Trade licensing overview · machinist
How machinist licensing works — Ohio
How this trade is regulated in Ohio. none-in-pilot-states The framework below describes the national pathway most machinists in Ohio follow.
Machinists are not state-licensed in the United States. Competency is demonstrated through NIMS (National Institute for Metalworking Skills) credentials, employer-administered machining and inspection tests, or completion of a DOL-registered Machinist apprenticeship.
Machinist wages in Ohio · BLS OES A01 2024
Wages are state-level annual figures from the U.S. Bureau of Labor Statistics Occupational Employment and Wage Statistics program (A01 2024). Specific machinist earnings in Ohio vary by metro area, employer type, union membership, and years of experience. Verify the current state and metro figures on the BLS OES site (bls.gov/oes).
What this trade actually looks like in Ohio
Ohio machining is built on aerospace and aero-engine work (GE Aerospace in Cincinnati and Evendale, Pratt-related work in Dayton, NASA Glenn in Cleveland), automotive supplier shops, defense work tied to Wright-Patterson AFB, and a deep Tier-2 base across the state. The state retains stronger tool-and-die and aerospace-supplier work than most of its peers.
Where they work
Cincinnati and Evendale anchor GE Aerospace engine machining and a Tier-2 supplier tail. Dayton and Wright-Patterson AFB-adjacent shops hold defense-electronics and aerospace work. Cleveland and Akron hold NASA Glenn-adjacent precision work, polymer-related machining, and supplier shops. Columbus and central Ohio hold Honda-supplier and general job-shop work. Toledo and the I-75 corridor hold auto-supplier machining. Youngstown and the Mahoning Valley retain steel-related and supplier shops.
Pay context
BLS OES reports an Ohio median of $56,200 for machinists, in the middle of the Midwest range. GE Aerospace Cincinnati, NASA Glenn-adjacent Cleveland shops, and Honda-supplier work commonly pay above the statewide median. Cost of living statewide is below national averages; northeast Ohio remains particularly affordable.
Training pathway
Cincinnati State Technical and Community College, Sinclair Community College (Dayton), Cuyahoga Community College (Cleveland), Columbus State Community College, and Owens Community College (Toledo) all run NIMS-aligned machining programs. The Ohio Manufacturers' Association sponsors employer-specific training. ApprenticeOhio registers machinist apprenticeships through individual employers including GE Aviation. IAM Local 912 and others represent some shops.
Considerations
If you want aerospace, aero-engine, or auto-supplier machining with deep Midwest training infrastructure, Ohio is a substantial match in the country. If you want sunbelt cost structure or right-to-work simplicity, Ohio is mixed (right-to-work was repealed; current law differs). Verify whether a target shop is union or non-union and whether the local has its own apprenticeship before accepting an offer.
Ohio machinist snapshot
| MSA | Employed | Median wage |
|---|---|---|
| Cleveland, OH | 3,380 | $57,290 |
| Cincinnati, OH-KY-IN | 2,510 | $56,960 |
| Columbus, OH | 1,110 | $52,790 |
| Dayton-Kettering-Beavercreek, OH | 1,090 | $58,010 |
| Toledo, OH | 990 | $65,840 |
STATE LICENSE STATUS
No pilot state (TX, CA, FL, NY, IL) issues a person-level machinist license. The U.S. Bureau of Labor Statistics classifies machinists under SOC 51-4041 and lists typical entry through long-term on-the-job training, apprenticeship, or community-college machine-tool programs (https://www.bls.gov/ooh/production/machinists-and-tool-and-die-makers.htm). Because there is no statutory license, hiring shops typically verify skill through a bench test, print-reading and GD&T questions, and (increasingly) NIMS credential records (https://www.nims-skills.org). ITAR-regulated aerospace and defense shops add employer-specific background and citizenship checks per 22 CFR 120-130; those are job requirements, not state licenses.
NIMS CREDENTIALS
NIMS (National Institute for Metalworking Skills) issues 52 stackable, ANSI-accredited credentials covering Machining Level I, II, and III; CNC Milling and CNC Turning Operator and Programmer; Tool & Die; Mold Making; Stamping; Grinding; and Industrial Technology Maintenance (https://www.nims-skills.org/credentialing). Each credential requires an online theory exam plus a performance/part-inspection component verified by a NIMS-credentialed evaluator (https://www.nims-skills.org). Machining Level I is the recognized entry credential and is used by many registered apprenticeships as a first-year benchmark. NIMS credentials are accepted as Related Technical Instruction (RTI) evidence by many DOL-registered Machinist programs (https://www.apprenticeship.gov). The International Machine Tool Manufacturers Association (IMTMA, https://www.imtma.org) and the National Tooling and Machining Association (NTMA, https://www.ntma.org) both reference NIMS as the industry-standard skills benchmark.
CNC PROGRAMMING
CNC (computer numerical control) programming is the core skill for production machining. G-code and M-code fundamentals (ISO 6983 / EIA RS-274) are the baseline language read by Fanuc, Siemens, Haas, and Mazak controls (https://www.iso.org/standard/34608.html). Most production programs are generated in CAM software: Mastercam (https://www.mastercam.com), Autodesk Fusion 360 (https://www.autodesk.com/products/fusion-360), and SolidWorks CAM (https://www.solidworks.com) are the most commonly listed in BLS machinist job postings (https://www.bls.gov/ooh/production/machinists-and-tool-and-die-makers.htm). 5-axis simultaneous programming is typical in aerospace structural and impeller work and is covered by NIMS CNC Milling Programmer Level III (https://www.nims-skills.org/credentialing). NIMS also offers a stand-alone Job Planning, Benchwork, and Layout credential that is a prerequisite for Machining Levels II and III.
APPRENTICESHIP PATHWAY
The U.S. Department of Labor registers Machinist apprenticeships under RAPIDS occupation code 0296 with a typical term of 8,000 on-the-job-training hours plus 576 hours of Related Technical Instruction; Tool and Die Maker (RAPIDS 0295) typically requires 10,000 OJT hours (https://www.apprenticeship.gov/apprenticeship-job-finder). Community-college Associate of Applied Science (AAS) degrees in Machine Tool Technology are a common parallel or substitute pathway and frequently articulate into NIMS credentials. The International Association of Machinists and Aerospace Workers (IAM, https://goiam.org) represents machinists in parts of aerospace, defense, and rail, though most U.S. production machinists work in non-union shops. NTMA and the Precision Metalforming Association (PMA) both sponsor employer-led apprenticeships registered through DOL.
ADJACENT ROLES
Tool-and-die maker is the most demanding adjacent role, requiring roughly 10,000 OJT hours and tight-tolerance grinding, heat-treat, and fixture-building experience (https://www.bls.gov/ooh/production/machinists-and-tool-and-die-makers.htm). CNC programmer roles split into shop-floor edit/offset programmers and off-line CAM programmers; NIMS CNC Milling and CNC Turning Programmer credentials cover both (https://www.nims-skills.org/credentialing). Manual mill and lathe operator positions are still common in prototype, R&D, and repair shops. Quality-control and gauge inspector roles require formal GD&T training per ASME Y14.5-2018, Dimensioning and Tolerancing (https://www.asme.org/codes-standards/find-codes-standards/y14-5-dimensioning-tolerancing); ASME also publishes Y14.5.1 Mathematical Definition of Dimensioning and Tolerancing Principles. AS9100 (aerospace) and ISO 13485 (medical device) quality-system training are often required before a machinist is cleared to run regulated parts.