Welcome to Sinnott Blacktop, Inc. We have been serving Duluth, Minnesota, superior, Wisconsin, and surrounding communities since 1988. We are committed to providing you with the best job possible at a reasonable cost. Our in-house professionally trained employees will get your project done quickly and effectively. Services that we offer include, but are not limited to:CommercialAsphalt pavingExcavationSub-base preparationAsphalt cleaningSeal coatingParking lot stripingCrack filling & repairYear-round maintenanceSnow removalResidentialAsphalt pavingExcavationMaintenance programCustom asphalt workCall us today for a free estimate and to see how we can help you.