ADP vs KLAC Comparison

Automatic Data Processing is a global technology company providing cloud-based human capital management solutions enabling clients to better implement payroll, talent, time, tax, and benefits administration. Additionally, ADP provides human resource outsourcing solutions that allow customers to offload some of their traditional HR tasks. The company operates through two segments: employer services and the professional employer organization services. Employer services consists of the company's HCM products as well as a la carte HRO solutions. PEO services contains ADP's comprehensive HRO solution where it acts as a co-employer with its customer. As of fiscal 2024, ADP serves over 1.1 million clients and pays over 42 million workers across 140 countries.

KLA is one of the largest semiconductor wafer fabrication equipment, or WFE, manufacturers in the world. It specializes in the market segment of semiconductor process control, wherein machines inspect semiconductor wafers during research and development and manufacturing for defects and verify precise measurements. In this section of the market, KLA holds a majority share. It also has a small exposure to the etch and deposition segments of the WFE market. It counts as top customers the largest chipmakers in the world, including TSMC and Samsung.