The Mulhouse industrial basin offers a diversified range of mechanical machining services. Each machining company in Mulhouse listed here covers processes ranging from turning and milling to grinding and slotting. Sectors served include aerospace, automotive, nuclear energy, and medical, reflecting demanding local requirements for precision and versatility. The 9 listed workshops are based in Mulhouse itself or in neighbouring towns such as Richwiller and Sausheim.
Ranking updated on October 8, 2026 · per the cnc-machine methodology
Ranking of machining and precision-engineering workshops in the area. Each listing shows the processes and materials worked. Contact is made through the central form.
Family-owned company based in Sausheim, in the Mulhouse metropolitan area, specializing in precision machining and welded assemblies for over fifty years. Carries out turning and milling for clients notably from aerospace and the chemical industry. Applies rigorous quality control to all parts produced.
Industrial precision engineering and machining group headquartered in Mulhouse. Active in numerous sectors including aerospace, automotive, medical and nuclear. Operates a fleet of CNC machining centers for the production of prototypes and series ranging from simple parts to high-precision components.
Precision general engineering company established in Richwiller since 1993, in the Mulhouse metropolitan area. Manufactures machining and inspection fixtures, thermoforming and molding tools, as well as one-off and small-to-medium series machined parts in various materials.
Industrial mechanical engineering SARL founded in 2010 and based in Mulhouse. Listed in Kompass directories for machining of metal parts by turning and milling. Works in industrial subcontracting for regional clients.
Machining and turning company established in the ZAC du Parc des Collines in Mulhouse since 1998. Works as a subcontractor for the manufacture of one-off parts, prototypes and series parts in all metals. Also offers design and manufacture of special-purpose machines.
Subcontracting and machining company founded in 2015, based in Alsace with operations centered around Mulhouse and the Grand Est region. Offers machining, design, and industrial maintenance services for clients across various sectors.
Industrial mechanical engineering company established in Mulhouse, active in blueprint-based precision machining. Manufactures one-off parts and small series, with stated capabilities in milling, turning and keyway broaching.
Industrial mechanical engineering company based in Mulhouse, founded in 2022. Active in machining, brazing and welding of metal parts on a subcontracting basis. Listed in specialized directories for turning and milling of metal parts for the Haut-Rhin region.
Precision machining company based in Mulhouse, serving various sectors including automotive, industry and plastics processing. Notably offers high-precision keyway broaching operations. ISO 9001 certified.
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| Workshop | Turning | Milling | EDM | Grinding | Batches |
|---|---|---|---|---|---|
| De Gruttola | ✓ | ✓ | — | — | One-off → Small batch |
| Groupe SPR | ✓ | ✓ | — | — | Small batch → Medium batch |
| HAMECA SAS | ✓ | ✓ | — | — | One-off → Medium batch |
| M2SC | ✓ | ✓ | — | — | Small batch → Medium batch |
| Mécanique de Précision Mulhousienne | ✓ | ✓ | — | ✓ | One-off → Small batch |
| Mecanum International | ✓ | ✓ | — | — | Small batch → Medium batch |
| MPM-Proceptis | ✓ | ✓ | — | ✓ | One-off → Small batch |
| RED Industrie | ✓ | ✓ | — | — | Small batch → Medium batch |
| SMK Plastimetal SAS | ✓ | ✓ | — | — | Small batch → Medium batch |
Choosing a machining subcontractor depends first on the nature of your part. A part of revolution (shaft, ring, axle) calls for turning; a prismatic part with complex shapes calls for milling, ideally 3 or 5 axes. For shapes impossible to obtain by conventional cutting, EDM becomes necessary.
Not all workshops work the same materials. Aluminium and steel are almost universal; stainless steel, titanium and superalloys require more expertise and suitable tooling, common in aerospace- and medical-oriented workshops.
For a prototype or a one-off part, favour a responsive workshop with a design office. For medium or large batches, machine capacity and automation become decisive for the unit price.
Workshops in the area cover most material-removal machining processes.
Mulhouse and its metropolitan area draw on an industrial heritage rooted in mechanics and materials processing, forged over decades of textile activity followed by the automotive industry, with the historic presence of major OEMs (original equipment manufacturers). This legacy has shaped a network of specialised subcontractors capable of meeting the demands of the aerospace, automotive and nuclear sectors, as reflected in the sector coverage of the listed workshops — most notably Groupe SPR, which serves all three industries simultaneously as well as the medical sector.
Peripheral industrial zones such as Richwiller and Sausheim are also home to machining workshops — HAMECA SAS and De Gruttola — which benefit from their proximity to the logistics and industrial hub of Euroairport Basel-Mulhouse-Freiburg. This cross-border location, at the crossroads of France, Germany and Switzerland, naturally steers Mulhouse-area workshops toward markets with strict quality requirements, reinforcing the culture of precision that characterises the local machine park as a whole.
The 9 workshops in the Mulhouse basin cover a notable sector range for a metropolitan area of this size. Aerospace is present at several companies — De Gruttola in Sausheim and Groupe SPR in Mulhouse — which requires mastery of demanding materials (aluminium alloys, high-strength steels) and compliance with strict quality standards. Automotive is also a recurring outlet, driven notably by SMK Plastimetal SAS, which combines turning, milling and slotting for parts that may be integrated into mechanical or transmission assemblies. Groupe SPR further extends its scope to medical and nuclear energy, two sectors where material traceability and process qualification are non-negotiable.
In terms of processes, turning and milling are universally available at all listed workshops. Cylindrical or surface grinding is offered by at least two Mulhouse-area companies — Mécanique de Précision Mulhousienne and MPM-Proceptis — enabling surface finishes and final dimensions unattainable through milling alone. Slotting, a less common process, is available at three workshops (Mécanique de Précision Mulhousienne, MPM-Proceptis, SMK Plastimetal SAS), a useful capability for machining keyways or complex internal profiles. Gear cutting, specified by Groupe SPR, remains the rarest and most specialised capability in the local panel.
Workshops whose sectors are not specified — HAMECA SAS, M2SC, Mecanum International, RED Industrie — likely operate across diversified markets or as tier-2 subcontractors. Buyers whose needs relate to general tooling, industrial mechanics, or prototyping may find this group potentially more responsive for parts without specific sector requirements.
Before requesting a quote from a Mulhouse-area workshop, prepare a complete file: a dimensioned 2D drawing with tolerances and surface finishes, a native or STEP 3D file, precise material designation (standardised grade, not just "steel" or "aluminium"), and the desired quantity, indicating any recurring need. Workshops in the basin, accustomed to aerospace and automotive requirements, are attentive to the quality of the specification: an incomplete drawing lengthens exchanges and can delay your lead time by several days.
What makes a quote vary here is primarily geometric complexity and the process required: a part requiring grinding or slotting narrows the field to a limited subset of workshops, which can weigh on price if the request is urgent. Material also plays a role: titanium alloys or high-hardness stainless steels consume more tooling. If your sector requires certification (EN 9100 for aerospace, ISO 13485 for medical, nuclear qualification), check this from the first contact — not all Mulhouse-area workshops hold the same accreditations, and this factor shapes your choice as much as machine capacity.
Geographic proximity matters particularly in two cases: parts requiring iterative adjustments (prototypes, custom tooling) where physical back-and-forth speeds up fine-tuning, and just-in-time deliveries to production lines located in the region. The Mulhouse basin, straddling three countries, also offers the advantage of workshops accustomed to cross-border relationships — a useful criterion if your production site is in southern Germany or north-western Switzerland.
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Turning and milling are offered by all 9 listed workshops. Grinding is available at at least two of them, slotting at three, and gear cutting at one specialist. If your part requires several sequential processes, check that the workshop handles them all in-house to limit transport and lead times.
The sectors identified in the data are aerospace, automotive, medical, and nuclear energy. Several workshops do not declare a specific sector specialisation, making them accessible for varied markets — tooling, general mechanics, prototyping — without particular qualification constraints.
Both are complementary. The 3D file (STEP or native) allows the workshop to program machining toolpaths, but the dimensioned 2D drawing remains essential to specify tolerances, surface finishes, and inspection requirements. Providing both from the first contact avoids back-and-forth that delays the quoting process.
Workshops equipped with grinding can achieve tolerances of a few micrometres on critical dimensions. Precision turning and milling commonly reach IT6-IT7. For tighter requirements, specify your tolerances in the initial specification so the workshop can assess its actual machine capability.
For aerospace, ask whether the workshop is EN 9100 certified. For nuclear, qualification according to the client's reference standards (RCC-M, ESPN) may be required. Groupe SPR states it covers both sectors; always verify the exact scope of the certificate and its validity date before signing a purchase order.
Available data does not specify a minimum quantity per workshop. In a basin oriented toward precision and regulated sectors, workshops often work from single units or small batches. Mention your target quantity and indicate whether recurring orders are planned: this influences the manufacturing method and unit price.
The main factors are geometric complexity, the number of processes required (slotting or grinding add machine time), material (hard alloys wear down tooling faster), required tolerance, order quantity, and sector-related traceability or inspection requirements. Providing a complete file from the outset allows for a more accurate quote.
If your part requires a process unavailable locally (EDM, high-speed Swiss machining, integrated surface treatment), or if your volume justifies a dedicated line that local workshops cannot absorb, expanding your search becomes necessary. Proximity to southern Germany and Switzerland offers cross-border alternatives accessible without major logistics overhead.
Broaden your search to the surrounding industrial areas.