Aerospace and Defense Manufacturing Companies in the United States

The aerospace and defense industries demand uncompromising precision, operational security, and certified excellence. From complex military components to mission-critical aerospace assemblies, manufacturing partners in these sectors must meet the highest standards in quality, traceability, and compliance. RFQ USA was built to connect decision-makers in aerospace and defense procurement with rigorously vetted American manufacturers ready to meet those challenges head-on.

Our national directory makes it easy to identify partners that meet your technical requirements, quality standards, and regulatory needs. Whether you’re sourcing machined components for aircraft engines, heat shields for defense systems, or advanced composite assemblies for space vehicles, RFQ USA ensures you have access to proven domestic manufacturers with the certifications, facilities, and expertise to deliver.

ITAR Registered, ISO Certified, and Nadcap Accredited Shops

Every manufacturer listed in RFQ USA’s Aerospace & Defense category is carefully vetted, not only for technical capability but also for the credentials that matter most in regulated industries. Many are ITAR registered and experienced in Department of Defense and aerospace contract requirements. Our listed suppliers commonly maintain:

• ISO 9001:2015 and AS9100D certifications for quality management
• Nadcap accreditation for special processes such as welding, coatings, heat treating, and NDT
• SAE compliance for material and process standards across aircraft and defense applications

By using RFQ USA, you can be confident that each company listed meets stringent U.S. and global aerospace manufacturing protocols.

Specialized Components and Capabilities

American manufacturers listed with RFQ USA support the full spectrum of aerospace and defense projects, from precision prototypes to full-scale production. Example specialties include:

• Fuel manifolds for jet engines and propulsion systems
• CNC-machined and welded components for airframes and subsystems
• Heat shields are designed to withstand extreme thermal loads
• Complex assemblies with high-part count integration
• Exotic metal fabrications and advanced composite structures

In many cases, these suppliers provide complete start-to-finish services, including engineering support, testing, and finishing operations. Whether you require multi-axis machining, custom tooling, or mission-critical part certification, you can find the right partner within our directory.

U.S. Manufacturing. Vetted Vendors. No Guesswork.

RFQ USA is more than just a directory; it’s a gateway to working with America’s best. Our team verifies every supplier’s capabilities, certifications, and reliability before they’re approved. Many of our listed vendors also qualify as:

• Veteran-Owned or Woman-Owned Businesses
• Located in HUBZones or eligible for federal diversity incentives
• Equipped with specialized manufacturing software and equipment
• Aligned with supply chain resilience initiatives for defense

You can search our Aerospace & Defense category by product type, certification, business designation, and location, ensuring you connect with manufacturers who not only can do the work but who align with your mission and compliance obligations.

Explore the RFQ USA Aerospace & Defense Directory

We encourage procurement professionals, engineers, and program managers to explore RFQ USA and test the platform. Use our search filters to find qualified suppliers for upcoming or past projects, from contract machining to defense prototyping. Once you find a match, reach out to vendors directly or submit a quote request to streamline the start of your next supply relationship.

If your business offers certified manufacturing services for the aerospace or defense industry, and you believe you belong in this directory, we invite you to apply for inclusion. We prioritize quality, compliance, and reputation above all, ensuring RFQ USA remains a trusted source for sourcing American manufacturing.