
Piping and plant engineering for the pharmaceutical, chemical, energy and food industries
INRA Group AG
4133 Pratteln · 3930 Visp · 3952 SustenNew on Amplifa
About INRA Group AG
INRA Group AG, headquartered in Pratteln, is a Swiss company specialising in piping and plant engineering. The company manufactures and installs complete piping systems and plants made of stainless steel and carbon steel, including plant components such as skids (CIP systems) and tables. Its range of services covers piping and plant construction, welding technology, hygienic sterile construction, gas engineering, CAD and MSRE planning as well as service and maintenance work through to commissioning and servicing. Customer industries include biochemistry, pharmaceuticals and chemicals, energy supply, food production, petrochemicals, tank farms, refrigeration systems as well as pump stations, water reservoirs and municipal drinking-water and wastewater systems. At the Pratteln headquarters, 2500 m² of stainless steel and steel processing are available with a 10 m hall height and overhead cranes up to 5 t, plus 1200 m² of storage space. Further locations are Visp (piping and plant engineering) and Susten (prefabrication). The company employs around 200 staff and belongs to the apin umbrella brand.
- Site
- Pratteln
- Processes
- Piping and plant engineering, Welding technology, Sterile/hygienic construction, Gas engineering, CAD planning, MSRE/planning, Service and maintenance work, Repair and maintenance
- Materials
- Stainless steel, Carbon steel, Fusion welding of metallic materials
- Certificates
- ISO 9001:2015, EN ISO 3834-2, ISO 45001:2018, ISO 14001:2015, EN 1090-1/2 EXC 2, AD 2000 Merkblatt HP 0, Pressure Equipment Directive 2014/68/EU Module A2 (internal production control), WHG specialist company, eduQua:2021 (INRA Group Academy), VT 2 qualification (DIN EN ISO 9712, visual testing), PT 2 qualification (DIN EN ISO 9712, dye penetrant testing), AD 2000 HP 0 / Module A2
- Founded
- 2019
- Employees
- ca. 200
- Industries
- Biochemistry/pharmaceutical/chemical industry, Food production, Petrochemicals, Energy supply, Tank farms, Refrigeration systems
- 01
CAD/MSRE planning
- 02
Costing and material procurement
- 03
Piping and plant prefabrication (skids, tables)
- 04
Fusion welding (stainless steel/carbon steel)
- 05
Weld seam and material testing
- 06
Installation of apparatuses, pumps and pipework
- 07
Commissioning
- 08
Service, repair and maintenance
Materials and Processes
Stainless steel
Used for piping systems, special steel construction and sterile/hygienic construction in the pharmaceutical, chemical and food industries.
Carbon steel
Used for piping and plant construction under industrial media, temperature and pressure requirements.
Fusion welding of metallic materials
Certified according to EN ISO 3834-2 and AD 2000 Merkblatt HP 0 for pressure-bearing systems.
Locations
Pratteln
CHHeadquarters: stainless steel and carbon steel processing, project engineering, manufacturing, installation
- Materials
- Stainless steel, carbon steel
- 5 t overhead cranes
- Production hall 2500 m², hall height 10 m
- Storage areas 1200 m²
Visp
CHBranch office: piping and plant engineering for Upper Valais, the lower Rhone valley up to the canton of Vaud
- Materials
- Stainless steel, carbon steel
Susten
CHManufacturing site: prefabrication of plants and pipework for regional customers
- Materials
- Stainless steel, carbon steel
- Production halls for plant/piping prefabrication
Components and Plant Components



Inside the production




Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| – | – | – | – | Stainless steel, Carbon steel | |
| – | – | – | – | Metallic materials, Stainless steel, Carbon steel | |
| – | – | – | – | – | |
| – | – | – | – | – | |
| – | – | – | – | – | |
| – | – | – | – | – | |
| – | – | – | – | Stainless steel, Carbon steel | |
| – | – | – | – | Stainless steel | |
| – | – | – | – | Stainless steel, Steel |
Additional services
Reference customers
Quality and Certifications
INRA Group AG is certified according to ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, EN ISO 3834-2, EN 1090-1/2 EXC 2 and AD 2000 Merkblatt HP 0. Tests include weld seam inspections by endoscopy, dye penetrant testing (PT) according to DIN EN ISO 9712 Level 2, material identification and mix-up checks; as a WHG-certified specialist company, the company works on LAU and HBV installations.
| Evidence | Pratteln | Visp | Susten |
|---|---|---|---|
| ISO 9001:2015 | |||
| ISO 14001:2015 | |||
| ISO 45001:2018 | |||
| EN ISO 3834-2 | |||
| EN 1090-1/2 EXC 2 | |||
| AD 2000 HP 0 / Module A2 | |||
| WHG specialist company |
History
- 1997
Inrabau AG (based in Füllinsdorf) begins building customised pipework and plants for the chemical and pharmaceutical industries.
- 2019
Inrabau AG acquires BWB Engineering AG in Pratteln with effect from 1 January.
- 2019
In June, INRA Group AG is formed from Inrabau AG and BWB Engineering AG, headquartered in Pratteln.
- 2020
Acquisition of Rigert Metall AG in Susten/Visp with effect from 1 January 2020, 100%; around 100 permanent employees after the merger.
- 2025
Launch of the joint apin umbrella brand (with Apaco AG) at Ilmac Basel; four core segments: Energy, Industry, Life Science, Engineering & Services.