Engineer in
Widnau

22 companies in Engineer based in Widnau — name and year of registration from the commercial register. The list below shows them all.

Companies

All 22 companies in Widnau

schmidheiny engineering AG Logo

schmidheiny engineering AG

Since 2010 · 11–20 empl.5.0(6)

schmidheiny engineering AG plans electrical systems, building automation, communications, security and lighting systems. Its services also include fire protection planning, renewable energy planning and electrical safety inspections.

EngineerElectrical planningFire protection planningPlanning for renewable energy
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #1
Aeroex GmbH Logo

Aeroex GmbH

Since 2007 · 21–50 empl.

Aeroex GmbH provides consultancy for the aviation and aerospace industry, including audits, compliance and safety management, project advisory, seminars, and training. It also develops digital solutions for managing regulations, compliance obligations, and safety processes.

EngineerCompliance managementSafety managementIndependent audits and assessments
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #2
Biofermenta Schweiz AG Logo

Biofermenta Schweiz AG

Since 2011 · 1–10 empl.

Biofermenta Schweiz AG provides biological water-treatment solutions for swimming pools under the BioWaterPool brand, supplying patented filter systems (e.g., highFLOW, FlowBlow, FLOWBOX, downflow) and related water-treatment products. The company also offers consulting, technical services, installation and maintenance, and sells pool and natural-pool components via an online shop.

Research instituteBiological water treatmentTechnical consulting and project supportServices for installation and seasonal operation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
TBM Automation AG Logo

TBM Automation AG

Since 1989 · 11–20 empl.5.0(1)

TBM Automation AG develops and manufactures industrial automation solutions, from planning through commissioning. Its services include control engineering, electrical planning and software engineering, as well as retrofits, control cabinets, cable assembly, drive technology, robotics and controls for peening and blasting applications.

EngineerControl engineeringRoboticsDrive technology
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #4
SAG Industrietechnik GmbH Logo

SAG Industrietechnik GmbH

Since 2023 · 11–20 empl.5.0(5)

The core activity of SAG Industrietechnik GmbH encompasses the following areas: plant and special machine construction, assembly and service technology, as well as the printing and packaging industry. The company offers customized solutions and optimizations in the industrial sector and positions itself as a reliable partner for industrial technology solutions.

EngineerControl and automation technologyPlant and machine assemblyCommissioning
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #5
enerise ag Logo

enerise ag

Since 2016 · 1–10 empl.

Engineer
No score yet
RW

RWT Welti

Since 1993 · 1–10 empl.

Engineer
No score yet
TE

Tagmann Engineering

Since 2000 · 1–10 empl.

Engineer
No score yet
BG

bio-CONCEPT-med GmbH

Since 2006 · 1–10 empl.

Engineer
No score yet
P-

PMC - Hanzmann

Since 2007 · 1–10 empl.

Engineer
No score yet
FS

FMW Schweiz GmbH

Since 2011 · 1–10 empl.

Management consultant
No score yet
SB

Schneider Bausachverständiger

Since 2015 · 1–10 empl.

Engineer
No score yet

Engineer in Widnau

22EngineerCommercial register (Zefix) · as of November 6, 2026
2016Median year of registrationCommercial register (Zefix) · as of November 6, 2026
1,024in the Canton of St. GallenCommercial register (Zefix) · as of November 6, 2026
16,286in SwitzerlandCommercial register (Zefix) · as of November 6, 2026
Locations

Engineer in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of November 6, 2026