The Sheet Metal and Air Conditioning Contractors’ National Association (SMACNA) is an international trade association representing 1,834 member firms in 97 chapters throughout the United States, Canada, Australia, and Brazil. A leader in promoting quality and excellence in the sheet metal and air conditioning industry, SMACNA has offices in Chantilly, VA., which is outside of Washington, D.C., and on Capitol Hill.

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.

Envicool is a China-based foremost provider of equipment cooling solutions for telecom sites and data centers, energy storage, Telecom 5G base station cabinet, healthy environment, Industry Automation, EV Bus & Rail Transit, EV Cold Chain Logistics, EV car charger, Electronics, etc.

Sicat srl produces and installs ducts in galvanized sheet, stainless steel, aluminum and PAL with rectangular and circular section, for the conveyance of air.

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.

SIG Group is the globally renowned packaging solutions provider that follows the company's mission of moving towards a more sustainable world.

Since 1989 SIM ENGINEERING SRL has been dedicated to the creation of air conditioners to "improve the climate" of the control systems of production processes.

Sinergia mainly turns to Oil & Gas, Petrochemical, Energy, Chemical, Steel industries by providing engineering and manufacturing of packaged instrument air systems and gas generator plants.

Sirius Buying Group will get ahead of the competition with its collective trade purchasing power of more than £120 million+. Currently comprising 188 members and 250 retail outlets, Sirius by virtue of its members is able to facilitate the UK with an extensive collection of home appliance and kitchen retail brands. Through specially negotiated terms with its preferred suppliers, Sirius members are guaranteed to benefit from improved margins.

Sital Klima Industries Srl provides solutions like Air Handling, Cooling Towers, Air Dehumidifiers, Ventilation, etc and is based out of Italy.

Smai Service is at the forefront of innovation and efficiency, and guarantees customers a range of HVAC equipment choices in the plumbing and heating sector, for over 20 years.

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.

SmartAC.com, Inc. partners offer next-level service with a more proactive approach to HVAC & plumbing. Algorithms are powered by 24/7 data on HVAC performance and water leak/clog detection, allowing them to streamline the experience for homeowners while aiding contractors in fostering long-term homeowner loyalty.

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.

Sogefi designs, develops and produces flexible suspension components, air & cooling systems as well as filtration systems (both for the Original Equipment and the Aftermarket channels).

Founded on February 28, 1992, Standard Tech specializes in the construction of industrial refrigeration systems, refrigerated structures, industrial refrigerators and clean rooms and for the food industry and for all sectors sensitive to air contamination.

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.

Stefani Spa operates on the world market for commercial and industrial refrigeration and air conditioning, manufacturing air cooler units, blast chillers, condensers and dry coolers.

Founded in 1960, Stevens Equipment Supply are a wholesale distributor of equipment, parts, and supplies to diverse industries, including Residential and Light Commercial Heating & Air Conditioning, Commercial Food Service, Hospitality and Refrigeration, with headquarters based in Eagan, Minnesota, USA.

Storengy is a subsidiary of the ENGIE Group, which is active in natural gas storage and renewable gas production and storage.

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.

STULZ is one of the world's leading solution provider of energy efficient temperature and humidity management technology, specifically for mission critical applications.

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.

The Sustainable Energy Association are a member based industry body offering innovative policy solutions that link up building-level technologies and the wider energy system to achieve a low carbon, secure energy future for the UK, benefits for UK consumers, and commercial growth for businesses working in the sector.

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.

Switch2 Energy Limited is the UK’s most experienced and capable provider of end-to-end solutions for heat networks. They make a success of heat networks owned by local authorities, housing associations and private developers. They also help to optimize energy efficiency, manage renewable energy, and focus on well-performing schemes, while minimizing costs to the resident.

Symbio Energy is a full service energy consulting firm serving companies across all industries. Their expertise lies in finding the best energy management solutions in the deregulated energy markets throughout the United States of America (USA).

Synecore was established by Paul Thomas and Adrian Eade to meet what they felt was a market for professional M&E contractors, with in-house expertise in both HVAC and electrical engineering across the UK. Set in the rural Kent countryside purpose-built head office is the hub of nationwide infrastructure. It’s where develop electrical and mechanical plans for some of the UK’s largest roll-out programs for clients such as Leon, Frankie and Benny’s.