Robertshaw Climate is an industry pioneer in HVAC line voltage, low voltage mechanical, digital, and communicating thermostats for the residential and light commercial marketplaces.

Rockwell Automation helps manufacturers to succeed and grow with industrial automation control and information solutions designed to give the customers a competitive advantage.

RunTru is a dependable HVAC brand, but at a price point that makes it the answer to heating and cooling needs. This new product is also designed, engineered, tested, and assembled in America.

Rush Health Systems provides health care services, ventilators, breathing apparatus and other medical equipment for the medical and rescue services. They also offer electronic health information software from Epic, leveraging Ochsner’s comprehensive tele-medicine capabilities, access to Ochsner’s nationally recognized billing systems, and other investments in state-of-the-art medical technology.

Rushing is an MEP (mechanical, electrical & plumbing) engineering and sustainability consulting firm offering a full spectrum of integrated services which includes energy analysis, lighting design, and commissioning. They provide Mechanical engineering, electrical engineering, plumbing engineering, sustainability consulting and much more.

Ruskin is a manufacturer of innovative air control products, including manual, fire, smoke, combination fire/smoke, and industrial dampers, louvers, air measuring stations, sound attenuators, diffusers, and Energy Recovery Ventilators.

Ruskin Rooftop Systems serve HVAC original equipment manufacturers, HVAC distributors and a wide variety of national account customers, including national retailers and restaurants. Their products include Energy Recovery Ventilators, economizers, roof curbs, concentric diffusers, adapter curbs.

Samm's Heating and Air Conditioning was founded on the five fundamental principles of honesty, professionalism, punctuality, cleanliness, and superior customer service.

Sandia Group, Inc. offers premier sales representation to all sectors of the HVAC and Refrigeration markets throughout the state of New Mexico.

Sandium is passionate about creating the perfect indoor climate for their home. As a renowned HVAC company in San Jose, they are dedicated to creating comfortable living spaces that can truly call home. As a full-service HVAC company, the offer design, engineering, and installation services for heating & air conditioning systems, zone systems, high-efficiency water heaters, Home Performance contracting, energy auditing, and ventilation services.

Sanhua is a manufacturer of HVAC&R controls and components, with a global presence and over 30 years of experience. Working together with the largest companies in the automotive, appliance, and HVAC&R sectors,

Santa Fe Indoor Air Quality Solutions is located in Madison, Wisconsin, and is part of Therma-Stor. Therma-Stor was established in 1977 to apply advanced heat transfer technologies to residential and commercial markets. In addition to the Santa Fe brands, Therma-Stor® also manufactures Quest™ commercial dehumidifiers and the Phoenix™ line of restoration equipment.

Sensata Technologies is a pioneer suppliers of sensing, electrical protection, control and power management solutions. Sensata's products improve safety, efficiency and comfort for millions of people every day in automotive, heating, air-conditioning and ventilation, data, telecommunications, recreational vehicle and marine applications.

Sera™ is the fastest growing preferred software solution for the world's most successful plumbing, HVAC, and electrical companies who are ready for the new ERA in Service Automation!

Service Experts is a big company with home-town heart. They’re passionate about making the world a cozy place to live. Whether they’re warming, cooling, or making the water run, they take great pride in keeping the customers and communities comfortable and satisfied.

Service Plus is a customer-service focused heating, cooling and plumbing company with a client base dating back to 2003.

The Shafer Services Plus family (Shafer) has been a pioneer in building and servicing San Antonio’s public and private heating, cooling and plumbing infrastructure for more than a century.

Shape Technologies Group is the global leader in ultrahigh-pressure process solutions. They are dedicated to providing the highest level of customer satisfaction whether they are a first-time or long-time partner. They take pride in the commitment to supporting customers throughout the lifecycle of the UHP solutions.

The Shenyang Blower Works Group Corporation (SBW) dedicates itself to the research, development, design, and manufacturing of turbomachinery including centrifugal/axial/reciprocating compressors, centrifugal blowers and pumps. The main areas of its application are oil & gas, chemical, metallurgy, power generation, etc.

Sila Heating & Air Conditioning was started in 1989 by Jack Rothacker, third-generation heating, and air conditioning professional who took the company from a family business to one of the largest and most respected regional heating and air conditioning companies in the northeast, with operations from Maryland to Massachusetts.

SkillsUSA is a partnership of students, teachers, and industry working together to ensure a skilled American workforce. SkillsUSA is working to attract more students into construction, electrical, plumbing, HVAC and appliance repair programs.

Smart Air is a full-service HVAC contractor offering detail-oriented installations and control over multiple facets of the project.

Smart Choice Heating & Cooling, Inc. is a family owned business, dedicated to providing trustworthy and quality HVAC service across Vancouver, WA, Camas, Ridgefield & Brush Prairie.

SMS Indoor Environmental Cleaning Inc provides high-quality mold and indoor environmental services. With over 30 years of experience in the field, the company's professionals will do all it takes to make any property safe and hygienic.

SO Energy is a London-based supplier of gas and 100% renewable electricity to homes around Great Britain and believes in honesty, transparency, and enabling their customers to make a move towards net zero. It is the only energy supplier that empowers customers by allowing them to vote on how it sources its renewable electricity.

SoCal Airflow Pros is a veteran-owned and operated heating and air conditioning company located in Orange County, California. SoCal Airflow Pros is dedicated to proving that integrity, respect, and professionalism are all a recipe for success within every trade.

South Air Heating & Cooling has been providing high–quality, professional heating and air conditioning service throughout the Cartersville, Marietta and surrounding GA areas since 2003. In that time they have developed a reputation as a trustworthy, dependable local service provider.

Southern Air offers design, installation and service of heating, air conditioning, electrical, plumbing and piping systems for commercial and industrial facilities.

SoCalGas is the natural gas distribution utility in the United States. They provide natural gas for heating, hot water, cooking, drying clothes or other uses. They also provide solutions such as solar water heating, power generation, energy efficiency, building management, air quality services and much more.

Southern HVAC provides Air Conditioning, Heating, Electrical, and Plumbing repair and maintenance services throughout Florida, Georgia, South Carolina, North Carolina, Texas, Kansas, and Missouri. Its ongoing objective is to continue growing and expanding to new markets. Comprising a set of distinct service brands, Southern HVAC Corp. is a provider of essential maintenance, repair, replacement, and new installation services.