MPK Equity Partners, a Dallas, Texas-based private investment firm, agreed to invest in Zoom Drain, an operator and franchisor of drain and sewer services. Financial terms were not disclosed. "Our entire management team and I view this partnership with MPK as an important milestone in the evolution and growth of our company, and we are very excited to welcome them to the Zoom Drain family. With the additional resources MPK provides, we are even better positioned to support our franchisees and deliver quality results for our customers," Jim Criniti, Zoom Drain CEO.