Excavating & Sales of Crushed Stone, Sand & Gravel in NB At WB excavating co., we also provide top-notch excavation– with the same attention to detail and personalized service you’ve come to expect from our other areas of business. Buy Crushed Stone, Sand & Gravel Since we have the backhoes, bulldozers and expert operators to excavate for installation of septic tanks, etc., we’re able to provide other excavation services. We also sell crushed stone, sand and gravel to meet your landscaping, construction site or other needs. Let us know how we can help you today. more... See more text