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T. R. Arnold & Associates, Inc. provides services to the Manufactured Shelter/Housing Industry since 1967. TRA's services comprise of engineering approval, drafting, plant layout, DAPIA, IPIA, third party modular plan review and inspection services.

Accreditation
Memberships & Associations
International Accreditation Service
International Code Council
Standards Council of Canada
American Society for Testing and Materials
National Association of Home Builders
National Fire Protection Association
Canadian Recreational Vehicle Association
Indiana Manufactured Housing Association-Recreation Vehicle Indiana Council
Manufactured Housing Institute
Recreation Vehicle Industry Association
National Storm Shelter Association
Contacts