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Presi Sàrl 

Le Locle · Since 2001

The core activity of Presi is the development, manufacture and distribution of products and solutions for metallography and materialography, particularly for the preparation and analysis of materials. This includes machines, accessories, consumables and laboratory solutions for grinding, polishing, hardness testing and microscopy of materials. The company also offers training, applications and quality control for various industries such as 3D printing, heat treatment, medicine, technology and quality control of various materials like steel, stainless steel, cast iron, copper alloys, aluminum, nickel, titanium and ceramic materials.

Prétôt S.A. 

Le Locle · Since 1989

Prétôt S.A. is a family-run company specializing in roofing work, offering sheet-metal (ferblanterie) services, roof coverings, roof maintenance and renovation, and installation of lightning conductors, roof windows (Velux) and photovoltaic panels; it serves both private and professional clients.

Prétôt Holding Sàrl 

Le Locle · Since 2023

Prétôt Holding Sàrl provides roofing services including sheet-metal (ferblanterie) work, roof covering, maintenance and renovation, and the installation of photovoltaic panels, lightning protection and roof windows. The company serves private and professional clients and prepares measured estimates and technical drawings (DAO) for projects.

Prim'Heure, Donzé 

Le Locle · Since 2017

The core activity of Prim'heure, Donzé is the delivery of fresh fruits and vegetables directly to customers, both private individuals and companies. The company works closely with local farmers and suppliers to ensure high-quality products. Products are refreshed daily and handled with minimal inventory to maximize freshness.

"REA-SUISSE" Association d'entraide du Centre d'Accueil Evangélique du Cameroun 

Le Locle · Since 2007

The core activity of REA Suisse is the implementation of humanitarian projects in Africa, particularly in Cameroon, with a focus on: * Education and literacy for children and adults * Vocational training for young people * Health promotion * Empowerment of girls and young mothers * Development of rural areas * Tourism with social responsibility REA Suisse is a charitable organization that works towards achieving the United Nations' Sustainable Development Goals and collects donations and support for its projects.

Rewitech S.A. 

Le Locle · Since 1988

The core activity of Rewitech SA is the development, manufacture and marketing of precision machines, in particular: cylindrical grinding machines for internal and external processing of precision parts, and mini machining and watch decoration centers for the processing and decoration of watch parts. The company focuses on the production of machines for the watch industry and the processing of precision parts, particularly for the decoration of watch parts such as diamond setting, Côtes de Genève, Colimaçonnage and Ensoleillage.

S.E.R.T International SA, société engineering et recherches technologiques 

Le Locle · Since 1998

The core activity of Shockwave Medical is the development, manufacture and marketing of medical devices and technologies for the treatment of cardiovascular diseases, particularly for the treatment of coronary and peripheral arterial diseases, as well as for the reduction of coronary sinus in refractory angina. The company also offers educational and training programs for medical professionals.

Siegenthaler & Choffet S.A. 

Le Locle · Since 1988

The core activity of Siegenthaler & Choffet SA is to provide services in the field of electrical engineering, particularly in the areas of: strong and weak current installations, lighting technology, electrical household appliances, and repair and maintenance services. The company offers these services in the regions of Le Locle, La Brévine and Val-de-Travers and has over 35 years of experience in this field.

Sirad S.A. 

Le Locle · Since 1990

Sirad SA develops, manufactures and distributes radiation protection products and services for the medical sector, particularly for radiology, radiotherapy and surgery. The products include radiation protection clothing, eye protection, gloves, shielding and storage aids.

SMART DIAMOND Sàrl 

Le Locle · Since 2025

The core activity of Smart Diamond Sàrl is the trade and distribution of diamonds, with the company placing emphasis on sustainability, authenticity and traceability.