New York City-headquartered middle-market investor GenNx360 Capital Partners bought a majority stake in Miller Environmental Group Inc.
Miller is a Calverton, N.Y.-based environmental services company catering to the utility, transportation and petrochemical sectors.
Effective immediately, Jerry Coogan, Miller Environmental's vice president of operations, will be replacing Mark Miller as president and CEO. Miller, who owns the company, will remain in the company's board. George Wallace, vice president and chief commercial officer, will become executive vice president.