Granite State Asphalt Paving is a full service asphalt & concrete paving, granite curbing, sealcoating, and repair maintenance company located in Manchester, NH with over 10 years of experience and fully insured.  All of our employees are local experts in the field with each employee having an average of 15 years in the field. We serve both commercial and residential customers. At Granite State Asphalt Paving, every customer gets a fair and honest price. There is no job too big or small for GSAP and we look forward to doing business with you. We provide a wide range of services including: asphalt and concrete paving, granite curbing, patching, sealcoating, line striping, grading, crack filling, and many other services!