RS vs IEX Comparison

Reliance Inc operates a network of companies providing diversified metal solutions and is the metals service center company. It distributes a full line of over 100,000 metal products, including alloy, aluminum, brass, copper, carbon steel, stainless steel, titanium and other specialty steel products. The company services more than 125,000 customers in a variety of industries, including consumer products, general manufacturing, non-residential construction, transportation, aerospace, energy, electronics and semiconductor fabrication, industrial machinery and heavy industry. It also services the auto industry, through its toll processing operations where it processes customer-owned metal for a fee.

Idex manufactures pumps, flow meters, valves, and fluidic systems for customers in a variety of end markets, including industrial, fire and safety, life science, and water. The firm's business is organized into three segments: fluid and metering technologies, health and science technologies, and fire and safety and diversified products. Based in Lake Forest, Illinois, Idex has manufacturing operations in over 20 countries and has over 7,000 employees. The company generated $3.5 billion in revenue in 2025.