The AGRU Story

From the foundation till today

Mr. Alois Gruber sen.

Alois Gruber senior founded a locksmiths in Bad Hall and an anodizing company in Grünburg in 1948. The locksmith company was closed in the 1950s, the focus being placed on the anodizing business, which was extended by a powder coating and wet paint shop. These competencies are now merged today in Grünburg, Upper Austria as part of AGRU Oberflächentechnik GmbH.

Alois Gruber senior laid the cornerstone for our current market success in 1961 with the decision to commence plastic pipe production. This area has continually been built up over the years. Initially with the production of polypropylene and polyethylene, later also by the manufacture of sheets, round bars and welding rods. The first injection molds for the production of fittings for the pipe industry were commissioned in 1966.

In the following years, AGRU expanded the headquarters in Austria and opened new production sites abroad. In 1998, Mag. Alois Gruber took over the business of his father. Since then we at AGRU have been concentrating on expanding and optimising plastic production.

Fam. Gruber, Fam. Haager
From left to right: Alois Gruber jun., Ilse Gruber, Alexander Gruber, Mag. Alois Gruber, Dr. Markus Haager, Ingrid Haager, DI Johannes Haager

Milestones of AGRU:

Pathbreaking in plastics technology

Apprenticeship workshop AGRU


Opening a state-of-the-art training workshop in Bad Hall, Austria.

Large diameter pipe production facility charleston


Opening of our brand new XXL pipe production facility in Charleston, SC.


Opening of the new cleanroom plant for manufacturing PURAD high purity piping systems in Bad Hall, Austria. The state-of-the-art production takes place under super clean conditions and is ISO class 5 compliant.


GCL (Geosynthetic Clay Liners) in Georgetown, South Carolina


Geotextile production in Andrews, South Carolina


Completion of plant 4 and high-bay warehouse


High-bay warehouse plant 3
Construction start plant 4


Erection of a second production plant in the USA, site Fernley, Nevada.


Erection of a sales and commercial enterprise in Taicang/China


Extension of plant 2. Construction for pipe extrusion and extension of the high-bay warehouse for pipes and sheets


Erection of a production hall for E/F fittings and construction of a high-bay warehouse for molds

The new millenium...

Mag. Alois Gruber


Mag. Alois Gruber takes over AGRU from his father and runs the business since then.


Adoption of electrofusion fittings production


Erection of plant 3. Automatic high-bay warehouse for fitting pallets (23,000 pallet spaces) and new construction of an office building, welding technology and R&D


Relocation of the production site from Boston to Georgetown, South Carolina with corresponding new construction and extension of the production work


In cooperation with FRANK GmbH, the company AGRU-FRANK GmbH was founded in Wölfersheim, Germany. Erection of pipe production, jointly with the company Frank in Wölfersheim/Germany


Construction of plant number 2. - 24,000 m² hall area. Division of production into 2 locations. 1. fitting production and mold design. 2. extrusion, production of pipes, sheets, liners. Erection of a new clean room for the production of PVDF pipes etc.


Erection of the first site outside of Austria in Boston (USA)

AGRU abroad


First clean room for PVDF pipe and fitting production


Concrete protective liner was presented and introduced


Erection of a production hall in the Waldneukirchen plant for the first PE liner system, 5 m width (calendar).


New construction of the surface division. Erection of the anodizing plant and adoption of powder coating in Waldneukirchen.
Hall area approx. 6000 m²


Adoption of PVDF pipe and semi-finished product systems in the production spectrum.

Aerial View AGRU Bad Hall plant 1


Procurement of the new and spacious office building. The business development has continued to expand and we now export to 20 countries in the world. This made it necessary to rationalize the accounting. A modern computer system was commissioned on 1974.

Production of pipes plant 2


Development of the anodizing hall according to state-of-the-art knowledge.
Relocation to new plastics hall with 5 extruders and 4 complete pipe production lines and a sheet plant, 2 sheet presses

AGRU Bad Hall - Hall construction 1969


Hall construction for plastics (22 x 70 m), Hall 2


First production hall as warehouse for plastics and anodic coatings. Relocation of plastics and anodic coatings to a new production hall.


First injection dies for butt welding fittings made from PP and PE are ordered by Anger and Mooshammer. Contract injection molding at Mooshammer and Stadlmann. Construction of an anodizing plant and plastics hall (approx. 60 x 24 m).

AGRU Bad Hall plant 1 (1962)


Construction of office and residential buildings/garages and first hall construction (approx. 10 x 30 m). First production of pipes


Start of plastics processing at AGRU

AGRU Bad Hall 1954


Relocation to the newly built fitter's shop (10 x 20 m) in Bad Hall. Production of stoves/sinks and porches.


1st workshop in Waldneukirchen

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