National Aerospace Solutions, LLC
American engineering company providing aerospace and defense testing, operations, and maintenance services, headquartered in Oak Ridge, Tennessee.
Last updated September 27, 2026
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Overview
National Aerospace Solutions, LLC (NAS) is an American engineering company headquartered in Oak Ridge, Tennessee. It is a private entity associated with Bechtel National, and its mailing address is listed c/o Bechtel National at 100 Union Valley Rd., Oak Ridge, TN 37830. The company operates in the United States and is engaged in engineering services, with a focus on aerospace and defense testing, operations, and maintenance. Its official website is nas-llc.us, where it publishes contact information for purchase orders, invoices, and payroll. NAS is known for its role in supporting aerospace testing infrastructure, including work connected to Arnold Engineering Development Complex (AEDC) at Arnold Air Force Base in Tennessee. As a corporate brand, it represents a specialized engineering and technical services provider rather than a consumer product line. The company's structure and ownership details beyond its Bechtel National affiliation are not fully detailed in the available evidence, and its founding year and founder are not specified in the supplied sources.
History
National Aerospace Solutions, LLC (NAS) is an American engineering company headquartered in Oak Ridge, Tennessee. It is associated with Bechtel National, as indicated by its mailing address: National Aerospace Solutions, LLC c/o Bechtel National, 100 Union Valley Rd., Oak Ridge, TN 37830. The company provides engineering services with a focus on aerospace and defense testing, operations, and maintenance. NAS is known for its involvement in aerospace testing infrastructure, particularly in support of the Arnold Engineering Development Complex (AEDC) at Arnold Air Force Base in Tennessee. The company operates as a private entity within the United States. Its official website, nas-llc.us, serves as a contact point for business inquiries, including purchase orders, invoices, and payroll. The founding year and founder of NAS are not specified in the available evidence. As a corporate brand, NAS represents a specialized technical services provider rather than a consumer-facing product brand.
Products and positioning
Specialized engineering and technical services provider for aerospace and defense programs, operating under the Bechtel National umbrella.
Product categories. Aerospace testing services · Defense engineering services · Operations and maintenance services · Technical support services
Sources2 sources
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