Serving the Entire State of Colorado. American Asphalt is a full service paving contractor providing excellent craftsmanship in the state of Colorado since 1975. Our services include not only all of your asphalts needs, but a courteous professional staff with only qualified experienced crew members. From driveways to parking lots. Subdivisions to walking paths. We offer our customers the best quality and the most efficient product at very competitive rates. We stand firmly behind our work and look forward to earning your referrals and return business.