Lille brings together a solid network of precision machining subcontractors. Each machining company in Lille listed here offers complementary capabilities: standard turning and milling, 5-axis milling, Swiss machining (bar turning), grinding, or wire and sinker EDM. Two workshops serve sectors with strict requirements — aerospace and medical — while the other six cover a broad range of general industrial needs, including one facility based in Lomme, a municipality within the Lille metropolitan area.
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.
Machining workshop in Lille with over 15 years of industrial experience. Produces mechanical parts to drawings using CNC turning and milling, covering all types of metals. Also carries out industrial maintenance and welded assembly work.
Precision mechanics workshop present for over 60 years in the Lille region. Specialised in turning, milling and bar turning to customer drawings. Works as an industrial subcontractor for various sectors of activity.
General and precision engineering workshop located in Lomme (a delegated commune of Lille). Offers milling, turning, stainless steel Swiss machining and welded assembly, with laser marking. Rated 5/5 by professional clients.
Company specialising in the machining of technical plastics, member of the Transmatech group. Produces machined plastic parts, including medical-surgical implants, using turning, milling and Swiss machining. Covers the industrial needs of the Nord (department 59).
Precision machining company based in Lille, offering turning, milling, grinding and wire EDM. Produces one-off parts, prototypes and series with integrated quality control.
Specialist in precision mechanics and machining in the Hauts-de-France region, Nord-Pas-de-Calais. Has a machine fleet including multi-function centres and 5-axis equipment (MAZAK, DOOSAN). Works notably in aerospace machining.
Precision engineering company certified ISO 9001 (AFAQ), offering machining, milling, turning as well as welded assembly and robotic welding. Works as an industrial subcontractor for a variety of clients.
Company specialising in general precision engineering for industry, backed by a quality organisation suited to major clients. Works as a subcontractor on mechanical parts machined to customer specifications.
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Request my quotes →Overview of the processes offered by the listed workshops.
| Workshop | Turning | Milling | EDM | Grinding | Batches |
|---|---|---|---|---|---|
| Atelier Droulet | ✓ | ✓ | — | — | One-off → Small batch |
| Dupriez Mécanique de Précision | ✓ | ✓ | — | — | One-off → Medium batch |
| Établissement situé à Lomme – Mécanique générale et décolletage inox | ✓ | ✓ | — | — | One-off → Small batch |
| Matechplast | ✓ | ✓ | — | — | One-off → Large batch |
| Mecasoka | ✓ | ✓ | ✓ | ✓ | One-off → Medium batch |
| Nord Metal Services | ✓ | ✓ | — | — | One-off → Medium batch |
| SARL Lequien | ✓ | ✓ | — | — | Small batch → Medium batch |
| SDM Dupuis Mécanique | ✓ | ✓ | — | — | 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.
Lille and its metropolitan area carry an industrial heritage rooted in materials transformation, inherited from the great decades of the Nord region's textile and metalworking industries. Today, this heritage translates into a concentration of general and precision machining workshops spread across business zones in the city and neighbouring areas such as Lomme, part of Lille Métropole. Proximity to the A1, A25 and A27 motorways facilitates logistics flows toward regional, Belgian and Paris-area (Île-de-France) customers.
The Lille machining network stands out for the coexistence of generalist structures — mastering conventional or CNC turning and milling — and specialists positioned in demanding sectors. Nord Metal Services serves the aerospace sector with 5-axis milling capability, while Matechplast directs its production toward the medical field. The presence of locally rare processes, such as wire and sinker EDM at Mecasoka, strengthens the Lille area's ability to handle complex geometries without resorting to subcontracting outside the region.
The 8 workshops listed in Lille and Lomme share a common base of conventional or CNC turning and milling, covering most needs for one-off parts and small batches. Several workshops also practise Swiss machining (bar turning) — the process of choice for medium and large series of small-diameter rotational parts — with notable specialisation in stainless steel at the Lomme facility, a demanding material favoured in the food, medical and chemical industries.
Two workshops stand out for identified sector-specific capabilities: Nord Metal Services works in aerospace with expertise in 5-axis milling, an essential process for complex parts with compound geometries; Matechplast, meanwhile, serves the medical sector, involving specific traceability and quality requirements. Mecasoka broadens the technological range with wire EDM and sinker EDM, as well as grinding — processes suited to hardened steels, complex internal shapes and tight tolerances unattainable through conventional chip removal.
In summary, a buyer seeking rotational parts in short to medium series, multi-face milled parts, or machining on difficult materials (stainless steel, treated steels) will find a coherent local offering. On the other hand, needs in sheet metal fabrication (boiler-making), very high-volume Swiss machining, or surface treatments should be directed to complementary suppliers outside this directory.
Before contacting a Lille-based workshop, be sure to prepare a dimensioned drawing in PDF format or a 3D digital model (STEP or IGES preferred), along with the precise material designation (standardised grade: e.g. 316L, 2017A, PA6-GF30) and the required surface finish. Without these elements, no workshop will be able to issue a firm quote. Also specify the desired quantity and, if possible, the expected recurrence: a one-off need for 5 parts will not be priced the same way as an annual open order.
In Lille, several factors cause quotes to vary: geometric complexity (Nord Metal Services' 5-axis milling requires heavier equipment and programming than simple turning), material choice (stainless steel and aerospace alloys increase machining time and tool wear), and the required tolerance level (grinding or EDM at Mecasoka come into play once standard tolerances are no longer sufficient). Always ask the workshop to identify which operation represents the dominant cost item.
Geographic proximity matters particularly for urgent parts or prototypes requiring back-and-forth adjustments. Within the Lille metropolitan area, the density of workshops allows for quick exchanges. However, depending on your sector, check whether the workshop holds the appropriate certifications: aerospace requires EN 9100, medical requires ISO 13485. For routine general mechanical needs without regulatory constraints, these certifications are not essential and their absence should not be a deal-breaker.
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The 8 listed workshops cover turning, milling, Swiss machining (bar turning), 5-axis milling, wire and sinker EDM, and grinding. Turning and milling are universally available; specialised processes (5-axis, EDM, grinding) are offered by specific workshops — check individual listings before requesting a quote.
Lead times vary depending on the workshop's workload, part complexity and processes involved. For simple small-batch machining, expect generally one to three weeks. A part requiring EDM or 5-axis milling with specific programming can extend this timeframe. Ask each workshop about their available capacity at the time of your request.
Most general machining workshops accept single parts or very small batches, particularly for prototyping. Swiss machining (bar turning) is better suited to longer series, since setting up the automatic bar-fed lathes represents a fixed cost to amortise. Specify your quantity from the first contact to be directed toward the most economical process.
At minimum, provide: a dimensioned 2D drawing (PDF) or a 3D file (STEP format preferred), the standardised material designation, the required surface finish (Ra in microns), critical tolerances, and the desired quantity. The more complete your file, the more precise and quicker the quote will be.
For aerospace, require EN 9100 certification — Nord Metal Services operates in this sector. For medical, check ISO 13485 compliance — Matechplast serves this market. For general mechanical work without regulatory constraints, no specific certification is mandatory, but an ISO 9001 quality approach remains a good indicator of rigour.
CNC turning and milling commonly allow tolerances in the order of a hundredth of a millimetre. Grinding, available at Mecasoka, goes down to the micron for flat or cylindrical surfaces. EDM enables shapes unreachable by conventional cutting with very high dimensional precision. Specify your critical tolerances on the drawing so the workshop can direct you to the right process.
If your need involves sheet metal fabrication (boiler-making), foundry work, surface treatment (anodising, hardening, coating), or very high-volume Swiss machining, this Lille directory does not cover these capabilities. Similarly, very specific needs in composite materials or metal additive manufacturing will require looking at other industrial hubs.
The machine fleet, workshop size, workload level and specialisation directly influence pricing. A workshop certified for aerospace or medical bears compliance costs that are passed on to prices. The choice of process (conventional turning vs 5-axis milling), material (stainless steel more costly to machine than aluminium), and required tolerance are the main drivers of variation.
Broaden your search to the surrounding industrial areas.