Created in 1994, society PR Travaux was to the origin turned toward the market of the individuals, essentially in the region Rhone Alps, and then developed in PACA region.

The enterprise moved toward the big distribution and the shopping malls, of new markets asking for an all other dimension and a recognized knowledge.

Since 1996, PR Travaux already worked on about twenty yards, of which the last, the extension of the Grand'Place shopping mall in Grenoble is especially edifying.

Not less than ten power stations of air treatment, of which some have debits of 70000 m3/h to 20000 m3/h have see the day.
The production of heating is assured by 9800 kilowatts, distributed in two substations.

A production of frozen water of 4800 kilowatts is under installation for the second slice.
And to crown the all, about 7 kilometers of tubing made of steel, of the diameter 400 to the diameter 27, of which 70% in technical galleries, have must be put also in place with important interfaces with other enterprises.