Plastics Industry

Shopping-Bags GmbH 

Wettingen · Since 2013

The company's core activity is the production and distribution of promotional bags, particularly shopping bags and fair bags made from various materials such as paper, film, plastic and non-woven, as well as the manufacture of printed bags using various printing and finishing processes.

Siegfried Kahn Trading AG 

Zurich · Since 1995

The core activity of Siegfried Kahn Trading AG is the trade in iron, metal and plastics, particularly in the field of scrap metal trading.

SIGA Manufacturing AG 

Schachen Lu · Since 2005

SILCOPLAST AG 

Wolfhalden · Since 1985

The core activity of Silcoplast AG is the development and production of plastic and silicone components, particularly for demanding applications in various industries such as medical technology, hearing aid industry and other sectors. This includes the manufacture of high-precision and durable silicone parts, such as LSR silicone injection molding, HTV silicone and THP, as well as the production of plastic components using 3D printing.

Silicon Swiss Sagl 

Cadro · Since 2007

The core activity of Siliconswiss is the production and distribution of products for waste disposal and hygiene, particularly: waste bags, dog waste bags, automatic distributors and vending machines for the dispensing of waste bags and dog waste bags, as well as dispensers and collection bins for dog waste bags. The company also offers customized products, such as personalized waste bags and dog waste bags.

siloxene AG 

Brüttisellen · Since 2020

The core activity of Siloxene AG is the development and commercialization of silicon-based, hybrid molecular building blocks, particularly Q-T-Polysiloxane resins, which are used as additives and enablers in various industries such as coatings, adhesives, elastomers and polymers. The company also offers customized solutions for bonding polymers and other materials to enhance the performance properties of products.

SIMEXcomposites GmbH 

Appenzell · Since 2006

The core activity of SIMEXcomposites GmbH is the development, manufacture and implementation of innovative composite solutions, particularly made of glass fiber reinforced materials, for various industrial sectors such as telecommunications, energy and construction. The company offers customized solutions for specific customer requirements, including planning, design, manufacturing and assembly of components and structures.

Sintron-Polymec AG 

Grenchen · Since 1981

The core activity of Sintron Polymec AG is the development, manufacture and delivery of complex technical components and assemblies, in particular gears, gearboxes and other precision parts, for various industries such as automotive, consumer goods and healthcare. The company offers comprehensive services, from development and design to tooling and parts production, as well as assembly and validation.

Sipchem InnoVent SA 

Lausanne · Since 2023

Sipchem InnoVent SA is the innovation and corporate venture capital arm of Sipchem, focusing on technologies for sustainability, circularity and decarbonization in the petrochemical sector. The organisation runs internal innovation activities to develop technologies for plastic circularity and operates a corporate venture capital programme investing in startups across sustainability and decarbonisation. It also develops and markets Meras® polymer compounds, including PBT grades and r‑PET formulations sourced from 100% post‑consumer recycled PET for injection-moulding applications.

Sipec Product GmbH 

Dürnten · Since 1996

The core activity of Sipec Product GmbH is the manufacture and distribution of ID accessories, in particular wristbands, ID holders, clips, jojos, card holders, card punches, lanyards and plastic cards, including RFID cards.

Sky Composites AG 

Meilen · Since 2019

The core activity of Sky Composites AG is the development, manufacture and marketing of high-performance composite materials and related services. This includes in particular: The production of core materials such as balsa, PVC foam, PET foam and PMI foam as well as structural honeycombs and laminates. The development and delivery of advanced reinforcement materials such as carbon fiber and glass fiber composite materials. The provision of services such as core material processing, engineering support, global sourcing and laboratory testing. The company focuses on supplying industries such as wind energy, marine, automotive, transportation, construction, sports and leisure.

smartfilaments AG 

Wil Sg · Since 2012

The core activity of smartfilaments AG is the development and production of sustainable, functional filaments for various industries. The company offers consulting, research and development of filaments tailored to the specific needs of its customers.

SMF - Sondermodellefabrik AG 

Giubiasco · Since 1980

SMF - Sondermodellefabrik AG manufactures etched parts in brass, nickel silver and copper for model makers and related industries, and provides drawing services, film production, prototyping and series production. Operations were discontinued on 31 August 2023; drawing orders are still accepted and solutions for future etching work are offered.

SMS S.I. SA 

Champagne · Since 2003

SMS S.I. SA provides subcontract thermoforming of plastic parts, including the design and manufacture of molds and thermoformed packaging. It produces custom plastic packaging for sectors such as watchmaking, precision-turned parts (décolletage) and food.

SMS Thermoformage SA 

Champagne · Since 2022

SMS Thermoformage SA is a subcontractor for thermoforming that develops and manufactures custom plastic packaging such as blisters, trays and thermoformed shells. The company works with a range of thermoplastic materials (including biodegradable options such as PLA) and supplies sectors including food processing, watchmaking, precision turned parts (décolletage) and pharmaceuticals.

Solaxess SA 

Marin-Epagnier · Since 2015

The core activity of Solaxess is the development and integration of photovoltaic technology into building envelopes, particularly in the form of white solar panels that can be integrated into building facades. The company specializes in the manufacture of photovoltaic modules that meet both aesthetic and energetic requirements.

SOLUNIQ Sàrl 

Bex · Since 2018

The core activity of Soluniq is the manufacture and distribution of exclusive, decorative resin coatings for various applications.

solutions2day gmbh 

Schlieren · Since 2001

The core activity of solutions2day GmbH is the development, production, and distribution of specialized film products, particularly for the printing industry and other sectors. This includes, among other things: The production of inkjet films, screen printing films, and digital printing foils on polyester (PET) and polypropylene; The development and application of high-tech coating technologies for the film industry and graphic industry; The trade in untreated and coated polyester raw materials for large industry and medium-sized businesses; The creation of customer-specific coatings and consulting on coating solutions; The cutting and storage of film products. The company positions itself as a specialist for innovative and versatile industrial applications in the printing industry and other sectors.

SOTECH Plastics AG 

Gansingen · Since 2020

The core activity of SOTECH Plastics AG is the development, manufacture and distribution of plastic products and solutions, in particular hot and cold channel systems, plastic granulates, semi-finished products, filaments and cleaning granulates, as well as consulting and supporting customers in the selection and application of these products.

SP United Holding AG 

Kreuzlingen · Since 1996

The core activity of SP United is the development, production and distribution of plastic parts, particularly through injection moulding, as well as the design and manufacture of tools (tool design and toolmaking). The company specializes in supplying the automotive industry and other sectors with complex plastic parts. In addition, the company also develops and distributes its own branded products, such as SP Bindings, SP Gadgets and SP Connect, which are distributed worldwide in over 70 countries.