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Last updated: September 2026
This directory lists 21 women owned machine shops across the United States, from precision multi-axis CNC to specialized rapid prototyping.
Buyers frequently leverage these suppliers to solve critical production challenges such as achieving sub-micron tolerances for sensitive medical components, securing ITAR compliant machining for defense projects, or mastering complex geometries in high-performance materials like Inconel or titanium. These shops offer solutions for reducing lead times through optimized CAM programming and ensuring part integrity via thorough first-article inspection (FAI) protocols.
The range of women-owned machine shops includes agile job shops specializing in quick-turn prototypes and small batch runs, through to larger facilities equipped for high-volume production with advanced automation and lights-out manufacturing. Some focus on specific niches like aerospace components requiring AS9100 Rev D certification, while others provide a broader spectrum of services from EDM to surface grinding and comprehensive assembly.
To ensure a smooth engagement, buyers should come prepared with fully dimensioned CAD models, material specifications (including specific grades or heat treatments), critical tolerance call-outs, and a clear understanding of expected production volumes. Suppliers expect detailed Requests for Quote (RFQs) that clarify any required certifications, testing, or post-machining finishing processes.
A notable trend within this segment is the increasing adoption of Industry 4.0 technologies, including advanced robotics, real-time machine monitoring, and integrated quality control systems. This shift enhances precision, reduces human error, and allows women-owned shops to compete on a global scale by offering unparalleled efficiency and consistent output.
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21 companies nationwide
Based in Sunnyvale, CA, M3 Mfg, LLC is a woman-owned precision CNC machining shop. The company offers extensive experience, including 30 years in the industry and 18 years specifically serving the aerospace sector with high-quality machining services.
Based in Wixom, MI, CCI Companies is a women-owned, ISO 9001:2015 certified CNC precision machining shop. They specialize in mission-critical work, providing high-quality machining services for industries such as military, drawing on two decades of experience.
Based in Reno, NV, CES Machine is a woman-owned business specializing in high-precision CNC machining. They manufacture turned and Swiss machined components, primarily under three inches in diameter, for regulated aerospace, medical, defense, and robotic OEMs. The company holds AS9100, ISO 13485, and ITAR certifications.
Based in St. Louis, MO, H&H Metal Fabrication is a women-owned and operated company providing comprehensive metal fabrication services. Established in 2019 under new ownership, the company builds upon over 77 years of industry experience.
Mennie Machine Company, certified as a Women-Owned Small Business, provides high-volume CNC contract precision machining from its Mark, IL facility. Established in 1970, the IATF 16949:2016 certified company specializes in medium to large complex parts with robotic integration, serving the automotive and construction industries.
Based in Augusta, WI, MRS Machining Co. is a women-owned business established in 1986. They provide precision CNC machining services, including 5-axis milling, turning, multitasking, and deep-hole drilling. Serving aerospace, medical, oil & gas, energy, and industrial manufacturers nationwide, the company is ISO 9001:2015 certified.
Prosper-Tech Machine, a WOSB-certified company based in Richmond, MI, specializes in state-of-the-art CNC machining for aerospace and defense OEMs. They provide mission-critical, tight-tolerance parts with advanced automation and a rigorous quality system, holding AS9100, ISO 9001, and ITAR certifications.
Protomatic Inc. is a Women-Owned Small Business based in Dexter, MI, specializing in prototype and short-run CNC machining of custom parts. They provide precision manufacturing services for critical applications in industries like medical and aerospace, focusing on life-saving quality.
3701 St Valentine Way, Orlando, FL 32811.
Founded over 20 years ago, SEI Technologies is an AS9100-certified precision machine shop specializing in the production of high-quality.
1695 E.E. Williamson Rd, Longwood, FL 32779.
Based in Fond du Lac, WI, Spark Ops Metalworks is a women-owned, SBA-certified business. They specialize in custom steel and aluminum structures, providing large-scale structural fabrications and modular solutions for diverse industries nationwide, including aerospace. Spark Ops offers exceptional abilities and technology for complex projects.
Based in Carpentersville, IL, Stanley Machining & Tool Corporation is a woman-owned small business offering comprehensive manufacturing solutions. With over 50 years of experience, they specialize in precision milling, turning, and assembly for industries including aerospace, defense, and heavy equipment. The company holds AS9100D and ISO9001:2015 certifications.
We have a large variety of CNC Mills, Lathes, Wire EDM and CMMs. This enables us to create complex parts with extreme precision. As well as the ability to.
Based in Colorado Springs, CO, Tri-Gon Precision, Inc is a woman and minority-owned machine shop with over 50 years of experience. They provide high-precision CNC machining, milling, Swiss screw machining, and grinding services for complex, close-tolerance parts. Tri-Gon Precision proudly serves businesses nationwide.
Quickparts offers rapid prototyping, functional prototyping and low-volume manufacturing services through its in-house engineers, installed base of 3D.
Based in Atlanta, GA, Rathburn Precision Machining is a woman-owned company specializing in CNC machined components. With over 40 years of experience, they serve manufacturers across diverse industries, including automotive, defense, and construction. They provide direct precision machining services to industrial clients.
Based in Houston, TX, Cutting Source Precision, Inc. is a WBENC-certified women-owned machine shop specializing in the production of high-quality CNC machined parts. The company adheres to ISO 9001:2015 standards, ensuring precision and reliability for various industrial applications.
Based in Bloomington, IL, Mechanical Devices is a family-owned machine shop with over 300 employees. Led by CEO Carol Kant and CFO Linda Fillingham, it specializes in advanced multi-axis and multi-spindle CNC machining. They manufacture grey iron, steel, aluminum castings, and steel forgings.
Tancredi Machining, Inc. is a WOSB/WBENC certified precision CNC machine shop with 30+ years of experience. Specializing in Swiss/Multi-Tasking, milling, turning, and reverse engineering, they process diverse materials from aluminum to Hastelloy. They deliver precision components for medical, automotive, electronics, construction, and military applications.
Miller Redpath Engineering is an ISO 9001 and AS9100 certified, woman-owned small business based in Plainville, CT. Specializing in precision CNC machining, they offer 3, 4, and 5-axis milling, turning, Swiss machining, grinding, and wire EDM. MRE provides high-quality components and assemblies for aerospace, defense, medical, and industrial manufacturing industries.
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WBE (Women Business Enterprise) certification provides strategic advantages by helping organizations meet diversity spend goals and strengthen supply chain resilience. While WBE status highlights a commitment to diversity, your primary selection criteria should remain technical capability, quality control, capacity, and relevant industry certifications (like AS9100 for aerospace or ISO 13485 for medical). A WBE-certified machine shop offers the dual benefit of meeting these technical demands while also enhancing your supplier diversity metrics and often bringing a fresh perspective to problem-solving and DFM.
For highly regulated industries, specific certifications are non-negotiable. For aerospace and defense, look for AS9100 Rev D, which denotes a robust quality management system specifically for the aviation, space, and defense industries, and ITAR compliance for handling controlled technical data. In the medical device sector, ISO 13485 is critical, indicating adherence to strict quality management standards for manufacturing medical devices. Always ask for proof of certification and inquire about their internal audit processes and how they ensure traceability and first-article inspection (FAI) consistency.
Engaging a women-owned machine shop for DFM feedback as early as possible in your design cycle is highly recommended, especially for complex or novel components. An experienced shop can provide invaluable insights on material selection, part geometry optimization, tolerance stacking, and fixturing strategies that can significantly reduce production costs, improve manufacturability, shorten lead times, and prevent costly redesigns. Many women-owned shops pride themselves on their collaborative DFM approach, leveraging their expertise to optimize your designs before a single chip is cut.