Dees-Hennessey Inc. provides shotcrete solutions to commercial properties in the Northern Californian area. We offer expert construction work including structural shotcrete, shotcrete shoring, seismic retrofits, new construction, retaining walls, canal linings, ditches and drainage.

DVT Solutions, LLC established in 2006. Invented the industries 1st true odd mode differential probe to verify differential trace impedance accuracy, using TDR. The company received a US patent in 2020 for 40GHz-70GHz differential probes, requiring no grounds. The probes are compatible with Keysight, Anritsu, Tektronix, Teledyne/LeCroy, and Rhode & Schwarz TDR & VNA measurement instruments. The instruments are integrated... Read More about DVT Solutions, LLC