✈️ AS9100
AS9100 Rev D Aerospace Suppliers in Kokomo, IN
Aerospace buyers don't get to assume good intentions; they need documented evidence. In Kokomo, a city better known for transmissions and batteries than airframes, the AS9100-certified shops you'll find are often automotive-grade machinists who layered aerospace quality requirements on top of an already rigorous QMS. That combination can work in your favor, provided you verify the scope and the special-process flowdowns carefully.
AS9100ISO 9001NADCAP
How Kokomo's Machining Base Translates to Flight Hardware
AS9100 Rev D is ISO 9001 plus the aviation, space, and defense supplement: configuration management, first article inspection per AS9102, counterfeit-parts prevention, foreign object debris (FOD) control, and rigorous risk management. None of that is alien to a shop that already runs automotive-grade process control. Kokomo's machinists have spent years holding tight tolerances at volume, documenting traceability, and surviving customer audits, which is exactly the muscle aerospace work requires.
What changes in aerospace is the depth of traceability and the unforgiving nature of nonconformances. A scrapped automotive part is a cost; a missed FAI characteristic on a flight component can be a safety and airworthiness issue. The Kokomo shops that pursue AS9100 tend to be the most mature in the region, because the certification is a deliberate strategic move into a higher-margin, higher-scrutiny market rather than a checkbox.
For a buyer, the practical takeaway is that local aerospace capacity exists but is concentrated. Build your shortlist around shops whose scope explicitly names aerospace machining or assembly, and confirm they have live aerospace customers rather than a certificate they obtained speculatively.
Reading the AS9100 Scope and Special-Process Flowdowns
The single most important document is the certificate scope. AS9100 certificates are registered in the OASIS database (Online Aerospace Supplier Information System), maintained by the IAQG. You can verify any supplier's certificate status, certification body, expiry, and scope directly in OASIS, which is the authoritative source and far better than a PDF a salesperson emails you. Confirm the scope covers your exact process: machining, sheet metal, assembly, or whatever your part needs.
AS9100 does not by itself qualify special processes. Heat treat, anodizing, chemical processing, NDT, and welding on aerospace hardware almost always require NADCAP accreditation, and your prime or OEM will flow that down explicitly. A machining shop in Kokomo may hold AS9100 but outsource heat treat to a NADCAP-accredited processor. That's normal and acceptable, as long as the flowdown is controlled and the sub-tier is approved on your customer's AVL.
Ask the supplier to walk you through how they manage these flowdowns: which special processes they perform in-house, which they outsource, and how they verify their sub-tiers stay accredited. A vague answer here is the most common way aerospace parts get rejected at receiving inspection.
Frequently Asked Questions
AS9100 Rev D is built directly on ISO 9001:2015 and includes the entire ISO standard, then adds aerospace-specific requirements on top. The additions matter: configuration management to control part revisions tightly, first article inspection per AS9102, counterfeit part avoidance, foreign object debris (FOD) prevention programs, product safety requirements, and expanded risk management. In Kokomo, where most precision shops already run ISO 9001 (and often IATF 16949 for automotive), the gap to AS9100 is real but bridgeable, because the underlying process discipline already exists. What separates a true aerospace supplier from an automotive shop with an AS9100 certificate is operational experience: live aerospace customers, a mature FAI process, controlled special-process flowdowns, and a track record surviving prime/OEM and source-inspection audits. When you source in Kokomo, don't just confirm the certificate exists; confirm the shop is actively producing aerospace hardware and understands the airworthiness consequences of an escape.
Use OASIS, the Online Aerospace Supplier Information System maintained by the International Aerospace Quality Group (IAQG). OASIS is the authoritative registry for AS9100, AS9110, and AS9120 certifications and is the source primes and OEMs trust. In OASIS you can look up a supplier by name and confirm their certificate status, the accredited certification body that issued it, the expiration date, and critically the certification scope. The scope tells you whether the shop is certified for your specific process, machining, assembly, sheet metal, and so on. Do not rely solely on a certificate PDF emailed by the supplier, since those can be outdated or scoped narrowly in ways the sales conversation glosses over. Cross-check the OASIS scope against your part's requirements, and verify the certification body itself is recognized. For Kokomo's small pool of aerospace-capable shops, this verification step quickly separates genuine flight-hardware suppliers from automotive machinists testing the aerospace waters.
No, and this is the most common and costly misunderstanding. AS9100 certifies the manufacturer's quality management system, but it does not accredit the special processes themselves. For aerospace hardware, special processes like heat treating, anodizing and other chemical finishing, non-destructive testing, welding, and surface treatments almost always require NADCAP accreditation, and your prime contractor or OEM will flow that requirement down explicitly in the purchase order or quality clauses. A Kokomo machining shop holding AS9100 will typically perform machining and assembly in-house and outsource heat treat or finishing to a NADCAP-accredited processor. That arrangement is standard and fully acceptable, provided the supplier controls the flowdown properly: the sub-tier processor must be NADCAP-accredited for the specific process, approved on the relevant approved supplier list, and the certs of conformance must trace back to your part. Always ask which special processes are in-house versus outsourced, and confirm every outsourced process has current NADCAP accreditation.
The honest answer is that Kokomo is not a primary aerospace cluster the way Wichita, Hartford, or Southern California are. But there are real reasons to source here. First, Kokomo's automotive-grade machining base brings world-class process control, metrology, and cost discipline learned from high-volume powertrain work, which can translate to competitive pricing and tight tolerances on aerospace parts. Second, proximity matters: Kokomo's central Indiana location sits within easy reach of Indianapolis and the broader Midwest, enabling same-day site visits, source inspections, and rapid corrective-action support, which is harder when your supplier is across the country. Third, capacity availability can be better at a shop diversifying into aerospace than at a fully-booked dedicated aerospace house. The tradeoff is that the pool is small, so you must verify aerospace experience rigorously. Use ManufacturingBase to filter Kokomo suppliers by AS9100 and machining capability, then validate scope in OASIS and confirm active aerospace customers before committing flight-critical work.
Last updated: July 2026
Find AS9100-Certified Manufacturers in Kokomo, IN
Search verified Kokomo shops that hold AS9100.
No logins. No email gates. Just results.