Forging the Future
2026
2000
1943
Since 1943, we are an Italian family-run company specialised in metalworking. Founded in La Spezia by Walter Antonini after World War II, we are now an international reference in the construction of large plants and energy infrastructures.
Discover the sectors we operate in, and the expertise with which we deliver industrial and naval projects worldwide.
March 28 saw the launch of this 34-metre full-custom steel superyacht that showcases the brand’s tailor-made philosophy and is eagerly awaited at the upcoming boat shows 2026.
Gruppo Antonini S.p.A. has launched the offshore phase of the Compression Module for the Sabaratha platform. Following its launch at the end of September, transportation and installation operations have now been completed.
Gruppo Antonini S.p.A. announces that it has been awarded the IRENA 3 EPC project by oil & gas company EDINA, a joint venture between ENERGEAM and leading Croatian operator INA.
Located at the entrance of the Gulf of La Spezia, the site is specialized in offshore installations and the assembly of large structures, platforms, and modules, with additional activities dedicated to the construction of custom steel and aluminum yachts.
The Arcola industrial site is dedicated to advanced metalworking, heavy carpentry, and the production of components for the energy, process and defence sectors.
The Groppoli site is the production centre specialised in the prefabrication of piping, pressure vessels, separators, petrochemical columns and reactors, as well as the realisation of process and chemical skid, packages and the construction and revamping of industrial plants.
our offices
