Worthington Ind. has signed a purchase agreement to acquire the stock of Unimast Inc.

"The complementary nature of the product offering of Dietrich and Unimast will be beneficial to our customers," said Ed Ponko, president of Dietrich Metal Framing, a division of Worthington. "By acquiring Unimast, we broaden our product line to include items such as vinyl finishing products and plaster lath and accessories, improve efficiencies and generate cost savings, all of which will help us better serve our customers."