Who We Are

C.H.J., Incorporated is a California corporation founded in 1964. From our office in Colton we are able to service projects throughout San Bernardino, Riverside, Los Angeles, and Orange Counties.

Our professional staff includes a Civil Engineer, Materials Inspection Dispatcher and Special Deputy Inspectors.

Our professional staff possesses registrations within their disciplines, and many of our technical personnel possess specialty certifications in materials testing, and the inspection of concrete, structural masonry, welding, bolting and erection of structural steel. Our personnel also perform non-destructive testing on welds.


C.H.J., Incorporated is a Certified Small Business, Small Business certification # 28796.
The Division of the State Architect (DSA) has approved C.H.J., Incorporated to perform testing and inspection for public schools. Our LEA number is 62.


AASHTO accredited - Certificate of Accreditations
California Department of Transportation Accredited
Cement and Concrete Reference Laboratory
Department of the Army Corps of Engineers Qualified
California Department of General Services – Division of the State Architect LEA Acceptance
City of Los Angeles - Department of Building and Safety Approval

Professional Society Memberships

Our company and staff are members of many professional organizations including:

American Society of Civil Engineers
American Society for Testing and Materials
American Concrete Institute
American Welding Society
American Society for Nondestructive Testing
Structural Engineers Association of California

Availability and Response Time

C.H.J., Incorporated is able to provide deputy inspection services 24 hours a day, if necessary. However, please note that any testing to be performed after normal business hours would require advance notice to allow our Dispatcher to make the proper arrangements. In addition, C.H.J., Incorporated is centrally located, and our inspectors are able to provide expedited response times to any project.


C.H.J., Incorporated is a Full-Service Materials Testing and Construction Inspection Consulting Firm