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STEL srl, established in 1979, Stel is globally respected as a prestigious manufacturer of INVERTER products. Producing a comprehensive range of quality INVERTER Welding and Plasma Cutting machines. The founders Mrs Annamaria Mazzucco and Mr Ermanno Barocco, are still actively involved within the company, continiously advocating their philosophy of developing new inovations by investing in advanced technological research.
This philosophy and energy is now being transferred to the next family generation who are constantly introducing new ideas which result in the on-going progression of the great Italian family tradition.

Every year Stel is re-investing 10% of the entire annual turnover to offer products that are improving,performance, reliability and are ecologically more efficient.
With the reality of continued international expansion programs Stel now have branches in Poland and Turkey. The successful international distribution of Stel products is thanks to a network of various personal co-operations and enterprises reaching from Europe to Australia, Middle East and South Africa, to Brazil and Chile and the USA.

A remarkable combination of Italian tradition and advanced technology. These are two of the principal characteristics one will find when visiting the Stel company in Castegnero, a few kilometres’ from Vicenza:
– 5,000 sqmt factory
– 50 specialised employees
– 20.000 INVERTER welding machines produced per year
– Export in 35 countries

Young and dynamic company that has established itself in the market for the quality and reliability of its products. A group that strong with the results and always ready to renew itself , think about the future now aiming to achieve new objectives .

New Generation
It is our customers who inspire STEL to consistently evolve not only with technology but also in perfecting design.For over 30 years the grey-yellow-red colours have always been identified with STEL. With our customers constantly at the forefront of our ideas STEL are now embarking on a groundbreaking new generation of machines in a new streamlined design and colour combination. An Ultra- Modern blend of Black-Grey and the striking corporate RED of STEL will now be introduced with the new generation. Including the unmistakable STEL RED, is continuing to express the heart of the STEL tradition, for passion and for perfection, and of new ways to support our customers.

Machines for Professionals
Pure performance.
At Stel we are driven by a single passion, a single obsession: To create ultra-reliable welding machines for the most demanding professionals.
Each detail of their conception, development, construction and finishing is driven by the same united concern for excellence. Stel machines, production and calibration facillities meet the highest international criteria for sturdiness, reliability, functionallity and safety. And Stel are one of the few global machine manufacturers to submit all functions and performances to the merciless scrutiny of the strongest Test Institute around the world.
In addition, Stel manufacturing is now qualified by C.S.A International (based on ISO/IEC 17025:2005) for export to North America.
One Simply does not become a world class inverter manufacturer by chance!!!