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About Twining

Pioneering Solutions for our Clients and the World we Live in Today

Twining Consulting is a full-service engineering company with unmatched technical expertise. As detailed below, our services span from QA/QC, materials testing, and inspection, to highly technical capabilities in applied engineering and integrated disciplines. With laboratories throughout California and a deep bench of engineers, technical experts, materials scientists, technicians, and inspectors, we are unequaled in our core competencies to serve the built environment:

  • Geotechnical engineering
  • Asphalt pavement quality assurance services
  • Asphalt pavement design and materials evaluations
  • Soils and materials testing and inspection
  • Specialty testing
  • Mobile laboratory services
  • Roofing and waterproofing consultation and inspection
  • Applied engineering and research
  • Forensic evaluation
  • Stormwater management
  • Geo-instrumentation monitoring and assessment
  • Third Party Product Testing
  • Plan Approvals and Inspection
  • Petrography

Our Mission

In cooperation with our clients, we protect the public and our communities by providing engineering, testing, and inspection services to help ensure quality and conformance with construction standards within the built environment.

By empowering and encouraging our team to act with integrity and to be responsive, we contribute to the success of the projects we service.

Our Values

The Industry leader in technical innovations and quality service; providing advanced geotechnical engineering, special inspection and materials testing solutions.

  • We operate with integrity and character at all times.
  • We sustain an environment that enables great people to do extraordinary things.
  • Our employees are our most valuable asset.
  • We promote innovative thinking as a way of life.
  • We cultivate and value lasting relationships with our clients and our stakeholders.

Our Affiliations & Accreditations

Twining possess full-service construction material testing laboratories. Our laboratories are certified, accredited, and/or inspected by all major governing agencies.