Comfort Systems USA

J & S Mechanical Contractors is a specialized construction company that focuses on mechanical utilities, design, and commercial construction services. They cater to a diverse range of clients, including government, industrial, institutional, and commercial sectors. The company's services encompass project management, construction, renovation, and installation of various mechanical works such as plumbing, heating, and air-conditioning systems.

Summit Industrial Construction, LLC is an engineering, procurement, and construction (EPC) company based in Houston, Texas, with an additional office in Atlanta, Georgia. Founded in 1996, the company specializes in providing comprehensive EPC services tailored for the oil and gas, power, and chemicals industries. Its offerings include structural steel erection, mechanical construction, piping fabrication and installation, and millwright services. Summit Industrial also engages in direct-hire construction services, staff augmentation, and plant maintenance, ensuring that clients receive the support needed for their projects while maintaining a strong focus on safety and ongoing improvements.

Edwards Electrical & Mechanical is a mechanical and electrical contracting firm that specializes in designing and installing industrial machinery and electrical systems. The company provides a comprehensive range of services tailored for commercial and industrial clients, including mechanical, electrical, automation, plumbing, general construction, and refrigeration installation and maintenance. Additionally, Edwards Electrical & Mechanical offers fleet maintenance and power generator installation services, along with facilities management. By delivering reliable and efficient solutions, the company aims to meet the diverse needs of its clients in the industrial sector.

Turbine Air Systems designs and manufactures modular cooling and energy systems for the power generation industry, the district, commercial and industrial process cooling industries, and the industrial sector. The company specializes in high-efficiency standard product designs optimized for low life cycle cost performance. Their product capabilities include chilled water systems, air-cooled systems, clean heat and power on-site energy systems, and industrial waste heat solutions.

Walker TX is a family-owned company that provides commercial electrical, network, end-user, industrial and related services.

DynaTen provides engineering, mechanical contracting, and maintenance services in North Texas.

Environmental Air Systems, LLC is a mechanical contractor and manufacturer specializing in custom-built heating, ventilation, and air conditioning (HVAC) equipment. Founded in 1953 and based in Greensboro, North Carolina, the company offers a wide range of products, including ductwork, piping fabrication, plumbing solutions, and air handling units. Environmental Air Systems also provides off-site manufacturing services, producing equipment such as central utility plants, data center products, and electrical solutions, which are designed to meet specific customer specifications and shipped globally. The company serves various industries, including healthcare, technology, pharmaceuticals, and education, and offers comprehensive services in engineering, design, and project management. Environmental Air Systems operates as a subsidiary of Comfort Systems USA Inc.

Granite State Plumbing & Heating is a provider of HVAC, plumbing, and mechanical systems maintenance services based in Weare, New Hampshire. The company specializes in the installation and servicing of heating, ventilation, air conditioning, and refrigeration systems. It offers comprehensive maintenance for diagnostic equipment and instrumentation, ensuring that industrial, institutional, and multi-unit residential clients receive timely technician dispatches to minimize downtime. With a focus on delivering high-quality service and value, Granite State Plumbing & Heating aims to meet the diverse needs of its clients in the HVACR sector.