Forgia di Bollate (FDB) was founded by Vienna brothers in Bollate.

Mr. Antonio Vienna Set the first workshop of Forgiatura A. Vienna in Rho (Milan).

In the eighties OFAR founded in 1961, joined Mr.Vienna industrial network as the third forge of the group.

La Valvomeccanica, active in the valves trading since 1946, also joined Mr. Vienna industrial network.

Italfond, a steel mill founded in 1962, was acquired by GIVA.

OFP, founded in 1986, joined the GIVA Group to support the forges with rough and final machining.

Within the Group, Bresciacciai started its activity in Visano (Brescia) in the steel plates market.

Forges, located in Cividale del Friuli (Udine), joined GIVA as the fourth forge pant of the Group.

VRM was acquired by GIVA for rough machining activities.

RMT was established by GIVA as a company that markets valves in Sobiate Olona (Varese).

A new company named DVG was established within the Group to support the valves market by producing valves actuator.

Merger between RMT Valves and La Valvomeccanica.

Nunki Steel was acquired in 2008 and reconverted into a steel ingot producer.

Metab was opened next to Ofar to serve the company with final machining.

In order to support the production of finish machined shells and rings, TTV was established as a large capaciity company in a strategic position on the way to Marghera Port.

Merger between F.Vienna (merger agent) and OFP and TTV (merged) OFAR and Forges merged into
one single company (OFAR) based on three production sites (Visano, Canneto s/O, and Cividale del Friuli).

Pibiviesse, a on-off and control ball valves producer originally co-tounded by Mr.

Antonio Vienna, was acquired by GIVA.