Our team at Longview Power truly appreciates the excellent work we have received from Dieffenbauch & Hritz regarding their drone flyovers, volume calculations, and density tests of our inventory. D&H continuously provides exceptional results and customer service that has become an unmatched asset to our logistical needs. I highly recommend D&H for any company in search of an engineering firm that goes above and beyond for their clients and I have no doubt they will exceed your expectations!

Amanda Bolyard

Coal Logistics , Longview Power, LLC