A small firm brings enthusiasm and personal service. A large firm offers a wealth of expertise. With MacKay Sposito, you get it all. From local and regional utilities to large federal power administrations – MacKay Sposito is serving the agencies that power our communities. We serve the energy market with core services that include civil engineering, land surveying, UAV technology, and construction management and inspection. From owners representation on 500 kV transmission lines to wood pole rebuilds, substation expansions to access road design, we’re experts in Power Delivery.