CI vs RSG Comparison

Cigna primarily provides pharmacy benefit management and health insurance services. Its PBM and specialty pharmacy services, which were greatly expanded by its 2018 merger with Express Scripts, are mostly sold to health insurance plans and employers. Its largest PBM contract is with the Department of Defense (current contract through 2029), and it recently won a multiyear deal with top-tier insurer Centene. In health insurance and other benefits, Cigna primarily serves employers through self-funding arrangements, and the company operates mostly in the US with 17 million US and 2 million international medical members covered as of December 2024.

Republic Services is the second-largest integrated provider of traditional solid waste services in the United States, operating roughly 208 active landfills and 248 transfer stations. The company serves residential, commercial, and industrial end markets. It also runs sizable recycling and hazardous waste collection and disposal operations in North America.