127 companies found
ROLI rent und event niederer
Altenrhein · Since 2003
The core business of the company "Rent and Event" is the rental of vintage cars and other special vehicles for special occasions such as weddings, anniversaries, birthdays and other events. The company also offers consulting and organization of trips and events.
Sabix AG
Altenrhein · Since 2022
The core activity of Sabix AG is the provision of IT consulting services and services in the field of digitalization. The company supports its customers in their digital transformation and helps them to increase their productivity.
startIT GmbH
Altenrhein · Since 2007
startIT GmbH develops API-based solutions and provides services in data management, crossmedia, CRM (Microsoft Dynamics), Umbraco content management, hybrid mobile apps and event applications.
DeepGrow AG
Altenrhein · Since 2025
DeepGrow AG develops a digital mental fitness platform that provides short guided audio micro‑sessions for employees to support sleep, stress regulation and focus. The service includes personalized training phases with AI‑supported personalization and an anonymized dashboard delivering aggregated HR insights.
Gallusser AG
Altenrhein · Since 1994
The core activity of Gallusser AG is civil engineering, particularly road construction, as well as specialized services such as shaft drilling and horizontal cutting.
Heli-Maintenance AG
Altenrhein · Since 2004
Historic Flight Maintenance HFM GmbH
Altenrhein · Since 2010
The core activity of Historic Flight Maintenance GmbH is the maintenance and upkeep of historic ex-military aircraft as well as modern aircraft such as Diamond or Tecnam. This includes in particular: Periodic inspections (50h, 100h, Annual Inspection), repair work, painting, avionics work, modifications and upgrades, and annual inspections of LTA's and SB's. The company specializes in the maintenance of aircraft such as Cessna, Piper, Cirrus, Tecnam, Diamond, Pilatus P3, Pilatus PC-7, Boeing Stearman and other historic aircraft.
IET Ingenieurbüro für Energietechnik AG
Altenrhein · Since 1991
The core activity of IET Ingenieurbüro für Energietechnik AG is the creation of energy certificates, Minergie applications and other planning documents for new buildings and renovations, as well as advising customers on energy-related issues and developing concepts for residential, industrial and commercial buildings. Furthermore, the company creates building energy certificates (GEAK) and overall energy concepts according to GEAKplus.
Marlan Holding AG
Altenrhein · Since 2016
NAVO AG
Altenrhein · Since 2018
SAI Swiss Aviation Interiors GmbH
Altenrhein · Since 2022
The core activity of Swiss Aviation Interiors GmbH is the development, production, repair and maintenance of interior components for aircraft, particularly for business and private jets. This includes, among other things: Design and manufacture of seating furniture, carpets, upholstery and other interior components; Repair and maintenance of aircraft cabins; Consulting and planning of interior designs; Quality control and testing of materials and components. The company also offers specialized services such as the production of custom-made seating furniture and the development of individual carpet designs.
Welti Services & Solutions
Altenrhein · Since 2019
The core activity of Welti is the provision of services in the field of digital marketing and web development, specifically: development and optimization of digital marketing strategies, creation and management of paid advertising campaigns (Google Ads, Social Media Ads), conducting marketing audits and conversion rate optimizations, web development (UI/UX design, product development, web analytics), and data analysis and interpretation to support marketing and business decisions. The company positions itself as a data-driven design agency that develops creative solutions for complex challenges, putting customer needs and wishes at the forefront.
A.C. Friedrich AG
Altenrhein · Since 1995
Airport Altenrhein AG
Altenrhein · Since 2000
Altenrhein Airport Catering GmbH
Altenrhein · Since 2004
Altenrheiner Puppenatelier Edith Koch
Altenrhein · Since 1994
Altenrhein Realco AG
Altenrhein · Since 2000
Antic Solutions
Altenrhein · Since 2022
ASB Holding AG
Altenrhein · Since 2022
AURA-Gebäudetechnik, Inhaber Marinkovic Antonio
Altenrhein · Since 2024
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Source: Federal Statistical Office, UID register