Directory

Public engineering firm profile

Twining Inc.

Grounded in Safety, Built on Sustainability.

Services
21
Projects
3

Overview

Twining Inc. is a full-service engineering and materials testing company with over 125 years of history serving California and beyond. Twining provides geotechnical engineering, materials testing, construction inspection, special inspections, forensic engineering, and quality control services across public works, healthcare, private development, education, energy, and transportation sectors. Twining Inc. operates fully certified and accredited construction materials testing laboratories and serves more than 10,000 private and public sector clients.

Services

Engineering

Applied engineering services for a wide range of construction and infrastructure projects.

Inspections

Responsive and reliable inspection services meeting and exceeding industry standards.

Modular and Industrialized Buildings

Quality system auditing and listing for industrialized buildings supporting the growing modular construction industry.

Industries

Firm type

Project types

Projects

LADPW Lancaster Solar Energy Project

Lancaster, CA | Los Angeles Department of Public Works | Energy

CSULB College of Continuing and Professional Education

Long Beach, CA | California State University, Long Beach | Education

Offices

No public values listed.