North American Aerospace and Defense Composites: Supply Base and Application Map

North American aerospace and defense is the highest-value composites market in this atlas and the slowest-moving one. A wide-chord carbon fan blade is worth more than an entire boat hull of laminate, and the material in it was selected in a design review a decade before the engine entered service.

Demand sits with fourteen prime and platform builders: Boeing, Lockheed Martin, Northrop Grumman, RTX, General Dynamics, L3Harris, GE Aerospace, Honeywell, Textron Aviation, Gulfstream, Bombardier, Sikorsky, Bell and Spirit AeroSystems. Geographically the work concentrates in five clusters: Puget Sound and Wichita for commercial airframes, Fort Worth and Marietta for fighters and military transports, southern California and Utah for space, missiles and defense structures, Connecticut and Ohio for propulsion, and Savannah and Montreal for business jets.

Below them the supply base narrows fast. Ten aerostructures and systems Tier 1s do most of the laminating that a prime does not keep. Ten prepreggers and fabricators convert fiber and resin into qualified material. Underneath that sit five carbon fiber producers with meaningful North American capacity, of which two, Hexcel and Toray, hold the qualification base for nearly every US program flying.

What makes this market different is not concentration. It is that a material is qualified to a specific part on a specific program, and changing it means requalification that takes years and costs millions. AS9100 and NADCAP are table stakes before a conversation starts. ITAR and EAR restrict who can hold a drawing at all. The result is a supply base that rewards incumbency more than any other market in this catalog.

The tier logic in aerospace and defense is different from every other industry in this catalog, and the difference is worth stating plainly before anything else.

In automotive, marine, building products or heavy truck, a tier is a position in a value chain and the currency is price. A better material can win on merit: it gets a lab test, a plant trial and a production decision inside a model year. In aerospace, a tier is a position in a qualification chain and the currency is an approved material spec. A material is qualified to a specific part, on a specific program, at a specific plant, using a specific cure cycle. Changing it means requalification: coupon testing, element and subcomponent testing, a full allowables database, and sign-off by the airframer and the certifying authority. That runs years and millions of dollars, and nobody pays it to save three percent on resin.

Tier 0, the prime. The prime owns the type certificate and the material specification. It decides what is qualified, and that decision outlives most careers. Primes also laminate: Boeing builds 787 barrels and 777X wings in house, GE builds fan blades, Sikorsky and Bell build rotor blades. What a prime keeps is what it considers proprietary or rate-critical.

Tier 1, aerostructures and systems. Spirit, GKN, Kaman, Ducommun, Albany Engineered Composites and their peers build major structure to a prime drawing and a prime material spec. They buy the material the prime named. This is the crucial fact for a material supplier: the company holding the purchase order is usually not the company that chose the material.

Tier 2, prepreggers and fabricators. Hexcel, Toray, Solvay, Park, Renegade, Axiom and the rest convert fiber and resin into qualified prepreg, film adhesive and honeycomb. Their product is the material spec as much as the material.

Tier 3, fiber and base chemistry. Five carbon fiber producers, plus epoxy base chemistry from Huntsman and Olin and glass from Owens Corning. Tier 3 in aerospace is smaller and more closed than in any other industry here.

Distribution barely exists. Prepreg ships frozen, carries an out-time clock and a shelf life, and goes direct from producer to fabricator under a quality agreement. Composites One and Airgas serve the small fabricator, MRO and UAV end of the market, and TCR is reached directly for towpreg. There is no line card to get onto.

Fourteen companies anchor demand, and they are not one market. Boeing, Lockheed Martin, Northrop Grumman and RTX are the four that set most material specifications in force today. GE Aerospace and Pratt and Whitney, inside RTX, drive propulsion composites, which is where the highest value per pound sits. Textron Aviation, Gulfstream and Bombardier are the business jet builders, smaller in volume but faster in decision-making and more willing to look at a new material on a clean-sheet model. Sikorsky and Bell are rotorcraft, where composite blades have been standard for decades. Spirit AeroSystems sits between prime and supplier, designing and certifying structure it then sells to Boeing and Airbus.

The full roster, with what each one builds, where the composite work physically happens, and how each one buys, is in the gated portion of this report.