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Composites Busch SA 

Porrentruy · Since 2024

Composites Busch SA develops and manufactures tailored composite materials and provides engineering, additive manufacturing and quality management services. The company serves sectors including medtech, watchmaking and luxury, aerospace and mobility, and industrial manufacturing.

Confiserie Roelli Sàrl 

Porrentruy · Since 2015

The core activity of Confiserie Roelli is the manufacture and sale of baked goods, pastry and confectionery products.

COSÌmmob Sàrl 

Porrentruy · Since 2011

The core activity of COSÌmmob Sàrl is to provide consulting and support services to private individuals and professional actors in the field of real estate marketing, particularly in the preparation and execution of real estate sales and rentals. This includes services such as home staging, creation of sales promotion materials (e.g. 3D films, presentation brochures, flyers), technical and financial evaluations, as well as support in the implementation of architectural concepts.

Crelier fils SA 

Porrentruy · Since 2007

The core activity of Crelier Fils SA is the manufacture and sale of ruby and sapphire stones for the watch industry and industrial applications. The company produces precise stones and parts made of sapphire, ceramic and ruby for various applications, including watchmaking, micro-bearings, nozzles and other specific products.

Damassine Fleury-Perret Sàrl 

Porrentruy · Since 2005

The core activity of Damassine Fleury-Perret sàrl is the production and sale of food and beverages, particularly products based on the Damassine plum, such as brandy and other spirits.

DB Planification Sàrl 

Porrentruy · Since 2020

The core activity of DB Planification Sàrl is the provision of services in the fields of architecture, construction and real estate development. Specifically, this includes: Architecture: planning and design of buildings and facilities; Construction management: supervision and coordination of construction projects; General contracting: execution of construction projects from planning to completion; Renovation: renovation and modernization of existing buildings; Exterior design: planning and design of exterior spaces such as gardens, terraces and parking lots; Industrial building: planning and construction of industrial buildings and facilities; Turnkey houses: planning, construction and handover of completed houses. The company thus offers a comprehensive range of services for the planning, construction and renovation of buildings and facilities.

Domus Immobilier Sàrl 

Porrentruy · Since 2021

The core activity of Domus Immobilier is the brokerage and management of real estate, including: sale and purchase of residential and commercial properties, rental and management of residential and commercial properties, creation of PPE (pension fund and personnel establishments), property management, consulting and support in the search for real estate, creation of virtual tours and market value analyses. The company offers its services to both private and commercial clients and specializes in the Swiss market, particularly in the canton of Jura.

DSC SA Process Technology 

Porrentruy · Since 2004

The core activity of DSC SA consists in the development, manufacture and distribution of products and solutions for the processing and surface treatment of materials, particularly in the field of polishing and fine grinding. This includes the production of abrasive grinding tools, polishing pads, polishing machines and the development of customer-specific processes for various industries such as watch and jewelry, optics, electronics, automotive, medical and aerospace.

EcoEng SA 

Porrentruy · Since 2008

The core activity of EcoEng SA is the provision of engineering and environmental services, particularly in the fields of: forestry and environment, hydrology and hydraulics, natural hazards, soil and geotechnics, and geoinformatics. The company offers consulting and planning services to public and private clients in Switzerland and abroad, with the aim of developing sustainable solutions for environmental and infrastructure projects.

Efico SA 

Porrentruy · Since 2006

Efico SA is a green coffee specialist that connects coffee farmers with roasters and supplies sustainably sourced, quality-assured green coffee and related trading services. Its activities include origin sourcing, the Cuprima specialty coffee division and engagement through the EFICO Foundation to support sustainable coffee development.