Radco

Twining provides geotechnical engineering, vibration and geo-instrumentation, and concrete engineering and research. Its services also include soils, pavement, asphalt, concrete, steel, and masonry testing, along with construction, special, stormwater, and balcony inspections. Quality control and quality assurance management are offered as well. The company serves energy, transportation, and public works projects, including power plants, renewable energy developments, roadways, bridges, and water and wastewater facilities. It also evaluates industrialized buildings and mobility vehicle equipment, and provides quality system auditing and listing. Twining operates construction material testing laboratories certified, accredited, or inspected by major governing agencies. The website reports work on more than 2,000 healthcare projects and more than $1 billion in California private development.