Tra Certification International

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TR Arnold and Associates is an employee-owned company that provides engineering approval and inspection services. It has expertise in plant site evaluation, engineering analysis, and manufacturing facility and product design. The company undertakes the preparation of work drawings. TR Arnold and Associates uses several tooling techniques. The company provides product testing and listing services for a variety of products such as recycled manufactured home axles, bathtubs, showers, holding tanks, bottom closure materials and roof trusses. It also conducts third-party plan review for all types of modular buildings. TR Arnold and Associates serves clients in the manufactured shelter and housing industries. In addition, it offers horse and race car trailer conversion and drafting and code drawing solutions.