web supervisor
Picture of Onis Visa gensets

ONIS VISA Diesel Generators & Motorpumps

Visa SpA is a company dedicated on design, production, sales and rental
of generating sets and power solutions.

Discover our products
Visa SpA Custom Solutions

Visa SpA Customized solutions

Electricity generators and power solutions designed to offer the best results to meet individual power needs.

Visa SpA assistance

Worldwide after sale service

Visa Spa products and operations are backed by first class after-sale support. Qualified personnel and service team are on call 24/7 to ensure the power supply whenever and wherever you need.

Visa SpA range in stock

Items in stock

Thanks to a great number of main components always available in stock, it is possible to manufacture specific products in a very short time. Stock availability also of generation sets to be shipped overnight to any destination in the world.

Visa SpA Quality Certified

Certified seriousness

At the end of the manufacturing process, every single unit is subjected to a rigorous final test performed by qualified staff through the most modern equipment which memorizes data and produces the necessary certification , assuring the genset’s perfect performance under any conditions.

6 and 12 poles wiring.

The symbol Lorem Ipsum è un testo segnaposto utilizzato nel settore della tipografia e della stampa. Lorem Ipsum è considerato il testo segnaposto standard sin dal sedicesimo secolo, quando un anonimo tipografo prese una cassetta di caratteri e li assemblò per preparare un testo campione.
The symbol Lorem Ipsum è un testo segnaposto utilizzato nel settore della tipografia e della stampa. Lorem Ipsum è considerato il testo segnaposto standard sin dal sedicesimo secolo, quando un anonimo tipografo prese una cassetta di caratteri e li assemblò per preparare un testo campione.

Company profile

Visa Spa is a leading Italian company that has been successfully present in the market since 1960, projecting and manufacturing highly technological generating sets and power stations. With its network currently present in more than 60 countries in the world, Visa SpA offers the most suitable solutions with a high standard of quality and technology in many areas and countries. "ONIS VISA" gensets and power stations, ranging from 9.0 to 3.000 kVA, are completely manufactured in Italy and offer the best technological and quality features. Thanks to a research and development team of engineers, who are completely dedicated to projecting customized solutions and developing special and sophisticated projects for more complex applications, Visa SpA can support its clients assuring the highest quality solutions.

Discover the company

Take a tour

Competence sectors

Visa SpA provides high-tech solutions that can be tailored to all situations and sectors: from telecommunications to construction and engineering, industry, as well as hospitals, retail and entertainment, just to name a few. Beside the complete standard range, Visa SpA manages to offer more sophisticated generating sets for more complex applications. Onis Visa generators, with their many variants, are among the most versatile and complete in the market, competing with a world that is increasingly more orientated towards electricity generation.

Telecom |  Onis Visa Generators

With over 50 years of experience in the energy market, Visa SpA offers a range of products designed to meet the needs of the Telecommunication sector, one of the most dynamic sectors, subjected to...

Data Centers |  Onis Visa Generators

In an increasingly virtual world where exchange of critical information is getting more and more important, data centers demand an extremely reliable and constant supply of power. They can contain...

Defence and Civil Aid |  Onis Visa Generators

The Onis Visa Gensets for military use are designed to meet the requirements of forces operating in harsh environments and built to a very demanding specification. Military equipment is becoming...

Industry and Services |  Onis Visa Generators

Visa SpA provides reliable and high-performance gensets and energy solutions. In manufacturing plants, even a small power outage could lead to hours of costly downtime for the equipment and even...

Tourism and Big Events |  Onis Visa Generators

Recent severe weather events have resulted in serious hurricanes, tropical storms, heavy snowfalls, strong hurricane-force winds and widespread storm surges and flooding. During many of these...

Large Scale Retail |  Onis Visa Generators

Businesses lose money when they shut down during a blackout. Even a small power failure could lead to hours of costly downtime. Considering the impact of significant revenue loss, the economics of...

Power Stations |  Onis Visa Generators

Power stations are used for small scale production of electric power, and where there is no other easily available alternatives of producing electric power. Diesel power plants are also popularly...

Power supply systems |  Onis Visa Generators

In case of a sudden and unexpected power failure many things can go wrong but thanks to Onis Visa generating sets, power supply is not a problem at all. Lost revenue, diminished reputation and...

Other sectors in which Visa SpA operates

Visa SpA also provides services and products in sectors others than standard electricity generation, such as rental and water, through specific divisions and trademarks. Thanks to that production diversification, Visa SpA has managed to acquire an important know-how in different areas, giving way to new ideas and project development.

Rental Division

Rental Division

Sometimes depending on power gensets with ultimate reliability is crucial to sustain power supply to the most sensitive operations in the most demanding conditions. Onis Visa fleet of 300 sound-attenuated generators of recent production ranging from 9.0 to 2000.0 kVA, are designed and developed to deliver a high quality service for non-stop power performance, all of them equipped with safety features that comply with the strictest regulations and standards. Different versions are available to meet your every need. Amongst the services available, Visa SpA provides dedicated consultation for projects’ study and development, as well as it grants crane trucks for the delivery and...

call:+39 0422 818633
Get a quote

Water division

Visa SpA, through its trademark Nettuno®, has successfully been present in the water treatment sector for over 40 years, offering self-propelled irrigation systems and high quality motor pumps for agriculture and industry. The reliability and versatility of Onis Visa products are due to the use of the best components and latest technology which gives high performance as well as savings in operating costs. The experience gained in the entire world, under the most different and difficult environmental conditions, allows to completely satisfy all the modern agriculture needs, in compliance with environmental respect and following the strictest standards. Visa SpA provides high-...

Discover the products
Get a quote

Latest products

Onis Visa range of products has grown in order to provide an answer to all market requirements; it offers a comprehensive range of quality-assured, versatile and high-tech energy solutions which can be tailored to all situations.
Beside high-quality generating sets, also different types of control panels, accessories and spare-parts are available, in standard or customized versions.

FOX serie gensets’ family gets Bigger. Thanks to the new born BiGFOX, Visa’s smartest range expands its own power up to 60.0 kVA, while always maintaining the specific features: compact and sturdy, low noise level and extremely versatile!...
Visa has a new set of generators for mobile use, designed on the basis of experience gained in thirty years of direct business in the rental sector. The machines are developed in compliance with the most stringent European standards.
Guard Touch is the new revolutionary controller with touch screen, researched and developed by Visa S.p.A., which will be standard supply on our gensets.

The NEW ONIS VISA In Sync NT BB panel is based on the ComAp 'New Technology' family which is a comprehensive range of configurable Gen-set controllers suitable for managing simple, everyday or even the most complex CHP application.

Latest news


Also this year Visa SpA won’t miss its attendance at Middle East Electricity 2017, the exhibition , at the Dubai World Trade Centre, from 14-16 Feb 2017, that will bring together the best opportunities in power generation.

Also this year Visa SpA will be exhibiting at the Executive Hire Show, the exciting benchmark exhibition for the tools, plant and equipment hire industry, that will be held in Coventry, by the Ricoh Arena, on Wednesday 8th and Thursday 9th February 2017.

Visa SpA is concretely supporting the central regions of Italy, struck by devastating earthquake last October and recently badly affected by the extraordinary wave of bad weather that has caused disruption across the country.

Also this year, Visa SpA won’t miss the Export Riva Hotel, the Hospitality and Professional Catering Fair, that will take place in Riva del Garda (Trento), Italy  5 – 8  February 2017.

Latest Facebook posts

Photo Stream



Give us a like

and stay tuned by social networks