Black Dawg Sealcoat and our sister company, Jet-Black, form the largest asphalt maintenance company in the U.S., with over 500,000 jobs completed since 1987. Our sealer and crackfiller are engineered to be the toughest and most protective asphalt maintenance products available. We operate a network of locally owned and managed businesses across 18 states, from the mountains of Colorado to northern Minnesota, New England, sunny Florida, and everywhere in between. With stringent quality control standards and a strong brand reputation, we never cut corners or compromise on quality.