We know of 11 organisations that are using Ruby on Rails in Poland.

2N IT

Biaystok, Poland

midsize

1999

Equiqo

Wrocław, Poland

midsize

2016

Koleo

Poland

unknown

—

Netguru

Poznań, Poland

massive

2008

Plane

Wrocław, Poland

midsize

2015

Prowly PR Software

Warszawa, Poland

large

—

Sunscrapers

Warszawa, Poland

midsize

2010

TechWings

Kraków, Poland

large

—

Visuality

Warszawa, Poland

midsize

2007

iRonin.IT

Warszawa, Poland

midsize

2011

spaceOS

Warszawa, Poland

large

2017