APD vs PAYX Comparison

Since its founding in 1940, Air Products has become one of the leading industrial gas suppliers globally, with operations in 50 countries and 19,000 employees. The company is the largest supplier of hydrogen and helium in the world. It has a unique portfolio serving customers in a number of industries, including chemicals, energy, healthcare, metals, and electronics. Air Products generated $12.1 billion in revenue in fiscal 2024.

Paychex is a technology company providing human capital management solutions, enabling clients to better implement payroll, talent, time, tax, and benefits administration. It has a diverse set of product offerings addressing client needs. Aside from its traditional cloud-based payroll and HCM software offering, which accounts for close to half of total revenue, the company provides outsourcing options. Paychex's administrative service organization and professional employer organization accounts generate over 40% of sales. The balance of revenue is generated through retirement services, insurance solutions, and other products. In fiscal 2025, the company had 800,000 clients and almost 2.5 million worksite employees across its ASO and PEO.