Indian Creek Materials, LLC Through the Fall season of 2018, Groff Engineering & Consulting provided due diligence support to a Missouri-based company seeking to acquire two aggregates companies located in south central Missouri – Gable Stone Company and...
Stockpile and Quarry Surveying Groff Engineering has FAA licensed Part 107 sUAS pilots that can safely and legally fly drones to survey quarries and stockpiles. Its pilots and engineers routinely produce datasets that meet ASPRS positional accuracy standards for 3 cm...