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.

Shook Mfg. Products Inc. specializes in fasteners and tools for over fifty years now. They provide products with high-quality design, performance and usability. Their range of products include tools & hardware for the HVAC/R, roofing, and many other home improvement industries.

Shop Data Systems (SDS) has been servicing the metal fabrication industry since 1975. Throughout our decades in the industry, have continually introduced new products and services designed to help business owners across the country and around the world.

Shop Data Systems, Inc. CAD/CAM advanced industrial nesting software has been servicing the metal fabrication industry since 1975. They offer a myriad of CAD/CAM industrial nesting software modules that service general fabrication, product manufacturing, HVAC duct-work fabrication, blowpipe contractors and structural steel plate processors.

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 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.

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.

SkyCool Systems is a clean energy company focused on energy efficient solutions and new methods for cooling.

Smart Air is a Houston-based HVAC contractor offering expert heating and cooling services for homes and businesses. Their skilled technicians handle HVAC repair, installation, and maintenance for all systems. They provide fast same-day service, 24/7 emergency response, and maintenance plans. Known for reliability and superior service, they ensure customer satisfaction.

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

Smart Air offers HVAC maintenance, repair, and installation for homes and businesses. They also provide emergency Heating & AC repair, 24/7!

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.

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.

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.

Smith Plumbing, a cornerstone of the Phoenix East Valley community, has provided unparalleled plumbing and HVAC services to both residential and commercial clients for over half a century. As a family-owned and operated business, they pride themselves on their commitment to excellence, reliability, and superior customer service, ensuring every job meets our high standards.

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.

Soter Technologies, LLC., named for the Greek God of safety, deliverance, and preservation from harm, provides the extra sense to stay aware of threats. Utilizing a combination of superior sensor technology and software solutions, we can instantly identify environmental and social anomalies across a wide range of situations.

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

From energy storage to transportation electrification, SCE employees are working on innovative projects that will help cut emissions and greenhouse gases to provide cleaner air for everyone. At SCE, they provide electricity and rebates and incentives for lighting, food service technology, HVAC, air conditioning and related electric appliances and much more.

Southern Comfort Mechanical of Frisco are the AC repair and AC installation service professionals in Frisco, Texas!

As your local Navarre HVAC contractor and temperature control specialist, Southern Efficiency is ready to earn customer's trust and deliver the best service in the industry. They want to be the “Go-To” Resource for customer's home or business when it comes to heating and air conditioning. No project is too large or small for their team to handle, and they even offer emergency repair and replacement to keep customer's property cool day and night.

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.