EME vs PWR

EMCOR Group Inc.

EMCOR Group, Inc. provides electrical and mechanical construction, and facilities services in the United States. The company offers design, integration, installation, starts-up, operation, and maintenance services related to electrical power transmission and distribution systems; premises electrical and lighting systems; process instrumentation in the refining, chemical processing, food processing, and mining industries; low-voltage systems, such as fire alarm, security, and process control systems; voice and data communications systems; roadway and transit lighting, and fiber optic lines; heating, ventilation, air conditioning, refrigeration, and clean-room process ventilation systems; fire protection systems; plumbing, process, and high-purity piping systems; controls and filtration systems; water and wastewater treatment systems; central plant heating and cooling systems; crane and rigging services; millwright services; and steel fabrication, erection, and welding services. It also provides building services that cover commercial and government site-based operations and maintenance; facility management, maintenance, and services outage services to utilities and industrial plants; military base operations support services; mobile mechanical maintenance and services; services for indoor air quality; floor care and janitorial services; landscaping, lot sweeping, and snow removal; other building services; vendor management; call center services; installation and support for building systems; program development, management, and maintenance for energy systems; technical consulting and diagnostic services; infrastructure and building projects; and small modification and retrofit projects. In addition, the company provides industrial services for oil, gas, and petrochemical industries. EMCOR Group, Inc. was incorporated in 1987 and is headquartered in Norwalk, Connecticut.

Quanta Services Inc.

Quanta Services, Inc. provides specialty contracting services worldwide. The Electric Power Infrastructure Solutions segment engages in the design, construction, upgrade, repair, and maintenance of electric power transmission and distribution infrastructure and substation facilities; energized installation, maintenance, and upgrade of electric power infrastructure; installation of smart grid technologies on electric power networks; and design, installation, maintenance, and repair of commercial and industrial wirings. This segment also offers other engineering and technical services; emergency restoration services; engineering and construction services for the switchyards and transmission infrastructures; engineering and construction services related to micro-grids and battery storage; design and construction solutions to wireline and wireless communications companies and cable multi-system operators; aviation services; and training for electric workers, and gas distribution and communications industries. The Underground Utility and Infrastructure Solutions segment provides design, engineering, construction, upgrade repair, and maintenance services to customers involved in the transportation, distribution, storage and processing of natural gas, oil and other products; pipeline protection, integrity testing, rehabilitation and replacement; catalyst replacement, high-pressure and critical-path turnaround, instrumentation and electrical, and piping, and fabrication and storage tank services; engineering and construction services for pipeline systems, storage systems, and compressor and pump stations; fabrication of pipeline support systems and related structures and facilities; trenching, directional boring, and mechanized welding services; and construction services for the offshore energy market, as well as designs, installs, and maintains fueling systems and water and sewer infrastructure. The company was incorporated in 1997 and is headquartered in Houston, Texas.