Eaton Corporation plc operates as a power management company worldwide. The company's Electrical Americas and Electrical Global segment provides electrical components, industrial components, power distribution and assemblies, residential products, single and three phase power quality and connectivity products, wiring devices, circuit protection products, utility power distribution products, power reliability equipment, and services, as well as hazardous duty electrical equipment, emergency lighting, fire detection, explosion-proof instrumentation, and structural support systems. Its Aerospace segment offers pumps, motors, hydraulic power units, hoses and fittings, and electro-hydraulic pumps; valves, cylinders, electronic controls, electromechanical actuators, sensors, aircraft flap and slat systems, and nose wheel steering systems; hose, thermoplastic tubing products, fittings, adapters, couplings, and sealing and ducting products; air-to-air refueling systems, fuel pumps, fuel inerting products, sensors, and adapters and regulators; oxygen generation system, payload carriages, and thermal management products; and wiring connectors and cables, as well as hydraulic and bag filters, strainers and cartridges, and golf grips for manufacturers of commercial and military aircraft, and related after-market customers, as well as industrial applications. The company's Vehicle segment offers transmissions, clutches, hybrid power systems, superchargers, engine valves and valve actuation systems, locking and limited slip differentials, transmission controls, and fuel vapor components for the vehicle industry. Its eMobility segment provides voltage inverters, converters, fuses, circuit protection units, vehicle controls, power distribution systems, fuel tank isolation valves, and commercial vehicle hybrid systems. Eaton Corporation plc was founded in 1911 and is based in Dublin, Ireland.

Amphenol Corporation, together with its subsidiaries, primarily designs, manufactures, and markets electrical, electronic, and fiber optic connectors in the United States, China, and internationally. It operates through three segments: Harsh Environment Solutions, Communications Solutions, and Interconnect and Sensor Systems. The company offers connectors and connector systems, including harsh environment data, power, high-speed, fiber optic, and radio frequency interconnect products; busbars and power distribution systems; and other connectors. It also provides value-add products, such as backplane interconnect systems, cable assemblies and harnesses, and cable management products; other products comprising flexible and rigid printed circuit boards, hinges, other mechanical, and production related products. In addition, the company offers consumer device, network infrastructure, and other antennas; coaxial, power, and specialty cables; and sensors and sensor-based products. It sells its products through its sales force, independent representatives, and a network of electronics distributors to original equipment manufacturers, electronic manufacturing services companies, original design manufacturers, and service providers in the automotive, broadband communication, commercial aerospace, industrial, information technology and data communication, military, mobile device, and mobile network markets. Amphenol Corporation was founded in 1932 and is headquartered in Wallingford, Connecticut.

National Grid plc transmits and distributes electricity and gas. It operates through UK Electricity Transmission, UK Electricity Distribution, UK Electricity System Operator, New England, New York, National Grid Ventures, and Other segments. The UK Electricity Transmission segment provides electricity transmission and construction work services in England and Wales. The UK Electricity Distribution segment offers electricity distribution services in Midlands, and South West of England and South Wales. The UK Electricity System Operator segment provides balancing services for supply and demand of electricity on Great Britain's electricity transmission system; and acts as an agent on behalf of transmission operators. The New England segment offers electricity and gas distribution, and electricity transmission services in New England. The New York segment provides electricity and gas distribution, and electricity transmission services in New York. The National Grid Ventures segment provides transmission services through electricity interconnectors and LNG importation at the Isle of Grain, as well as sale of renewables projects. The Other segment engages in the leasing and sale of commercial property, as well as insurance activities in the United Kingdom. The company was founded in 1990 and is headquartered in London, the United Kingdom.

Johnson Controls International plc, together with its subsidiaries, engages in engineering, manufacturing, commissioning, and retrofitting building products and systems in the United States, Europe, the Asia Pacific, and internationally. It operates through four segments: Building Solutions North America, Building Solutions EMEA/LA, Building Solutions Asia Pacific, and Global Products. The company designs, sells, installs, and services heating, ventilating, air conditioning, controls, building management, refrigeration, integrated electronic security, integrated fire detection and suppression systems, and fire protection and security products. It also provides energy efficiency solutions and technical services, including inspection, scheduled maintenance, and repair and replacement of mechanical and control systems, as well as data-driven smart building solutions. In addition, the company offers control software and software services. It sells its products and services to commercial, institutional, industrial, data center, and governmental customers. Johnson Controls International plc was incorporated in 1885 and is headquartered in Cork, Ireland.

TE Connectivity plc, together with its subsidiaries, manufactures and sells connectivity and sensor solutions in Europe, the Middle East, Africa, the Asia–Pacific, and the Americas. The company operates through three segments: Transportation Solutions, Industrial Solutions, and Communications Solutions. It provides antennas, application tooling, cable assemblies, connectors, electromagnetic compatibility/electromagnetic interference solutions, energy and power, fiber optics, heat shrink tubing, identification and labeling, medical components, passive components, relays and contactors, sensors, switches, terminals and splices, wires and cables, and wire protection and management solutions. The company also offers training and other services, including 3D printing for production, backshells prototyping, electrical installation training, HarnWare software, machine tooling service and repair, medical device design services, and microfluidic devices, as well as conducts automotive webinars. It serves 5G and wireless equipment, aerospace, appliances, automation and control, automotive, autosport, commercial and industrial vehicles, connected home, data centers and artificial intelligence, defense and military, energy solutions, e-mobility, industrial machinery, intelligent buildings, IoT connectivity, medical technologies, oil and gas/marine, personal electronics and wearable technology, rail, sensor applications, space, and other industries. The company was formerly known as Tyco Electronics Ltd. and changed its name to TE Connectivity plc in March 2011. TE Connectivity plc was founded in 1941 and is based in Ballybrit, Ireland.

Hubbell Incorporated, together with its subsidiaries, designs, manufactures, and sells electrical and utility solutions in the United States and internationally. It operates through two segments, Electrical Solutions and Utility Solutions. The Electrical Solution segment offers standard and special application wiring device products, rough-in electrical products, connector and grounding products, lighting fixtures, and other electrical equipment for use in industrial, commercial, and institutional facilities by electrical contractors, maintenance personnel, electricians, utilities, and telecommunications companies, as well as components and assemblies. It also designs and manufactures various industrial controls, and communication systems for use in the non-residential and industrial markets, as well as in the oil and gas, and mining industries. This segment sells its products through electrical and industrial distributors, home centers, retail and hardware outlets, lighting showrooms, and residential product-oriented internet sites; and special application products primarily through wholesale distributors to contractors, industrial customers, and original equipment manufacturers. The Utility Solution segment designs, manufactures, and sells electrical distribution, transmission, substation, and telecommunications products, such as arresters, insulators, connectors, anchors, bushings, and enclosures cutoffs and switches; and utility infrastructure products, including smart meters, communications systems, and protection and control devices. This segment sells its products to distributors. Its brand portfolio includes Hubbell, Kellems, Bryant, Burndy, CMC, Bell, TayMac, Wiegmann, Killark, Hawke, Aclara, Fargo, Quazite, Hot Box, etc. The company was founded in 1888 and is headquartered in Shelton, Connecticut.

Littelfuse, Inc. designs, manufactures, and sells electronic components, modules, and subassemblies in the Americas, Asia-Pacific, and Europe. The company operates through Electronic, Transportation, and Industrial segments. The Electronics segment offers fuses and fuse accessories, positive temperature coefficient resettable fuses, electromechanical switches and interconnect solutions, polymer electrostatic discharge suppressors, varistors, reed switch based magnetic sensing products, and gas discharge tubes; and discrete transient voltage suppressor (TVS) diodes, TVS diode arrays, protection and switching thyristors, metal-oxide-semiconductor field-effect transistors and diodes, and insulated gate bipolar transistors. This segment serves industrial motor drives and power conversion, automotive electronics, electric vehicle and related charging infrastructure, aerospace, power supplies, data centers, telecommunications, medical devices, alternative energy, building and home automation, appliances, and mobile electronics markets. The Transportation segment provides blade, resettable, and high-current and high-voltage fuses, as well as battery cable protectors; fuses, switches, relays, circuit breakers, and power distribution modules; and sensor products. This segment serves heavy-duty truck, construction, agriculture, material handling, and marine. The Industrial segment offers industrial fuses, protection relays, contactors, transformers, residual current devices, ground fault circuit interrupters, residual current monitors, arc fault detection devices, and temperature sensors for use in renewable energy and energy storage systems, electric vehicle infrastructure, HVAC systems, industrial safety, non-residential construction, MRO, mining, and factory automation. It sells its products through distributors, direct sales force, and manufacturers' representatives. Littelfuse, Inc. was founded in 1927 and is headquartered in Chicago, Illinois.

Thermon Group Holdings, Inc. provides engineered industrial process heating solutions for process industries in the United States and Latin America, Canada, Europe, the Middle East, Africa, and the Asia-Pacific. It offers heat tracing products, such as electric heat tracing cables, steam heating solutions, controls, monitoring and software, instrumentation, project services, industrial heating and filtration solutions, temporary electrical power distribution and lighting, and other products and services. The company also provides controls, monitoring, and software systems for the control and management of a heat trace system; environmental heating solutions under the Ruffneck, Norsemen, and Catadyne brands; process heating solutions under the Caloritech brand name; filtration solutions under the 3L Filters brand; rail and transit solutions under the Hellfire, Velocity, ArcticSense, and other brand names; and boilers under the Vapor Power, Precision Boilers, and Caloritech brands. In addition, it offers project services; transportation heating products, including track and switch heaters, accessories, control panels, rail heaters, gas blower accessories, and air curtains; transit heaters; and velocity heat products. Further, the company offers temporary power solutions; heating systems, such as engineered electric heat, explosion proof gas catalytic heaters, heaters for harshest environments, methane abatement, and engineered filtration system; electrically, steam, and fluid heated tubing bundles; and pre-insulated tubing and system accessories tubing bundles. It serves chemical and petrochemical, oil and gas, power generation, rail and transit, commercial, energy transition/decarbonization, mining and mineral processing, maritime/shipbuilding, semiconductors, pharmaceutical and biotechnology, food and beverage, data centers, and renewables industries through a network of sales and service professionals, and distributors. Thermon Group Holdings, Inc. was founded in 1954 and is headquartered in Austin, Texas.