KK Radnik Bijeljina

Košarkaški klub Radnik (, ), currently known as Radnik Elvaco MetPro due to sponsorship reasons, is a men's professional basketball club based in Bijeljina, Republika Srpska, Bosnia and Herzegovina. They are currently competing in the First League of R Srpska.
History.
The club is formed on 20 May 1961 as OKK Bijeljina and renamed as KK Radnik later.
Sponsorship naming.
The club has had several denominations through the years due to its sponsorship: