ICC NTA, LLC is a company of objective professional engineers, plan reviewers, technicians, consultants, and design draftsmen ... . We provide engineering design review, quality inspections, and product evaluation and testing services to the building industry, and we are a leader in Green Building certification. At NTA, we serve a broad range of industries by providing third party, independent building product certifications, building code compliance reviews, building code consulting services, quality audit inspection services, third-party plan review (DAPIA) and inspection (IPIA), and engineering services. We also provide in-plant quality audits for manufacturing processes. Our plan review, consulting, drafting and product testing evaluation reports are recognized globally as a sign of quality. We serve clients in the U.S., Canada and Mexico. read more