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.

SPC is a British manufacturer specializing in supplying heating and cooling solutions. Founded over 30 years ago, they present a portfolio that includes a range of products in the following categories: Heating and cooling coils, Fan convectors, Trench heaters, Radiant heating and cooling, Air curtains, Heat pipes.

Specialist Ventilation Services Limited was formed in 1998 by Andy McArthur who is actively involved in new bespoke product manufacturing, development and designs.

Spirax Sarco is a pioneer in steam system management. The Company provides a broad range of fluid control products, engineered packages, systems expertise, and site services for its diverse range of over 100,000 industrial and institutional customers.

Spirotech is the trusted expert in total heating and cooling system protection, analysis and water conditioning with 60+ years of experience; offering a comprehensive range of air, dirt and chemical solutions for domestic, commercial and industry applications.

Spunstrand Inc. is a renowned manufacturer of fiberglass reinforced plastic ductwork for underslab HVAC applications, and industrial duct products such as dampers, carbon scrubbers, mist/grease eliminators, and FRP tanks.

SPX Corporation is a supplier of highly engineered products and technologies, holding leadership positions in the HVAC, detection and measurement, and engineered solutions markets.

Square M Group has been servicing engineers, designers, architects, mechanical contractors and end users for over 45 years by providing a number of highly efficient and solution based products to the HVAC industry.

At ST8 Wide Electrical, their team of experienced and reliable Toowoomba electricians has covered all services that suit the needs and budget. They are Hazardous Area Qualified and have experience in a variety of scenarios.

Founded in 1994, Standard Metal Products Manufacturing is a globally renowned manufacturer of yellow label products for the HVAC industry. They specialize in Balancing Dampers, Control Sealed Dampers, Back Draft Dampers and Louvers.

Star Refrigeration is a globally diversified cooling, heating, freezing, mechanical and electrical group of companies. Star's cutting-edge products deliver a perfect economic, environmental and social balance for the sustainable development of its customers' businesses and the communities they operate in.

Steril-Aire, ISO Certified in both 9001:2015 & 14001:2015, launched UVC for the HVAC industry in 1994. Steril-Aire is globally renowned in the development of high-performance UVC solutions for air and surface decontamination.

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.

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

Strobic Air Technologies provides safe, practical, cost-effective, and energy-efficient solutions for critical air exhaust applications. Their systems offer reliability as well as long service life.

Sub Zero Heating and Cooling Ltd is Duncan’s Heating & Air Conditioning Company Offering trusted professional HVAC system maintenance, installation, replacement, and repairs.

Sudlows are a global specialists in the design, build and maintenance of energy efficient and sustainable critical infrastructure environments. Their air conditioning and cooling technicians can build bespoke site-specific precision cooling and ducted services with an environmental focus on sustainable and energy efficient cooling.

Sun Kool Air Conditioning provides a complete line of HVAC services including the design and installation of new systems, 24/7 emergency repair services, preventative maintenance plans, and indoor air quality services.

Sunbelt Rentals knows how to help customers make it happen. They provide General Tools & Equipment, Industrial Heat, Shoring Solutions, Pump Solutions, Ground Protection, Flooring Solutions, Oil & Gas Services, Industrial Services, Power & HVAC Services, and much more.

SunEarth’s strength lies in the engineering, manufacturing, and distribution of world-class solar water heating collectors, mounting hardware, ancillary components, and integrated systems at competitive prices for each channel customer.

Super Tower Industries Private limited has invested into technology and business venture that incorporated the traditional construction’s MEPS (mechanical, electrical, and plumbing & sanitary) systems into a Digital Twin – IoT intelligent system.

Super Vac is the ventilation equipment manufacturer for firefighting and industrial applications. A one-stop-shop for all things ventilation, Super Vac equips personnel with industry-specific equipment and the widest lineup of positive and negative pressure ventilation fans, spanning from 8- to 80-inch blades, including the revolutionary Super Vac battery fan that works with DeWalt or Milwaukee.

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

Superior Sensor Technology was established with the objective to revolutionize the high-performance, cost-driven pressure sensor market by developing integrative, high-performance, cost-efficient solutions for industrial, HVAC and medical applications. The company’s technology is based on a proprietary architecture called NimbleSense™, that significantly improves overall sensor performance and adds exclusive application specific system features.

Surgically Clean Air is a pioneer in the high-end, premium, stand alone, air purification industry. Their stylish, ultra-quiet, robust technology, premium-grade air purification systems are best suited for most industries.

Suzhou Tongda Machinery Co., Ltd. has been focusing on the research, development and product application of extrusion blow molding machines. It is the technical enterprise for the plastic extrusion blow molding machine to integrates R&D, production, and sales.

Swegon Group is a pioneer in energy-efficient ventilation and indoor climate products and systems. It offers solutions for ventilation, heating, cooling, and climate optimization.

Swift Air Ventilation Ltd designs and builds complete systems for well known companies throughout Norfolk, and know what it takes to keep them working efficiently. Regular checks and cleaning should be carried out on filters, duct-work and equipment