✈️ AS9100
AS9100 Rev D Aerospace Suppliers Near Lansing, MI
AS9100 is a different animal than the automotive standards that dominate Lansing, but the city's precision machining base makes it a more natural fit than its GM reputation suggests. Buyers looking for aerospace-grade traceability and process control in mid-Michigan are usually drawing from shops that built their discipline on automotive volume and then invested in the additional rigor AS9100 Rev D requires. Here's how to source and qualify those suppliers.
AS9100ISO 9001NADCAP
How a GM Town Produces Aerospace-Capable Shops
Lansing isn't Wichita or Hartford. There's no airframe prime anchoring the region. What Lansing has instead is decades of tight-tolerance CNC machining, fixturing expertise, and stamping precision built up serving GM's Cadillac and Buick programs and the broader heavy-equipment supply base across mid-Michigan. That foundation transfers. A shop that can hold position tolerances on a machined automotive component and run a mature SPC program already has most of the muscle memory AS9100 demands.
The gap a shop has to close for aerospace is in the documentation and configuration-control overhead. AS9100 Rev D wraps ISO 9001:2015 in aerospace-specific requirements: counterfeit-part prevention, product safety and human-factors considerations, first-article inspection per AS9102, and risk management woven through every process. Lansing-area shops that pursue AS9100 are typically the ones that decided to diversify away from automotive cyclicality and went after defense and aerospace subcontract work. They tend to be deliberate, well-capitalized operations rather than opportunistic certifiers, which works in a buyer's favor.
Qualifying an AS9100 Supplier in Mid-Michigan
AS9100 certification is verifiable in a way most standards aren't, and you should use that. Every accredited AS9100 certificate is registered in the OASIS database, the Online Aerospace Supplier Information System maintained under the IAQG. Before you do anything else, search the supplier in OASIS to confirm the certificate is active, see the issuing certification body, and check the scope. If a Lansing shop claims AS9100 but doesn't appear in OASIS, that is a hard stop.
Beyond the certificate, qualify the shop the way an aerospace customer would. Ask to see a sample AS9102 first-article inspection report and judge whether it's complete and legible. Confirm they have a documented process for flow-down of customer and regulatory requirements to their own sub-tiers, because an aerospace part is only as compliant as its weakest subcontractor. Probe their handling of special processes: if your part needs heat treat, anodize, NDT, or chem processing, those almost always require NADCAP accreditation, and the AS9100 shop should either hold the relevant NADCAP accreditations or use NADCAP-accredited subcontractors with documented controls.
The red flags here are subtle. Watch for a shop that holds AS9100 on paper but can't demonstrate recent aerospace production experience, vague answers on counterfeit-parts prevention, or no clear configuration management for drawing revisions. Aerospace buyers live and die on revision control.
Documentation and Traceability You Should Demand
Aerospace traceability is unforgiving, and the records package on an AS9100 job reflects that. Expect full material traceability back to the mill heat or lot, with certs that map to the specific raw stock used on your serialized parts. For machined and assembled hardware, the AS9102 first-article inspection report should account for every drawing characteristic with balloon numbers tying each dimension to an actual measurement. Anything less is incomplete.
You should also receive certificates of conformance referencing the exact drawing and revision, records of any special-process certifications from NADCAP-accredited sources, and documented evidence that nonconforming material was either dispositioned through a formal MRB process or never shipped. AS9100 also requires control of FOD, foreign object debris, so for assemblies, ask how the shop manages and documents FOD prevention.
For defense-adjacent work, traceability often intersects with ITAR. If your parts carry export-controlled technical data, confirm the AS9100 shop is also ITAR registered and handles your drawings under appropriate controls. Many Lansing-area aerospace suppliers pursuing defense subcontracts carry both, but never assume it.
Lead Time and Cost Realities for Aerospace Work Here
Aerospace work in a primarily automotive region carries a different cost and schedule profile than commodity machining. AS9100 shops price in the overhead of their quality system: the first-article inspection labor, the documentation, the configuration control, and the lower-volume, higher-mix nature of most aerospace orders. Expect unit costs well above comparable automotive parts and longer lead times driven by inspection and paperwork rather than raw machine time.
The upside of sourcing in mid-Michigan is the same as it is for automotive: you're close enough to visit the floor, audit the supplier, and resolve issues in person without a cross-country trip. For low-volume aerospace and defense programs where a single nonconformance can derail a delivery, that proximity is worth real money. Plan your schedule around realistic AS9100 lead times, build in time for first-article approval cycles, and don't compress the inspection window to save days, because rework on aerospace hardware is far more expensive than the schedule you'd save.
Frequently Asked Questions
Yes, though they are fewer and more specialized than the broad automotive supplier base. Lansing's industrial identity centers on GM assembly and its tier supplier network, so the region's strength is precision CNC machining, stamping, and assembly built up over decades of automotive and heavy-equipment work. A subset of those shops, typically the ones that chose to diversify away from automotive demand cycles, invested in AS9100 Rev D certification to pursue aerospace and defense subcontract machining. They leverage the same tight-tolerance capability they developed for automotive and layer on the aerospace-specific documentation, traceability, and configuration control that AS9100 requires. The practical way to find them is to verify certificates directly in the OASIS database rather than assuming a shop's marketing claims are current. Because the local aerospace pool is smaller, buyers often combine local precision machining with NADCAP-accredited special-process subcontractors elsewhere in Michigan or the broader Midwest to complete a part.
AS9100 Rev D is built directly on top of ISO 9001:2015 and includes every requirement of it, then adds aerospace-specific controls that ISO 9001 alone does not require. The major additions include first-article inspection to the AS9102 standard, counterfeit-parts prevention programs, product safety and human-factors considerations, stricter configuration and revision management, foreign object debris prevention, and risk-based thinking applied formally across operations. In practice this means an AS9100 shop carries substantially more documentation overhead per part and operates a more disciplined change-control process than a shop running ISO 9001 for automotive work. For a buyer, the distinction matters because an aerospace or defense part demands the AS9100 controls regardless of how good a shop's automotive quality system is. A strong ISO 9001 or IATF 16949 supplier is not automatically equipped to deliver compliant aerospace hardware, so always confirm AS9100 specifically when the part is destined for an aircraft or defense application.
Use the OASIS database, the Online Aerospace Supplier Information System maintained under the International Aerospace Quality Group. Unlike many certifications where you have to chase down a registrar's directory, AS9100 certificates issued under the accredited scheme are registered in OASIS, which lets you search a supplier by name and confirm the certificate status, the issuing certification body, the certificate scope, and the expiration. This is the single most authoritative check available for aerospace quality certification. If a Lansing supplier claims AS9100 but does not appear in OASIS, that is a serious problem and should stop the qualification process until they can explain it. Beyond the database check, ask the supplier for a recent AS9102 first-article inspection report as a work sample, confirm how they flow requirements down to their own subcontractors, and verify that any required special processes such as heat treat or non-destructive testing are covered by NADCAP accreditation either in-house or through their supply base.
Often, yes. AS9100 governs the quality management system, but it says nothing about export control. If your parts involve technical data, drawings, or specifications that fall under the International Traffic in Arms Regulations, the manufacturer handling that data must be registered with the Directorate of Defense Trade Controls and must control access to the export-controlled information. Many Lansing-area shops that pursue aerospace and defense subcontract work carry both AS9100 and ITAR registration precisely because defense customers require both, but you should never assume one implies the other. When you place a defense order, explicitly confirm ITAR registration, ask how the shop restricts access to controlled technical data including which employees and subcontractors can see your drawings, and ensure any data transfer happens through controlled channels. Treat the quality certification and the export-control registration as two separate gates that both have to be cleared before the part is compliant.
Last updated: July 2026
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