PCX Corporation PCX provides custom, best-in-class prefrabricated modular data centers four our customers. Looking for innovative modular solutions? PCX is here to help. PCX builds to order prefabricated electrical power distribution systems and power systems with integrated switchboards for commercial construction, data center, and Industrial/utility markets worldwide. Designed and prebuilt offsite in Clayton, NC shipments extend from simple skids and ISO Containers to custom modules, enclosures, and E-buildings recognized for rugged reliability and value.