Astech Corp is an asphalt resurfacing contractor and has been offering Bituminous and Coal Tar seal coating in the St Joseph, MN area since 1986. We specialize in parking lots, highways, street construction and driveways for residential, commercial and industrial businesses and state governments. Our services include wheel stops, sweeping, striping, paving, patching, and crack filling. We can help with everything from pavement marking and repairs to seal coating and in the winter months we offer 24 hours snow removal. Call Astech Corp today for a free estimate or with additional questions.