RADCO is a nationally recognized Independent Third-party Testing, Listing and Inspection company for new, special and innovative building systems and materials. RADCO is also a nationally recognized Design Approval & Plan Inspection Agency (DAPIA) for manufactured and modular homes and buildings. We employ project managers, plan reviewers, field auditors, laboratory technicians, inspectors and administrative staff. The acquisition of RADCO brings the Twining brand name to the rest of the country, expanding our capabilities by adding new service lines and expanding our laboratory testing capabilities to include rare and emerging products. Founded in 1967, RADCO established its test laboratory and listing capability in early 1970. RADCO provided plan check and inspection services for factory built structures (including recreational vehicles) under numerous federal and state programs, which recognize third party agencies. Moving forward RADCO served the manufactured Housing industry under the HUD program since its inception in 1976, in 1980 RADCO started its gas-testing laboratory for gas systems and special flame effects.