Sid Harvey's is a multi-disciplinary distributor company with a network of 76 branches. They handle multiple renowned brands. This company remanufactures HVAC products as well.

Siemens provides quality standard products ranging from valves and actuators to sensors and thermostats. Energy efficiency, easy handling and long lifecycles are among the essential features of every single one of their products. And open communication standards like KNX and BACnet enhance compatibility and easily allow for seamless integration into building automation and control systems.

Simon's Supply is one of the area's oldest and most established plumbing and heating supply sources. They are distributors of plumbing, heating, and cooling supplies from the top name brands in the industry, all at competitive prices.

Sinclair Supply Ltd. is the specialty products supplier to the HVACR industries that provide essential services for comfortable living environments in homes, offices, schools, hospitals and industrial facilities in Western Canada.

Slakey Brothers, established in 1939, is a wholesale distributor of Heating, Ventilation & Air Conditioning (HVAC) and Plumbing dedicated to providing the best service and value to customers in Northern & Central California, Western Nevada and Southern Oregon.

Smart Electric has been focused on HVACR components for over a decade. They provide HVAC systems' components, smart electric motors, capacitors and transformers for air conditioning, refrigeration equipment, valves, filters, heating and other appliances.

Smart Solar Energy, which has been conducting R&D studies since 2013 and set out with the principle of providing world-class Smart City Units solutions to all its customers by using the developing technology, Smart Solar Energy has become a leader in Turkey and the world in the last 6 years. It has also become the largest smart city furniture manufacturer in the region.

SMC Technologies is a provider of environmentally safe chemicals and water treatment. They deal with water treatment chemicals for boilers, cooling towers, closed systems, waste water treatment, metal finishing, specialty cleaners, and chemical feed equipment/filters; solvent replacement chemicals.

Snyder has served Jacksonville and surrounding communities since 1973. Its team strives to keep the clients comfortable at home by offering air conditioning, heating, plumbing, and electrical services.

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.

Soderholm & Associates is a manufacturers' representative (Rep) agency for the plumbing, HVAC, and water treatment industries. Their territory covers Minnesota, Wisconsin, North Dakota, South Dakota, Michigans Upper Peninsula, and Iowa.

SoftDEL is a technology company which provides engineering services for building automation, industrial automation, HVAC, smart lighting, oil and energy, and automotive domains.

Solar Supply, Inc. is a wholesale air conditioning, heating, refrigeration-parts, supplies and equipment company. They are a stocking distributor of multiple products and companies.

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.

South Carolina Air Distributors is a full line supplier of HVAC parts, supplies, as well as residential and commercial equipment. They represent the Armstrong and Concord brands of residential HVAC equipment, manufactured by Allied Air Enterprises, a division of Lennox International.

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.

Spencer Heating & Air offers great maintenance plans to ensure the system runs at peak performance all year.

Stamberger-Sender Assoc. Inc. covers the US States of New England, New York, Pennsylvania, New Jersey, Maryland, Delaware, Virginia and Ohio since 1947. They specialize in marketing portfolio to wholesale distributors, engineers, OEMs and installing contractors.

In 1946, State Water Heaters was founded by Herbert Lindahl, Sr. as a small entrepreneurial company producing coal and wood-burning stoves in a garage in Nashville, Tennessee. In the years that followed, State expanded and became a leader in the water heating industry, through steadfast commitments to seeking new materials, new technology and innovative engineering techniques.

Let the professionals from Steel T Heating & Air Conditioning inspect the HVAC system and pinpoint minor issues quickly, before they graduate into more extensive damage, disruption, and expense. The company's fully-stocked fleet trucks are never more than a phone call away, protecting residents with convenient scheduling during regular hours, and Emergency Assistance 24 hours a day, 7 days a week.

STEF is a European leader in temperature controlled logistics and transport services, The company is the link between agri-food producers and consumers. Featuring approx. 19,000 employees in 7 countries, they are dedicated to serve everyday agrifood, distribution, foodservice and seafood players with the highest standards of security, rapidity and quality.

Steiner-Atlantic has been a pioneer in the laundry, boiler and dry cleaning industries since 1959.

Sterling HVAC, the most recognized name in the game, has been producing high efficiency heating products for over 50 years. From traditional Unit Heaters to Rooftop and Indoor Make-Up Air units, Sterling HVAC has the solution to fit every residential, commercial or industrial application.

Stone Claims Group is a team of public insurance adjusters, specializing in complex commercial claims. They have years of industry expertise and the results that they have accomplished so far prove their depth of experience. They are data-hungry and stay ahead by making use of the best tools available.

Stop's Heating & Cooling is a Wisconsin heating, AC, and water heater repair, service, replacement, and maintenance company. It employs only the best HVAC technicians for furnace, AC, water heater, boiler, ductless heating, and heat pump repair or replacement.

Stulz-ATS is a globally renowned manufacturer of environmental control equipment including a full line of energy-efficient precision air conditioners, ultrasonic humidifiers, and desiccant dehumidifiers. They also provide cooling solutions and services for mission critical applications through the design and manufacture of highly energy efficient temperature and humidity control equipment for commercial and industrial applications.

Superior Boiler provides engineered energy solutions and is a leader in clean air emissions technology. Superior Boiler manufactures Scotch Marine and vertical firetube boilers for process steam, hot water and waste heat recovery, watertube and flextube boilers for industrial markets and high-efficiency hot water condensing boilers

SureFlow, by International Environmental Corp. are renowned manufacturers of hydronic fan coil systems. They also manufacture thermostats, blower coils, and floor units.

SustainUS is a nonprofit, nonpartisan organization of young people advancing sustainable development and youth empowerment in the United States. Through proactive education and advocacy at the policy-making and grassroots levels, they are building a future in which all people recognize the inherent equality and interdependence of social, economic, and environmental sustainability.