Moore Twining Associates, Inc. is a multi-disciplined engineering and testing firm providing geotechnical engineering, environmental, construction inspection, materials testing, analytical chemistry and drilling services throughout California and the Western United States. Our firm, founded in 1898, has provided professional services for more than a century, maintaining offices throughout the State of California. Moore Twining Associates, Inc. offers quality services, detailed knowledge of conditions and regulations, with prompt communication, and competitive fees. Moore Twining Associates, Inc. is a Service Disabled Veteran Owned Business (SDVOB) and is certified by the State of California as a Disabled Veteran Business Enterprise (DVBE).