Technical Consulting & Engineering in
Amriswil

TopSyst Ost AG

Since 2017 · 1–10 empl.·5.0(12)

The core activity of TopSyst Ost AG is the development and manufacture of individual vehicle equipment tailored to the specific needs and wishes of customers. This includes consulting, planning, design, production, assembly and delivery of vehicle equipment that meets both functional and aesthetic requirements. The company offers both its own systems (TopSyst) and external systems or combinations thereof, and emphasizes Swiss quality workmanship and durability.

Bücheler Baumanagement AG

Since 2003 · 1–10 empl.·4.3(39)

Bücheler Baumanagement AG provides project development, execution planning and general contracting for residential and commercial buildings, and also handles property sales and rentals.

3D innotec AG

Since 2014 · 1–10 empl.·5.0(13)

The company provides services in the areas of 3D scanning, engineering, quality assurance and reverse engineering. It supports customers in solving problems in the field of 3D measurement technology and quality and process management. The company's core activity is the provision of technical services and the provision of solutions for industry, particularly in the field of 3D technology.

Bücheler Services AG

Since 2014 · 1–10 empl.·4.3(39)

Bücheler Services AG provides architectural and general-contracting services, including project development, execution planning, and the sale and rental of residential and commercial properties.

Lüber System GmbH

Since 1996 · 1–10 empl.·4.5(11)

The core activity of Lüber System GmbH is the development, production and distribution of devices for water treatment, particularly for rust renovation and decalcification of water pipes, without the use of chemical additives. This also includes services such as pipe analysis, replacement of faucet filters and regular maintenance of the systems.

MFrei Infra GmbH

Since 2014 · 1–10 empl.

The core activity of MFrei Infra GmbH is consulting, planning and implementing projects in the field of natural hazard prevention and infrastructure management. In particular, the company supports decision-makers at the federal, cantonal, municipal and infrastructure owner levels in dealing with natural hazard problems such as avalanches, rockfall, landslides and floods, and assists in the conception and implementation of protection structures and infrastructure facilities.

FITECH AG

Since 1989 · 1–10 empl.·5.0(2)

The core activity of Fitech AG is the design and manufacture of machinery and equipment for the production of adhesives and sealants, particularly the construction and production of intelligent and resource-efficient systems for the manufacture of low to high-viscosity products such as adhesives and sealants.

Klimahelfer Klimaeinbau GmbH

Since 2025 · 1–10 empl.·4.8(16)

The core activity of Klimahelfer GmbH is the planning, development and implementation of climate installations and comprehensive climate solutions, including heating, ventilation and cooling systems, as well as the provision of engineering services and emergency supply concepts.

etb Elektroplanung GmbH

Since 2023 · 1–10 empl.

etb Elektroplanung GmbH provides electrical planning services, including building and area electrical design, fire-alarm and security system planning, and consultancy for photovoltaics, EV charging infrastructure and emergency power supplies. The company supports projects from feasibility studies, tender documentation and CAD execution plans through construction supervision, commissioning and integrated testing.

marok Marcel Okle Consulting & Dienstleistungen

Since 2006 · 1–10 empl.

The core activity of the company "marok Marcel Okle Consulting & Dienstleistungen" is the consulting and support of companies, particularly architects, in the field of information technology (IT) and data processing (EDP), including the setup and support of networks as well as the provision of drawing and plotting services.

Devdas TrueVine Insights

Since 2025 · 1–10 empl.

Devdas TrueVine Insights provides services for production AI systems, with a focus on LLM applications, retrieval and agent workflows, and data pipelines. The company also covers evaluation, security, cost control, documentation, and training for handover.

Alfatec AG

Since 1991 · 1–10 empl.