manufacturing base in Nuneaton since 1946. Within the building services industry, the Biddle name is recognized and respected as a leading European business, specializing in the supply of high performance and ‘engineered to last’ heating, ventilation, air heater and air curtain products and solutions.

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 Texas Comfort delivers top HVAC solutions for homes and businesses in Houston, TX. Known for getting the job done right, they tailor systems to fit their needs, offering furnace and AC services in Houston and nearby areas. As the #1 local expert, they ensure excellent service and customer satisfaction. Their team is committed to meeting their heating and cooling needs.

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.

Bin Dasmal Contracting is an ISO 9001:2015, ISO 14001:2015, ISO 45001:2018 certified company with over three decades of experience in offering MEP (Mechanical, Electrical, and Plumbing) services. These services include MEP installation, refurbishment, retrofit, and maintenance. They offer the dual expertise of Design & Build MEP, Facilities Management, and Energy Management Services under one establishment.

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.

Birko Electrics started life just prior to World War II, making soldering irons for local markets. During the war, a need was identified for some from of portable food and drink heating vessel. Birko expanded further, making industrial elements for washing machines and air conditioners. The element plant developed elements for Birko's domestic appliance market, which further improved the quality and efficiency of its products.

BITZER is an internationally leading, independent specialist for refrigeration and air conditioning technology with activities in refrigeration, air conditioning, process cooling, transport as well as services. The BITZER Group caters to the cooling of temperature-sensitive goods and reliable indoor temperature control with energy-efficient and high-quality products and services.

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.

Blakemore Plumbing & Heating is one of the plumbing, heating, and renewables specialists in Sheffield, offering services throughout the whole of South Yorkshire and beyond. Blakemore Plumbing & Heating is a pioneer in the installation of renewable technology in the forms of solar thermal and air source heat pumps and is a mixergy-approved installer for its solar PV/grid smart hot water cylinders.

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.

Consistent high Quality is paramount importance at Blue Cold Refrigeration and as a result of which they reached leadership position in the cold room and cold storage segment.

Blue Frost only installs equipment like Trane furnaces and Air Conditioners. They also install the industries best supporting products to enhance the comfort such as thermostats, humidifiers and air cleaners to keep the home clean and comfortable.

Blue Star Heating and Air is a globally renowned air conditioning and commercial refrigeration company with over seven decades of experience in providing expert cooling solutions. It fulfills the cooling requirements of a large number of corporate, commercial as well as residential customers, as well as offers products such as water purifiers, air purifiers and air coolers.

Looking to the world challenges coming from Climate changes and Environment protection regulations, BlueBox develops Products and Solutions for Commercial Comfort Cooling and Heating, Technological Cooling, and Data Cooling, bringing to the market innovative ideas and offering the client the best Total Cost of Ownership for their projects.

Bluon is a fast-growing company with a mission to bring unparalleled innovation to the HVAC industry by empowering HVAC technicians.

BMIL specializes in the design, engineering, and packaging of commercial and industrial refrigeration projects worldwide. With over 65 years experience in virtually every area of the world, our capabilities are unmatched by any other company.

Bock is one of the world's technologies and innovation pioneers in the development of environmentally friendly, economical solutions in the field of refrigeration and air conditioning technology including heat recovery with one of the world's largest portfolios of compressors for natural refrigerants such as CO2 (R744), hydrocarbons and other low GWP refrigerants.

Bodhi: a simple, comprehensive solution to building technology control. Bodhi is a cloud-based building management platform that centrally monitors, analyzes, schedules, and controls all the technology on the property from a single interface: lighting, climate, water, electrical metering, audio, video, leak detection, and other crucial technologies.

Boiler Central provides boiler cover - boiler, heating & home care. From buying boiler online through to installation, Boiler Central makes everything as simple and efficient as one can imagine.

BoilerMag provides magnetic filters for domestic, industrial, commercial heating, and cooling systems.

Bois D'Arc International Inc. provides Air conditioning and refrigeration evaporators and condensers water coils, steam coils and special coils; manifolds and headers.