A trusted legacy in fiber container manufacturing

Meet the dedicated team behind CSM Defence’s excellence — a family-driven company where experience, innovation and precision come together to serve the defence industry.

Over 100 years of know-how in every tube

From our roots in Italian craftsmanship to cutting-edge military applications, our story is built on reliability, innovation and commitment.

CSM Defence is the defence division of Cartotecnica San Marco, a company founded and led by the Colombo family and specialized in the design, production, and distribution of high-performance fiber container and packaging.

With over 100 years of experience, we have earned a solid position in the competitive Italian market, thanks to our deep technological expertise and our continuous commitment to innovation.

Day after day, we work closely with clients operating in highly demanding sectors, developing a flexible, responsive, and efficient approach to meet even the most complex challenges.

Our production is based across two facilities in Buscate (Milan) and Cavarzere (Venice), enabling us to serve key industrial and defence districts in Italy and abroad with speed, efficiency and cost-effectiveness.

Our heritage in pictures

A story built on paper, precision and people
From the early days of artisanal fiber container production for the defence industry, our history is deeply rooted in Italian industrial tradition.

Each image tells a part of who we are. A legacy of craftsmanship, innovation and commitment that continues to inspire everything we do at CSM Defence.