Who makes architecture, engineering & mep design for AI data centers

This is the design layer that sits between the developer/tenant (9.01, 9.02) and the general contractors (9.04) who build to the design. Architecture covers the shell and site layout; MEP engineering specifies the power distribution, cooling, and plumbing systems that Layers 5 through 8 of this taxonomy physically supply, translating a target IT load and density into drawings a contractor can build from and equipment vendors can quote against. AI campuses have compressed design timelines even as the systems being designed have gotten more complex — liquid cooling loops, higher-voltage electrical distribution, and larger single-site power capacities all require MEP engineering that a decade of enterprise-colocation templates didn't anticipate. Firms that have built repeatable, pre-engineered designs for hyperscale and AI-campus MEP can turn projects faster than those still customizing each site from scratch, which is the main differentiator investors watching this space should track — that and the engineering labor capacity to staff a larger pipeline of concurrent projects at all.