D & S Engineering Labs Employee Directory
Civil EngineeringTexas, United States11-50 Employees
D & S Engineering Labs is a civil engineering firm based in Denton, Texas, offering laboratory and field testing services for construction materials and geotechnical engineering. Its scope includes concrete mix designs, ready-mix plant certification, asphalt testing, and highway construction inspection, with capabilities spanning masonry and structural steel assessments. The company has operated continuously since 2000, serving infrastructure projects with a small-to-mid-sized team. Its clients include transportation agencies and contractors, such as TxDOT and Oklahoma DOT technicians, who rely on testing and inspection to ensure compliance and quality in project execution. The business originated as a division of Isbell Engineering, was sold in 2007 to Clough Harbour of Albany, New York, and was purchased in 2010 by Charles N. Davis III and Jud Sherman, PE.