CRUSHED LIMESTONE PRODUCTS, ROAD BASE, CONCRETE AGGREGATE, PAVING ROCK, MANUFACTURED SAND. Licensed and insured, family owned and operated corporation company with over 50 years of experience in the industry. Sand Mill Inc handles all kinds of commercial, industrial, and municipal paving jobs. Our team of asphalt paving professionals will get the job done right. When it comes to large paving projects, Sand Mill Inc has many years of experience. We work with many excavators and developers to grade and pave new streets in subdivisions and developments. Our commercial paving department also completes larger parking areas and private jobs. Schools, churches, and businesses are examples of those that use Sand Mill Inc.