WM vs ADP Comparison

WM ranks as the largest integrated provider of traditional solid waste and medical waste services in the United States, operating 262 active landfills, about 506 solid and medical waste transfer stations, and 105 recycling facilities. The company serves residential, commercial, industrial, and medical end markets and is also a leading recycler in North America.

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 permit customers to offload some of their traditional HR tasks. The company operates through two segments: employer services and professional employer organization services. Employer services consist of the company's HCM products as well as a la carte HRO solutions. PEO services contain ADP's comprehensive HRO solution, where it acts as a co-employer with its customer. As of fiscal 2025, ADP serves over 1.1 million clients and pays over 42 million workers across 140 countries.