Mike Dumas
New COO of CapitalTristate

CHARLESTON, SC — Sonepar USA, a subsidiary of the privately held Sonepar Group, announced Tuesday that Mike Dumas is the new COO of Marlboro, MD-based Capital Electric (DBA Capital Tristate), effective July 9. Dumas will be based out of Capital Electric’s headquarters in Upper Marlboro, MD.

Prior to this appointment, Dumas was District Vice President at Graybar where he was responsible for day-to-day business activities for the St. Louis district and Phoenix district, respectively. Dumas also served as VP of Communications/Data and the VP of Corporate Accounts during his 30-year tenure at Graybar.

“Mike’s experience and success within multiple facets of electrical distribution make him a key addition to the Capital Electric management team,” said Alan Rosenfeld, President of Capital Electric.

“We are excited to welcome Mike into the Sonepar USA and Capital family,” said Don Block, Sonepar USA East Region President. “His successful background and strong leadership skills will nicely complement our organization.”

Capital Electric provides electrical products, lighting and services to contractors, builders, and end-users in the Mid-Atlantic states. It services customers from 43 locations throughout Maryland, Pennsylvania, West Virginia and Virginia and from a new 220,000 square foot headquarters and CDC in Upper Marlboro, MD.

Sonepar USA — No. 3 on Industrial Distribution's 2017 Big 50 List — is a distributor of electrical, industrial and safety products and related solutions. Sonepar USA is made up of 15 of the finest locally managed electrical and industrial distributors, with coverage in all 50 states. Entering the US in 1998, Sonepar USA has continued to grow over the years due to strategic acquisitions and organic growth. Sonepar USA is a member of the Sonepar Group, an independent family-owned company with global market leadership in B-to-B distribution of electrical products and related solutions. For more information, visit