Business Details
50 Years
experience
Precision Machining & Rebuilding Services
Founded in 1976 by Martin and Anna Hozjan, Mah Machine has established itself as a trusted full-service machine shop in Cicero, Illinois. Our commitment to quality, dependability, and customer satisfaction drives every project we undertake, from precision machining to complex rebuilds. With over four decades of experience, we combine advanced equipment with a skilled workforce to deliver high-quality components tailored to diverse industrial needs. Our 25,000-square-foot facility houses state-of-the-art machinery, enabling us to handle everything from prototype work to large-scale production runs. We specialize in turnkey project management, leveraging long-standing relationships with trusted vendors to provide comprehensive solutions beyond our internal capabilities. Our team's expertise spans gear cutting, boring, grinding, welding, and more, with tolerances as tight as .0001 inches.Customer loyalty remains central to our success, reflected in our low employee turnover rate and decades-long partnerships with clients across manufacturing sectors. We maintain rigorous quality control through advanced inspection tools and processes, ensuring every product meets exact specifications. Our dedication to innovation and continuous improvement keeps us competitive while upholding the strong American manufacturing tradition we proudly support. For over 45 years, we've delivered on-time, cost-effective solutions that balance technical precision with personalized service.
Services
Boring Mill Services
Gear Cutting
Grinding
Turning
Auxiliary Services
Inspection
Painting
Rebuild Division
Details
- Year established: 1976
Highlights and features
- We offer 45+ years of specialized machining expertise
- Our facility maintains tolerances as tight as .0001 inches
- We provide complete turnkey project management solutions
- Our team includes welders certified in multiple metal types
- We guarantee on-time delivery with competitive pricing
Services
Boring Mill Services
Our CNC-controlled horizontal boring mills handle workpieces up to 30,000 lbs with precision tolerances of .0005 inches. Dual-shift operations ensure fast turnaround without premium charges. Capabilities range from small keyways to complex gear housings using five-axis machining centers with programmable turntables.
Gear Cutting
We produce helical, spur, and specialty gears from 1/8" to 32" diameter using advanced hobbing equipment. Our inventory includes American and metric standard hobs for gears, splines, sprockets, and pulleys. Emergency overnight delivery available for critical replacement parts.
Rebuild Division
Specializing in reducer, gearbox, and transmission case rebuilds, our 15,000 sq ft facility restores OEM components to original specifications. We offer warranted repairs matching manufacturer warranties and maintain a comprehensive list of supported equipment brands.
Precision Grinding
Our grinding department achieves 4-micron surface finishes with tolerances down to .0001 inches. Capabilities include OD/ID grinding up to 30" diameter and Blanchard surface grinding up to 42" capacity using seven precision grinding machines.
Custom Turning
CNC and manual lathes handle workpieces up to 53" diameter with 21" centers. We produce complex threaded components from buttress to metric standards while maintaining .001" tolerances using 12 engine lathes and specialized tooling.
Questions
What industries does MAH Machine Co serve?
We support manufacturing sectors including steel production, material handling, power generation, and industrial equipment manufacturing.
Do you handle emergency repair requests?
Yes, our rebuild division offers emergency services for critical equipment failures with expedited turnaround options.
What materials can you machine?
Our capabilities include steel, stainless steel, aluminum, and plastic components with specialized welding for multiple metal types.
Can you work from customer-supplied samples?
Yes, our gear cutting and machining departments can reverse-engineer parts from samples or technical drawings.
What quality assurance measures do you use?
We maintain precision tolerances through advanced inspection equipment and documented quality control processes for every production stage.
Do you offer coating and finishing services?
Yes, we provide stainless steel, copper, chrome, nickel, and ceramic coatings for enhanced component durability.