Great Mills Trading Post is affiliated with Windward Land Development and AAA Materials.
Offering mined, retail, and recycled materials to residential, commercial and government customers for well over 30 years. We carry products for all your residential and commercial needs. We stockpile a large variety of aggregate materials at our St. Andrews Church Road location, but we can get you any material you may need to complete your job.
The mission of Windward Land Development, LLC is to take raw land and develop it into its full potential as residential, commercial or industrial properties. We believe in using the best qualities of the land to offer the most benefit to those around it.