Headquarters. Charlotte, N.C.

Branch Offices. Energy Delivery Services (EDS) has offices in Duncan, S.C.; Greensboro, N.C.; Macon, Ga.; Jupiter, Fla.; Austin; San Ramon, Calif.; Pasco, Wash.; and Puerto Rico

Roots. EDS was formed as a Duke Energy subsidiary in 2002, but it's been providing these services under other Duke subsidiaries for many years.

Areas of Expertise. EDS is a transmission, substation, and distribution engineering, construction, and maintenance firm that works with investor-owned utilities, municipalities, rural cooperatives, institutions, and industrial clients.

Key Markets. Design, installation, and upgrade of T&D systems.