
Family-owned company for compressed air, energy, hydraulics up to 700 bar as well as precision mechanics, maintenance and machine rental.
Emga J. Donnet & Fils
Collombey (Valais), SwitzerlandNew on Amplifa
About Emga
Emga J. Donnet & Fils is a Swiss family business founded in 1968, headquartered in Collombey in the canton of Valais. The company offers solutions for compressed air and energy (compressors, generators, LED light towers from Atlas Copco) as well as high-pressure hydraulic solutions up to 700 bar, from design to maintenance. The company's own precision workshop in Collombey handles maintenance, repair and the manufacture of custom-made products and is certified to the ASIT/SVTI CFST 6516 and KIS-TR901 standards. As an official Atlas Copco dealer since 1968, Emga also offers spare parts, service kits, lubricants, energy audits of compressed air systems and breakdown service throughout French-speaking Switzerland. Via the Emgarent platform, machines are rented online around the clock; with Donbar, the company develops and markets its own adjustable construction site barriers. The warehouse holds more than 15'000 items; customers come from construction, industry, civil engineering, municipalities, tourism and power generation.
- Site
- Collombey
- Processes
- Preventive machine maintenance (reduction of breakdowns, planned upkeep), Sale and rental of compressed air, energy and construction machines (Emgarent, 24/7 online rental), Industrial hydraulic solutions up to 700 bar (from design to maintenance), Maintenance, repair and manufacture of custom-made products (precision workshop, Usinage), Preventive service / maintenance contracts (total service contract), Breakdown service and repairs throughout French-speaking Switzerland, Energy consulting and audits of compressed air systems and generators, Spare parts and service kits (original parts)
- Materials
- Industrial high-pressure hydraulics (700 bar), Precision machining (Usinage)
- Certificates
- ASIT/SVTI CFST 6516, KIS-TR901
- Founded
- 1968
- Industries
- Construction, Industry, Civil engineering (génie civil), Municipalities/public sector, Tourism, Power generation
- 01
Consulting and engineering
- 02
Sale and rental of machines
- 03
Manufacture of custom-made products in the precision workshop
- 04
Installation and commissioning
- 05
Preventive maintenance and service contracts
- 06
Breakdown service and repair with spare parts supply
Processes and Services
Industrial high-pressure hydraulics (700 bar)
Design, construction and maintenance of hydraulic solutions up to 700 bar in the special workshop in Collombey.
Precision machining (Usinage)
Maintenance, repair and manufacture of custom-made products to the ASIT/SVTI CFST 6516 and KIS-TR901 standards.
Locations

Collombey
CHHeadquarters with store, hydraulics workshop, precision workshop and service
- Hydraulics workshop (700 bar)
- Precision workshop (Usinage)
- Service vehicles
- Warehouse with more than 15'000 items
Products and Components



Inside the production

Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Machining | – | – | – | – | – |
| Preventive machine maintenance (reduction of breakdowns, planned upkeep)Assembly | – | – | – | – | – |
| Assembly | – | – | – | – | – |
| Engineering | – | – | – | – | – |
| Engineering | – | – | – | – | – |
| Engineering | – | – | – | – | – |
4 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Compressor (rental and sale) | Atlas Copco | – | – | – | Collombey |
| Generator set (rental and sale) | Atlas Copco | – | – | – | Collombey |
| LED light tower | Atlas Copco H6+ | – | – | – | Collombey |
| LED light tower | Atlas Copco H7+ | – | – | – | Collombey |
Additional services
Quality and Certifications
The precision workshop is certified to the ASIT/SVTI CFST 6516 and KIS-TR901 standards. Only original parts are used in service; technicians work with equipped service vehicles throughout French-speaking Switzerland.
| Evidence | Collombey |
|---|---|
| ASIT/SVTI CFST 6516 | |
| KIS-TR901 |
History
- 1968
Founded as a family business; official Atlas Copco dealer since 1968.