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Personal approach
and adaptability

KZU AD is a privately-held, joint stock company, founded in 1966. The company has 5 production plants, situated in Sofia, Septemvri, Burgas, Devnya, and Stara Zagora and employs more than 400 welders, fitters, workers, engineers and administrative personnel.

Our History

Helping You Help Your Clients

KZU was founded in 1966 by the Bulgarian state with welding as core specialty. At the time the company was a part of the largest assembling organization in Bulgaria. During they ears, KZU was given production sites and started producing various steel structures for all of the large petro-chemical plants in the country, as well as for international clients, thus completing hundreds of tanks and vessels and kilometers of longitudinal welded pipes.

Our Mission

A reliable partner you can trust

We deliver customer satisfaction through the fabrication of safe and reliable products, based on the best practices in the manufacturing and welding spheres and on our more than 55 years of experience.  

Our Values

The heart of everything we do

We are customer-focused and our core values are reliability, quality, flexibility, professionalism and customer-focused. We are committed to delivering the highest quality products and services, and to always put our clients' needs first.

Storage Tanks and Vessels
Raichin Antonov
Meet Our CEO

A people-centric organization

At KZU, our team is made up of experienced professionals who are dedicated to providing the best service and solutions to our customers. Our management team and key employees have years of experience in the industry and are experts in their respective field.

Get in Touch With Us

Send Us A Message or Give Us A Call

If you're in need of industrial container solutions, maintenance or welding services, we would love the chance to work with you.