Shortridge Instruments Inc. is a renowned US-based manufacturer of AirData Multimeters, FlowHoods, HydroData Multimeters, Air Balance Instruments and Water Balance Meters.

Shupe, Carboni & Associates specializes in the introduction and promotion of selected quality products to HVAC wholesalers in Georgia, Alabama, Mississippi, Tennessee, Kentucky, and Florida. They represent ADP, Atco Flex, Nashua/Polyken Tape, RectorSeal, MagicPak(Allied Air), TRUaire, Glasfloss, Honeywell, LG Electronics, Hardcast, Soler&Palau, Tjernlund, Williams, A-Gas Refrigerant, General Filters, Milwaukee Tool, NAVAC, Cerro.

SIA Engineering Company (SIAEC) is Asia Pacific’s foremost Maintenance, Repair and Overhaul (MRO) provider. Their maintenance facilities provide complete MRO services in airframe, line, cabin, fleet management, component, as well as engine on-wing, near-wing and off-wing services across a range of engine types.

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

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.

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.

Sika Corporation, headquartered in Lyndhurst, NJ, is a specialty chemicals company with a leading position in the development and production of systems and solutions for bonding, sealing, damping, reinforcing, and protecting the construction, residential & home improvement, oil & gas pipeline and the transportation, marine, and automotive manufacturing industries. Sika's unique product technologies include concrete admixtures & fibers.

Sika USA Inc. is a renowned manufacturer of flow switches and flow meters. The company emphasizes on reliability and innovative design in small, low cost instruments for chillers and heat pumps. They also provide flow measurement instruments, electronic measuring and mechanical measuring instruments.

Sila provides solutions like air conditioning, heating, plumbing, etc, and is based out of USA.

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.

Silent-Aire is a technology driven company that designs, engineers, and manufactures hyperscale cooling and modular data center solutions. Their portfolio of solutions includes modular data centers; power room modules, turnkey modular deployments, custom HVAC (CRACs, CRAHUs, AHUs), and mission critical services.

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.

SIMO motor, founded in 1955, is a comprehensive industrial company integrating the R&D, design, production, sales and maintenance of motor products. Company is set with R&D, production, purchasing, sales, international, warehouse, after sales departments, and etc. All departments are led by professionals with years of experience in the motor industry. All teams work closely to adapt and meet the needs of the market and customers.

Simon-Aire Inc. manufactures new construction and replacement package terminal air conditioning chassis that are specifically designed to meet and exceed the demands of new construction developers, facility management, hotels, hospitals, nursing homes, dormitories and residential buildings.

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.

Simpro Software is a global provider of business management software for the trades and services industry. Since 2002, Simpro has developed a range of solutions to help businesses work smarter, provide exceptional service, and maximize their profitability.

At Sims Refrigeration they supply, install, service, and maintain commercial refrigeration & air conditioning equipment across all industries and services.

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.

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.

SINKO, a pioneer in air-conditioning technology, develops air-conditioning systems that are friendly to the environment. SINKO has become one of the industry’s top manufacturers of air conditioning systems. With a history spanning over half a century, SINKO has grown in step with the Japanese economy, gaining experience and adding to its achievements.

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.

Manufacturer of control systems, components and accessories for gas appliances.

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

SK Sales Ltd, part of the Airvance Group, is an air-handling supplier with over 25 years of experience in the heating, ventilating, and air conditioning (HVAC) sectors. Established in 1993 it has full UK coverage and is synonymous with customer choice, industry knowledge, product expertise, and most importantly customer service.

Skil – aire, division of Tithe Corp is a wholly-owned subsidiary of Baltimore, Maryland based Tithe Corporation, an environmental control and air conditioning products and services company that delivers integrated product technologies for cooling and enthalpy control solutions.

Skills Training Group is a provider of heating, electrical & utilities training courses. They focus on delivering high quality, employer-led training that sets their students up for entering the heating and utilities workforce in Scotland and the surrounding area.

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.

S.K.M Air Conditioning LLC is a premier name in the air conditioning industry. They provide Chillers, Air Handling Units, Packaged Units, Split AC Units, Fan Coil Units, Condensing Units, Ducted Mini Splits, Ducted Split Units, Air Cooled Condensers, Swim Pool Dehumidificater, and VRF Systems.