Donald L. Frendberg
Donald L. Frendberg is the executive vice president/COO of the Heating, Airconditioning & Refrigeration Distributors International, Columbus, OH (www.hardinet.org).
Donald L. Frendberg is the executive vice president/COO of the Heating, Airconditioning & Refrigeration Distributors International, Columbus, OH (www.hardinet.org).