KANSAS CITY, Mo. & DENVER–(BUSINESS WIRE)–Copley Equity Partners LLC (“Copley”), a private investment firm focused on middle-market companies, announced a strategic investment in Herzig Engineering (“Herzig”), a national electrical services firm focused on safety and compliance in electrified environments. The existing management team will remain in place and continue to lead the business. Financial terms were not disclosed. Bob Herzig founded Herzig in 2000 and has steadily built the busines