EMCOR Group, Inc. provides construction and facilities, building, and industrial services in the United States and the United Kingdom. It offers design, integration, installation, start-up, operation, and maintenance services related to power transmission, distribution, and generation systems; energy solutions; premises electrical and lighting systems; process instrumentation; low-voltage systems; voice and data communications systems; roadway and transit lighting, signaling, and fiber optic lines; computerized traffic control systems, and signal and communication equipment; heating, ventilation, air conditioning, refrigeration, and geothermal solutions; clean-room process ventilation systems; fire protection and suppression 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. The company also provides building services that covers commercial and government site-based operations and maintenance; facility management, maintenance, and services; energy efficiency retrofit services; military base operations support services; services for indoor air quality; floor care and janitorial services; landscaping, lot sweeping, and snow removal services; vendor management and 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; modification and retrofit projects; and other building services, including reception, security, and catering services. In addition, it offers refinery turnaround planning and engineering; welding; overhaul and maintenance; instrumentation and electrical; and renewable energy services. The company was incorporated in 1987 and is headquartered in Norwalk, Connecticut.

Brookfield Business Corporation owns and operates services and industrials operations in the United Kingdom, Australia, the United States, Brazil, and internationally. The company offers cloud-based software as a service solutions to dealerships and original equipment manufacturers across automotive and related industries; and operates private hospitals. It also provides private sanitation services, including collection, treatment, and distribution of water and wastewater to a broad range of residential and governmental customers; and construction services for landmark buildings and social infrastructure. The company was incorporated in 2021 and is headquartered in New York, New York.

JetBlue Airways Corporation provides air transportation services. The company operates a fleet of Airbus A321, Airbus A220, Airbus A321neo, Airbus A320 Restyled, Airbus A320, Airbus A321 with Mint, Airbus A321neo with Mint, Airbus A321neoLR with Mint, and Embraer E190 aircraft. It also serves 100 destinations across the United States, the Caribbean and Latin America, Canada, and Europe. In addition, it operates airport lounges. The company was incorporated in 1998 and is based in Long Island City, New York.

Air Transport Services Group, Inc., together with its subsidiaries, provides aircraft leasing, and air cargo transportation and related services in the United States and internationally. It operates in two segments, Cargo Aircraft Management Inc. (CAM) and ACMI Services. The company offers aircraft, flight crews, aircraft hull and liability insurance, and aviation fuel services; and aircraft maintenance and modification services, including airframe modification and heavy maintenance, component repairs, engineering services, and aircraft line maintenance. It also provides equipment maintenance services; cargo load transfer and package sorting services; crew training services; and airline express operation, line and heavy maintenance, and ground handling services. The company's ground support services include labor and management for cargo load transfer and sorting; design, installation, and maintenance of material handling equipment; leasing and maintenance of ground support equipment; general facilities maintenance; and resells aviation fuel at the air park in Wilmington, Ohio. Further, the company operates cargo and passenger transportation business; resells and brokers aircraft parts; and performs passenger-to-freighter and passenger-to-combi conversions of aircraft. It provides its services to delivery companies, freight forwarders, airlines, air transportation, e-commerce, package delivery, and logistics industries, as well as government customers. As of December 31, 2023, the company's in-service aircraft fleet consisted of 107 owned Boeing aircraft, three Airbus aircraft, and 20 leased aircraft. The company was formerly known as ABX Holdings, Inc. and changed its name to Air Transport Services Group, Inc. Air Transport Services Group, Inc. was founded in 1980 and is headquartered in Wilmington, Ohio.

Limbach Holdings, Inc. operates as a building systems solution company in the United States. It operates through two segments, General Contractor Relationships and Owner Direct Relationships. The company engages in the construction and renovation projects that involve primarily include mechanical, plumbing, and electrical services. It also provides critical system repair, MEP infrastructure projects, maintenance contracts, building automation upgrades, data driven insights, and program management services. In addition, it offers captive engineering capabilities, estimating and virtual design; and professional engineering, energy analysis, estimation, and detail design and three-dimensional building installation coordination services. The company serves research, acute care, and inpatient hospitals; public and private colleges, universities, research centers; sports arenas; entertainment facilities, and amusement rides and parks; data centers; automotive, energy and general manufacturing plants; and life sciences, including organizations and companies, whose work is centered around research and development focused on living things. Limbach Holdings, Inc. was founded in 1901 and is headquartered in Warrendale, Pennsylvania.

Global Industrial Company operates as an industrial distributor of various industrial and maintenance, repair, and operation (MRO) products in North America. It offers storage and shelving, safety and security, carts and trucks, HVAC and fans, furniture and decor, material handling, janitorial and facility maintenance, workbenches and shop desks, tools and instruments, plumbing and pumps, office and school supplies, packaging and shipping, lighting and electrical, foodservice and retail, medical and laboratory, motors and power transmission, building supplies, machining, fasteners and hardware, vehicle maintenance, and raw materials. The company offers industrial and MRO products under the Global, GlobalIndustrial.com, Nexel, Paramount, Interion, and Absocold trademarks. It serves businesses; state, local, and private educational organizations; and government entities through relationship marketers, e-commerce sites, signature campaigns, and catalogs. The company was formerly known as Systemax Inc. Global Industrial Company was founded in 1949 and is headquartered in Port Washington, New York.

Ameresco, Inc., a clean technology integrator, provides a portfolio of energy efficiency and renewable energy supply solutions in the United States, Canada, Europe, and internationally. It operates through U.S. Regions, U.S. Federal, Canada, Europe, Alternative Fuels, and All Other segments. The company offers energy efficiency, infrastructure upgrades, energy security and resilience, asset sustainability, and renewable energy solutions for businesses and organizations. It designs, develops, engineers, and installs projects that reduce the energy, as well as operations and maintenance (O&M) costs of its customers' facilities; and projects primarily include various measures customized for the facility and designed to enhance the efficiency of building systems, such as heating, ventilation, cooling, and lighting systems. In addition, the company offers renewable energy solutions and services, such as the construction of small-scale plants that the company owns or develops for customers that produce electricity, gas, heat, or cooling from renewable sources of energy and O&M services; and electricity, processed renewable gas fuel, and heat or cooling produced from renewable sources of energy. Further, the company sells photovoltaic (PV) solar energy products and systems, as well as provides consulting, and enterprise energy management services; and operates wind farms. It serves the federal, state, local governments, healthcare and educational institutions, airports, public housing authorities and public universities, municipal utilities, and commercial and industrial customers. As of December 31, 2023, the company owned and operated 185 small-scale renewable energy plants and solar PV installations. Ameresco, Inc. was incorporated in 2000 and is headquartered in Framingham, Massachusetts.

Air Industries Group, together with its subsidiaries, engages in the design, manufacture, and sale of precision components and assemblies for defense and commercial aerospace industry in the United States. It offers actuators, arresting gears, aerostructures, aircraft structures, chaff pod assemblies, machining and milling solutions, cylinders, drag beams and braces, flight controls, flight safety critical components, integrated assemblies, landing gears, large diameter turn-mills, submarine valves, thrust struts, engine mounts, and turbine engine components and weldments for aircraft jet engines, ground turbines, and other complex machines. The company was founded in 1941 and is based in Bay Shore, New York.