Company History

2025

Machining Department – Zreče Branch

Launch of the Machining Department at a new location.

Today, we are:
A stable company with clear goals. Represented across various industries worldwide.

Future goals:
Modernizing production. Optimizing processes. Achieving high efficiency. Embracing sustainability.

New Assembly and Storage Hall

Construction of new production facilities.

2022
2019

Program B

Start of serial production.

ISO 45001

The company obtains the ISO 45001 certification.

2011
2007

Complete Production Line

The first production line was assembled. The company invested in a new production hall and a paint shop.

“The Era of Rock Wool Production Lines”

The first spare parts for production lines and equipment servicing/maintenance.

2002
1999

ISO 9001

The company obtains the ISO 9001 certification.

Market Expansion

The company's focus was on entering the Western European market (Germany, Austria, Switzerland, Italy).

1993
1992

Establishment of a New Company

Kostroj Strojegradnja d.o.o. is founded.

Breakup of Yugoslavia

Market collapse. Strategic shift in production plans for machines and machine parts toward Western countries.

1991
1964

New Location

The company relocated to its current site.

Founding of the Company

A leading manufacturer of machines for the leather industry.

1952
Contact

KOSTROJ – STROJEGRADNJA Vzdrževanje, storitve, servis, d.o.o.
Tovarniška cesta 2,
3210 Slovenske Konjice,
Slovenia
T: +386 (0)62 09 300