Gibraltar, Buffalo, NY, has acquired Pennsylvania Industrial Heat Treaters, Inc., a privately held commercial heat treating company in Saint Marys, PA, that specializes in heat treating powdered metal parts. Terms of the acquisition were not disclosed. Pennsylvania Industrial Heat Treaters, formed in 1987, reported sales of approximately $6 million in 2000. Its 50,000 square foot facility employs 60 people and includes a complete metallurgical laboratory. The company serves the lawn and garden, appliance, hand tool, business machine, and automotive industries, among others. This is Gibraltar's seventh acquisition in the commercial heat treating business since February 1996.