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When you choose H. Olsen & Sons Contractors Inc. to do your paving and sealcoating work, you can rest assured knowing you are getting quality services. We have more than 50 years of experience providing quality residential and commercial asphalt work to customers in Dunkirk, NY; Chautauqua County, NY; Fredonia, NY; and the surrounding areas. Unlike some paving contractors, we dedicate a great deal of time to ensuring high standards every time. We always check for proper stone thickness, pitch and drainage to make certain we do the job right the first time.