Gilliam and Sons Incorporated is a well-established "A" licensed general contractor with 30+ years of experience. Located in ... Bakersfield and working throughout California. GSI has provided a range of services including residential and commercial site development, building demolition, landfill operations, oil well locations at Elk Hills for 20+ consecutive years, turnkey-subdivisions.(We normally perform all earthwork with our own equipment and subcontract the concrete, asphalt work.) Founded by Bill W. Gilliam in 1969, as a one-man, one-machine operation, Gilliam and Sons has grown to be one of the recognized leaders in the grading and demolition business. Our modern, well-maintained equipment, excellent safety record, and skilled operators, combined with competitive rates, means that we can provide an excellent service for the construction industry. The goal of this web site is to provide you with a broad, yet informative, overview of our company and capabilities. We welcome your suggestions and look forward to the opportunity to serve your needs. read more