Hardware, Lumber Yard, and Benjamin Moore Paint Store. Northeast Building Supply of Cornwall Bridge features a complete selection of tools to suit any job and a wide selection of houseware items. You will also find the lawn and garden center, perfect for landscapers and home gardening enthusiasts. Right next door is our Benjamin Moore paint store, featuring primers, stains, coatings, and products for professional and home use. Our lumber yard is located just one quarter of a mile down the road.