Contributors to NumBBO/CoCO have been

- Ouassim Ait ElHara (2)
- Youhei Akimoto
- Asma Atamna (2)
- Anne Auger (2)
- Umut Batu (2)
- Bernd Bischl
- Dimo Brockhoff (3)
- Alexandre Chotard
- Steffen Finck
- Nikolaus Hansen (3)
- Verena Heidrich-Meisner
- Filip Matzner
- Olaf Mersmann (3)
- Duc Manh Nguyen 
- Petr Posik
- Mike Preuss
- Raymond Ros (3)
- Phillipe R. Sampaio (2)
- Marc Schoenauer
- Thanh-Do Tran
- Heike Trautmann
- Dejan Tusar (3)
- Tea Tusar (3)
- Konstantinos Varelas (2)

(2): main contributor
(3): power contributor
