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When a project is in the construction phase, John R. Byerly, Inc. provides the testing and inspection that ensures that the contractor meets the specifications. When a builder is frustrated by the terrain, the challenge is to discover the cause and to right it. John R. Byerly, Inc. has the means and the expertise to evaluate problems and to propose viable solutions.

Planning a project is a process of discovery. Good planning means being able to adapt to conditions you face and developing strategies for over-coming situations before they become problems.
Services
John R. Byerly, Inc. was organized in 1977 to provide the construction industry of Southern California with professional geotechnical engineering and construction materials testing and inspection services. All services are provided from our Bloomington laboratory facility. Our inspectors are currently qualified and licensed by the International Code Council (ICC), American Welding Society (AWS), Caltrans, and the American Concrete Institute (ACI).Our inspectors are employees of John R. Byerly, Inc., who receive training and supervision from our professional staff.
Reviews (1)
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Valente DeLaRoza
Apr 25, 2020
Great staff and testing lead time. One of the best labs in California