Peak Rock Capital, a middle-market private investment firm, completed the acquisition of The Tranzonic Companies, a manufacturer of commercial and industrial supplies from PNC Riverarch Capital, a middle-market private equity firm. Financial terms were not disclosed. "Tranzonic represents an exciting opportunity to invest in a growing supplier of consumable cleaning and hygiene products with a strong leadership position in the personal hygiene, away-from-home, and controlled environments categories. We are impressed with the strong track record of growth the Tranzonic team has achieved, and look forward to partnering with the Company to accelerate growth, while executing complementary acquisitions that extend Tranzonic's capabilities, product offerings, and geographic coverage," Jordan Campbell, Peak Rock Managing Director.