Calera Capital, a middle-market private equity firm, completed the acquisition of a majority stake In Thayer Power & Communication, a provider of mission critical repair, maintenance, and upgrade services for the utility and telecommunications industries, from Anderson Group, an operationally-oriented private equity investment firm focused on acquiring control positions in companies at the lower end of the middle market. Financial terms were not disclosed. "Thayer’s demonstrated ability to consistently deliver safe, reliable and high-quality service to its utility and telecommunications customers provides an exceptional business foundation. The company has tremendous momentum, and we are excited to partner with CEO Tim Luden and the entire Thayer organization as they continue to grow the business," Ethan Thurow, Calera Capital Managing Director.