Amphenol is a global supplier of connectors, sensors, and interconnect systems. It holds the second-largest connector market share globally and sells into the automotive, broadband, commercial air, industrial, IT and data communications, military, mobile devices, and mobile networks end markets. Amphenol is diversified geographically, with operations in 40 countries.

TE Connectivity is one of the world’s largest electrical connector suppliers, providing interconnects and sensors to the transportation, industrial, and communications markets. TE has a broad portfolio of hundreds of thousands of individual products across myriad end applications, often customized per application. It fits into many products with electronics and benefits from increasing electrification across cars, industrial equipment, and data center buildouts.

Teradyne provides testing equipment, including automated test equipment for semiconductors, system testing for hard disk drives, circuit boards, and electronics systems, and wireless testing for devices. The firm entered the industrial automation market in 2015 and sells collaborative and autonomous robots for factory applications. Teradyne serves numerous end markets and geographies, directly and indirectly, through its products, but its most significant exposure is to semiconductor testing. Teradyne serves vertically integrated, fabless, and foundry chipmakers with its equipment.

ADP is a global, cloud-based human capital management provider offering payroll, compliance, talent management, benefits administration, and retirement services. The firm also provides human resources outsourcing services, including PEO offerings, enabling clients to reduce HR overhead. Its broad suite serves customers of all sizes across diverse sectors, and the firm holds large shares in its core markets. As of fiscal 2026, ADP counts over 1.1 million clients and manages payroll for more than 42 million workers across 140 countries.