PNW vs BIO Comparison

Pinnacle West is a holding company whose principal subsidiary is Arizona Public Service, a vertically integrated electric utility that serves 1.4 million customers across a 35,000-square-mile territory in central Arizona, including Phoenix. APS owns or leases more than 6 gigawatts of power generation capacity, including a 29% ownership stake in the largest nuclear plant in the US, Palo Verde. Half of the electricity that APS supplies to customers comes from clean energy sources, including nuclear.

Bio-Rad Laboratories, headquartered in Hercules, California, develops, manufactures, and sells products and solutions for the clinical diagnostics and life sciences markets. In clinical diagnostics (56% of sales), Bio-Rad sells test systems and specialized quality controls for clinical laboratories. In life sciences (44% of sales), it develops and manufactures instruments and reagents used in research, biopharmaceutical production, and food testing and has a leadership position in dPCR technology. The company is geographically diverse, with major markets in the Americas (42% of 2023 sales), Europe (31%), Asia (31%), and other (6%). Bio-Rad owns approximately 33% of Sartorius, a lab and bioprocessing supplier that specializes in single-use technology used in biologics manufacturing.