About Us


Mario Di Maio starts its bussiness on goldsmithing and silversmithing and art schools market in 1919, later expanding on industrial market, designing and manufacturing machine tools to work any metal, either ferrous and non ferrous.

The son and daughter of Mr. Di Maio, Eliseo and Rosa, opened in 1955 a new factory in Gerenzano, devoted to the production of rolling mills, rolling trains, slitters, automatic cutting units, manual, semi automatic and automatic spinning lathes, beading machines, riveting machines, circular shears, fly wheel presses, hydraulic presses to cut, mint and emboss, and mechanical press to hammer chains. Other manufactured machines are lathes for chain diamond cutting, drawing benches, multi wire drawing machine, profiling machines, melting furnaces, annealing furnaces, complete plants for the microcasting production, including vulcanizing presses and wax injectors. Finishing devices, including rotating and magnetic tumblers, polishing benches complete with exhaust, plain working benches, metal recovery devices, from waters and sands.

Commercial and administrative offices of Mario Di Maio S.p.A. stand in the factory. Historical experience in manufacturing and engineering allows to the son and nephews to satisfy an extremely wide all over the world, even in case of customized requirements for mechanical industry, silvesrsmithing industry, goldsmithing industry and any other kind of production in many other sectors.

Branches in Italy, devoted to the sale of machinery, tools, and consumables, either from Mario Di Maio S.p.A. and from primary manufacturers worldwide devoted to goldsmith market are set in Gerenzano, Milano, Vicenza, Valenza Po e ad Arezzo. They also carry out technical assistance service as well as maintenance service.

Mario Di Maio is globally known as leader company in ots market tecnology, and it is regarde as first interlocutor for high quality products and innovative solutions, thanks to a team of of engineers and designers and to the experience of acquired in 100 years activity, even in non metallurgical with other brands such as CO.ME.VI. for the packaging handling. International patent were awarded in Europe and U.S.A. showing its versatility and quality.

Eliseo di Maio

Manufactury plant Gerenzano


La Mario Di Maio SpA è concessionaria del marchio UCIMU.
Il marchio UCIMU, qualifica l'impresa associata, non il singolo prodotto, è testimonianza di affidabilità commerciale, solidità finanziaria e massima attenzione per le prescrizioni in materia di sicurezza e per l'adeguatezza della funzione collaudo: caratteristiche aziendali che nessuno schema di certificazione considera contemporaneamente.
Più specificatamente, l'impresa concessionaria del marchio UCIMU deve disporre di adeguate strutture di progettazione, di produzione e di assistenza su ogni mercato di sbocco; strutture gestite in modo da produrre, secondo le regole della qualità, macchine e servizi conformi alle attese dell'utilizzatore.

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