Professional Asphalt Sealcoating by Ethan Bryer a third generation contractor. Serving commercial and residential clients. Two locations to better serve you, one in Springfield, MO serving the southwest part of the Missouri state. And the other in San Antonio serving all of southern Texas. We provide services such as sealcoating, crackfilling, patching, line striping, paving, roof coatings, and many other services. Free Estimates Always!