Ecolab Inc. provides water, hygiene, and infection prevention solutions and services in the United States and internationally. The company operates through three segments: Global Industrial; Global Institutional & Specialty; and Global Healthcare & Life Sciences. The Global Industrial segment offers water treatment and process applications, and cleaning and sanitizing solutions to manufacturing, food and beverage processing, transportation, chemical, metals and mining, power generation, pulp and paper, commercial laundry, petroleum, refining, and petrochemical industries. Its Global Institutional & Specialty segment provides specialized cleaning and sanitizing products to the foodservice, hospitality, lodging, government and education, and retail industries. The Global Healthcare & Life Sciences segment offers specialized cleaning and sanitizing products to the healthcare, personal care, and pharmaceutical industries, such as infection prevention and surgical solutions, and end-to-end cleaning and contamination control solutions under the Ecolab, Microtek, and Anios brand names. In addition, the company provides pest elimination services to detect, eliminate, and prevent pests, such as rodents and insects in restaurants, food and beverage processors, hotels, grocery operations, and other commercial segments including education, life sciences, and healthcare customers. Further, it offers colloidal silica for binding and polishing applications in semiconductor, catalyst, and aerospace component manufacturing, as well as chemical industries; and products and services that manage wash process through custom designed programs, premium products, dispensing equipment, water and energy management, and reduction, as well as real time data management. It sells its products through field sales and corporate account personnel, distributors, and dealers. Ecolab Inc. was founded in 1923 and is headquartered in Saint Paul, Minnesota.

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.

Fluor Corporation provides engineering, procurement, and construction (EPC); fabrication and modularization; operation and maintenance; asset integrity; and project management services worldwide. The company operates through Energy Solutions, Urban Solutions, Mission Solutions, and Other segments. The Energy Solutions segment provides solutions to the energy transition markets, including asset decarbonization, carbon capture, renewable fuels, waste-to-energy, green chemicals, hydrogen, nuclear power, and other low-carbon energy sources. It also provides consulting services, including feasibility studies, process assessments, and project finance structuring; and a range of services for small modular reactor technologies, conventional and advanced nuclear reactor technologies. This segment serves the production and fuels, chemicals, LNG, power markets, chemicals and petrochemical industries. The Urban Solutions segment offers EPC and project management services to the infrastructure, advanced technologies, life sciences, and mining and metals industries. This segment also provides staffing services to the company and third-party clients with technical, professional, and craft resources on a contract or permanent placement basis. The Mission Solutions segment offers technical solutions to the U.S. and other governments. It also delivers solutions for nuclear security and operation, nuclear waste management, and laboratory management; and operation and maintenance, logistics, EPC, and life support solutions for mission-critical facilities across U.S. military service organizations. This segment offers site management, environmental remediation, and decommissioning for nuclear remediation at governmental facilities, as well as services to commercial nuclear clients. Fluor Corporation was founded in 1912 and is headquartered in Irving, Texas.

Flowserve Corporation designs, manufactures, distributes, and services industrial flow management equipment in the United States, Canada, Mexico, Europe, the Middle East, Africa, and the Asia Pacific. It operates through Flowserve Pump Division (FPD) and Flow Control Division (FCD) segments. The FPD segment offers custom and pre-configured pumps and pump systems, mechanical seals, auxiliary systems, replacement parts, upgrades, and related aftermarket services; and equipment services, including installation and commissioning services, seal systems spare parts, repairs, advanced diagnostics, re-rate and upgrade solutions, retrofit programs, and machining and asset management solutions, as well as manufactures a gas-lubricated mechanical seal for use in high-speed compressors for gas pipelines and in the oil and gas production and process markets. The FCD segment provides engineered and industrial valve and automation systems, including isolation and control valves, actuation, controls, and related equipment; and equipment maintenance services for flow control systems, including advanced diagnostics, repair, installation, commissioning, retrofit programs, and field machining capabilities. This segment's products are used to control, direct, and manage the flow of liquids, gases, and multi-phase fluids. It primarily serves oil and gas, chemical and pharmaceuticals, power generation, and water management markets, as well as general industries, including mining and ore processing, pulp and paper, food and beverage, and other smaller applications. The company distributes its products through direct sales, distributors, and sales representatives. Flowserve Corporation was founded in 1790 and is headquartered in Irving, Texas.

CSW Industrials, Inc. operates as a diversified industrial company in the United States and internationally. It operates through three segments: Contractor Solutions, Engineered Building Solutions, and Specialized Reliability Solutions. The Contractor Solutions segment provides condensate pads, pans, pumps, switches, and traps; cements, diffusers, grilles, registers, solvents, thread sealants, and vents; line set covers; refrigerant caps; wire pulling head tools; electrical protection, maintenance chemicals, and installation supplies; ductless mini-split systems installation support tools and accessories; and drain waste and vent system products for use in for heating, ventilation, air conditioning, refrigeration, plumbing, general industrial, architecturally specified building products. The Engineered Building Solutions segment offers architectural railings and associated services; fire and smoke protection solutions; fire stopping solutions; and pre-engineered and custom architectural building components for use in architecturally specified building products. The Specialized Reliability Solutions segment provides anti-seize products; compounds, lubricants, lubricant management products, and sealants; desiccant breather filtration products; and contamination control, industrial maintenance and repair, rail friction modifiers, sealants, and operations solutions for use in energy, general industrial, mining, and rail transportation. The company was incorporated in 2014 and is headquartered in Dallas, Texas.

ESCO Technologies Inc. produces and supplies engineered products and systems for industrial and commercial markets worldwide. It operates through three segments: Aerospace & Defense, Utility Solutions Group, and RF Test & Measurement. The Aerospace & Defense segment designs and manufactures filtration products, including hydraulic filter elements and fluid control devices used in commercial aerospace applications; filter mechanisms used in micro-propulsion devices for satellites; and custom designed filters for manned aircraft and submarines. It also designs, develops, and manufactures elastomeric-based signature reduction solutions for U.S. naval vessels; and mission-critical bushings, pins, sleeves, and precision-tolerance machined components for landing gear, rotor heads, engine mounts, flight controls, and actuation systems for the aerospace and defense industries. The Utility Solutions Group segment provides diagnostic testing solutions that enable electric power grid operators to assess the integrity of high-voltage power delivery equipment; and decision support tools for the renewable energy industry, primarily wind and solar. The RF Test & Measurement segment designs and manufactures RF test and secure communication facilities, acoustic test enclosures, RF and magnetically shielded rooms, RF measurement systems, and broadcast and recording studios; and RF absorptive materials, filters, antennas, field probes, test cells, proprietary measurement software, and other test accessories to perform various tests. The company distributes its products through a network of distributors, sales representatives, direct sales teams, and in-house sales personnel. The company was incorporated in 1990 and is based in Saint Louis, Missouri.

Enpro Inc. design, develops, manufactures, and markets proprietary, value-added products and solutions to safeguard critical environments in the United States, Europe, and internationally. It operates through two segments, Sealing Technologies and Advanced Surface Technologies. The Sealing Technologies segment offers single-use hygienic seals, tubing, components and assemblies; metallic, non-metallic, and composite material gaskets; dynamic seals; compression packing; hydraulic components; expansion joints; and wall penetration products for chemical and petrochemical processing, pulp and paper processing, nuclear energy, hydrogen, natural gas, food and biopharmaceutical processing, primary metal manufacturing, mining, water and waste treatment, commercial vehicle, aerospace, medical, filtration, and semiconductor fabrication industries. The Advanced Surface Technologies segment offers cleaning, coating, testing, refurbishment, and verification services for critical components and assemblies used in semiconductor manufacturing equipment, as well as for critical applications in the space, aerospace, and defense markets; and specialized optical filters and thin-film coatings for various applications in the industrial technology, life sciences, and semiconductor markets. The company was formerly known as EnPro Industries, Inc. and changed its name to Enpro Inc. in December 2023. Enpro Inc. was incorporated in 2002 and is headquartered in Charlotte, North Carolina.

Babcock & Wilcox Enterprises, Inc., together with its subsidiaries, provides energy and emissions control solutions to industrial, electrical utility, municipal, and other customers worldwide. The company operates through three segments: Babcock & Wilcox Renewable; Babcock & Wilcox Environmental; and Babcock & Wilcox Thermal. The Babcock & Wilcox Renewable segment offers technologies divert the waste from landfills for power generation and replacing fossil fuels and recovering metals and reducing emissions. It offers BrightLoop, a hydrogen generation technology that generates hydrogen from a range of fuels, including solid fuels, such as biomass and coal. This segment also provides technologies for power and heat generation comprising waste-to-energy; OxyBright, an oxygen-fired biomass-to-energy technology; and black liquor systems for the pulp and paper industry. The Babcock & Wilcox Environmental segment offers a range of emissions control and environmental technology solutions for utility, waste to energy, biomass, carbon black, and industrial steam generation applications. This segment provides systems for cooling, ash handling, particulate control, nitrogen oxides and sulfur dioxides removal, chemical looping for carbon control, and mercury control under the SolveBright, OxyBright, BrightLoop, and BrightGen names. The Babcock & Wilcox Thermal segment offers aftermarket parts, construction, maintenance, engineered upgrades, and field services for its installed bases, as well as the installed base of other OEMs for power generation, oil and gas, petrochemical, food and beverage, metals and mining, and others. This segment also provides steam generation systems, including package boilers, watertube and firetube waste heat boilers, and other boilers to medium and heavy industrial customers. Babcock & Wilcox Enterprises, Inc. was founded in 1867 and is based in Akron, Ohio.