ABC Supply Co, a distributor of exterior building products, agreed to acquire the standalone wallboard divisions of US LBM, a national distributor of building materials. Financial terms were not disclosed. "We look forward to welcoming the associates into the ABC Supply family and are confident our shared commitment to delivering world-class service will benefit all our customers.” The transaction is subject to customary closing conditions, is subject to clearance under the Hart-Scott-Rodino Antitrust Improvements Act and is expected to close in the second quarter," Keith Rozolis, ABC Supply President and CEO.