SInce 1989 A-1 Asphalt Company has beend serving Duluth, Superior and the Northland with quality asphalt maintenance services. Sealcoating, paving, striping, pothole repair, and consulting, we have worked hard to develop a reputation for quality work at a great price. Fully licensed and bonded, we look forward to a chance to help you preserve your asphalt investment. Call for a free estimate.