Helsinki Philharmonic Orchestra ("HKO", Finnish: Helsingin kaupunginorkesteri, Swedish: Helsingfors stadsorkester), founded in 1882
Finnish Radio Symphony Orchestra ("RSO" (eng. "FRSO"), Finnish: Radion sinfoniaorkesteri, Swedish: Radions symfoniorkester), founded in 1927
Tapiola Sinfonietta (Finnish: Tapiola Sinfonietta, Swedish: Tapiola Sinfonietta – Esbo stadsorkester), founded in 1987
Lahti Symphony Orchestra (Finnish: Sinfonia Lahti – Lahden kaupunginorkesteri, Swedish: Sinfonia Lahti – Lahtis stadsorkester) founded in 1910
Tampere Philharmonic Orchestra ("TFO", Finnish: Tampere Filharmonia – Tampereen kaupunginorkesteri, Swedish: Tampere Filharmonia – Tammerfors stadsorkester) founded in 1930
Turku Philharmonic Orchestra (Finnish: Turku Filharmonia – Turun kaupunginorkesteri, Swedish: Åbo Filharmoniska Orkester – Åbo stadsorkester), founded in 1790
Ylioppilaskunnan Soittajat ("YS", English: Helsinki University Symphony Orchestra, Swedish: Helsingfors Universitets studentorkester), founded in 1747 (1926)
The Polytech Orchestra ("PO", Finnish: Polyteknikkojen orkesteri, Swedish: Polyteknikernas orkester), founded in 1922