Established in 1933, Pitcher Drilling Co. is a full-service drilling contractor. It provides a wide range of geotechnical drilling as well as testing solutions. Based in East Palo Alto, the firm is one of the pre-eminent geotechnical drilling companies in the United States. The company s geotechnical drilling expertise encompasses site investigation and in-hole testing. Some of Pitcher Drilling Co. s drilling services include mud rotary, hollow stem auger, Shelby tube sampling and piezometer installation. In addition, it provides testing services, such as cone penetration, Vane Shear Testing (VST), SPT energy calibration, etc.