Our Address 300 Buckner Rd Columbia, SC 29203 Find Us Serving the midlands since 1996. Electric Control & Supply is a locally owned full-line electrical distributor serving industrial and commercial customers throughout the Midlands since 1996. ECS's primary business is distributing electrical materials to industrial and commercial facilities. Store hours are from 7:30am - 4:30pm M-Th, 7:30am - 2:00pm on Fridays. After hours sales are available. Contact Us Phone : 803 691-9600 or 800 318-1408 Fax : 803 691-1120 sales@ecscolumbia.com