In our 25-criterion evaluation of AI infrastructure providers, we identified the 13 most significant ones — Amazon Web Services (AWS), Dell, Exxact, Google, Hewlett Packard Enterprise (HPE), IBM, Inspur Information, Lambda, Microsoft, NVIDIA, Run:AI, Spell, and Supermicro — and researched, analyzed, and scored them. This report shows how each provider measures up and helps infrastructure operations and technology architecture professionals select the right one for their needs.