Twining Laboratories is a full-service engineering and quality-control company with unmatched expertise, laboratory capabilities and personnel resources.

The company fosters an entrepreneurial and innovative spirit that feeds our determination to deliver on clients needs. From the preliminary subsurface investigation to the final roofing inspection, Twining Laboratories has the engineering expertise, laboratory capabilities, and multi-licensed building inspectors to assure excellence for your building project.

With three Southern California laboratories and more than 200 team members, Twining Laboratories is unequaled in its core competencies which are scalable for your project's requirements.