Clients look to Calethon to deliver complex projects in challenging locations around the world Calethon integrates the activities of the engineering, procurement, and construction (EPC) functions to deliver projects safely, on time, and within budget. Calethon integrates the activities of all contractors and subcontractors, often from diverse backgrounds and cultures, to ensure the success of the overall program. Calethon’s fully integrated teams offer services and support in design, construction, procurement and project control.