Machining Companies in Cluses: 18 Listed Workshops

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.

Check the materials mastered

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.

Match the batch volume

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.

Cluses has historically been the world's epicenter of Swiss machining (bar turning), an activity born in the 19th century in the Arve Valley with the manufacture of screws for the watchmaking industry. This unique industrial heritage has shaped an ecosystem where family-owned SMEs and specialized workshops coexist, notably clustered in the Vouilloux and Ewües industrial zones. The high density of bar turning specialists — illustrated by players such as Bibollet Décolletage, Technic Vallée Décolletage, FML Décolletage and BA Usinage — reflects the continuation of this local know-how in machining small-diameter metal bars to very high precision.

Beyond traditional Swiss machining, the industrial fabric of Cluses has evolved toward complementary processes: 5-axis milling, grinding, honing and sinker EDM are now practiced locally, notably to meet the requirements of the aerospace, medical and automotive sectors. Workshops such as Kolly Précision, Paris Savoie Industries and the 5-axis workshop on Chemin de Pressy illustrate this technological upgrade, firmly establishing Cluses in high-precision industrial subcontracting well beyond the screw-cutting trade that founded it.

The offering of the 18 workshops listed in Cluses is overwhelmingly oriented toward Swiss machining and turning: sixteen of them practice turning, and the vast majority also offer bar turning as a core process. This concentration reflects the historical vocation of the area: mass-producing small-diameter cylindrical parts to tight tolerances. Milling complements the offering at most workshops, allowing for more complex geometries or secondary operations on already-turned parts. A few workshops, such as Kolly Précision or Paris Savoie Industries, add grinding, and even honing, to achieve the most demanding surface finishes and final dimensions.

In terms of end markets, the available data explicitly identifies aerospace, medical and automotive as client sectors, notably via CETIM-CTDEC and MGB. The density of precision Swiss-machining specialists suggests that the components produced — special fasteners, shafts, bushings, inserts, connectors — feed assembly lines in these same highly regulated industries. A buyer seeking turned parts in small or medium batches, in common materials such as steel, aluminum alloys or brass, will find a particularly rich pool of suppliers in Cluses. However, needs involving sheet metal fabrication, laser cutting or surface treatment will require sourcing from suppliers outside this area.

Before contacting a Cluses workshop, prepare a complete technical package: a dimensioned drawing in PDF format with tolerances clearly indicated, a 3D file if available (STEP or IGES preferred), precise designation of the material and its condition (hardened, raw, etc.), the desired quantity and the expected recurrence of the order. In Cluses, Swiss machining workshops are sized for series production: the more defined and stable your volume, the more competitive the quote will be. For a single part or a prototype, prioritize workshops that practice both turning and milling with a versatile CNC fleet, rather than automatic bar-turning specialists who recoup their tooling costs on larger volumes.

Geographic proximity becomes especially valuable when back-and-forth exchanges are needed: first-article validation, on-site dimensional inspection, tolerance adjustments during a production run. In an area as dense as the Arve Valley, competition among workshops works in your favor for standard parts, but lead times can tighten during peak sector activity — particularly when aerospace and automotive demand surges simultaneously.

Always check a workshop's certifications relative to your sector: a part destined for aerospace requires an EN 9100-audited supplier, while a medical part often calls for ISO 13485 compliance. CETIM-CTDEC, present locally, can direct you toward workshops meeting these requirements. Finally, always ask about in-house inspection capabilities — CMM, roughness testers, profile projectors — since in Cluses, the best-equipped workshops in metrology are often the ones serving the most regulated sectors.