Cawangan Tambunan telah beroperasi hampir 23 tahun iaitu semenjak awal tahun 1990. Pengurus Cawangan pertama ialah En. Alius Romantis. Ketika itu YUM bermula sebagai Projek Usahamaju dan Pusat pertama yang ditubuhkan ialah Pusat Wanita Pomotodon. Kawasan operasi meliputi DUN N32 Tambunan dan P180 Keningau.
LOKASI PEJABAT
Kompleks Bangunan Majlis Daerah
Tingkat 2, Bilik 7
Tambunan
Tel/Fax : 087 774030
E-mel : This email address is being protected from spambots. You need JavaScript enabled to view it.
KAKITANGAN
KOMILUS SIPAT
PENGURUS CAWANGAN ( N41 )
E-mel : This email address is being protected from spambots. You need JavaScript enabled to view it.
SIMON ANTHONY TOM
PEGAWAI PINJAMAN ( N27 )
E-mel : This email address is being protected from spambots. You need JavaScript enabled to view it.
SABINUS SIMON @ KIMON
PENYELIA PINJAMAN ( N22 )
E-mel : This email address is being protected from spambots. You need JavaScript enabled to view it.
JUSTIN POUMIN
PENYELIA PINJAMAN ( N22 )
E-mel : This email address is being protected from spambots. You need JavaScript enabled to view it.
MOSIKUN GIMPAH
PENYELIA PINJAMAN ( N19 )
E-mel : This email address is being protected from spambots. You need JavaScript enabled to view it.
ROYSTEAVE PIUS
PENYELIA PINJAMAN ( N19 )
E-mel : This email address is being protected from spambots. You need JavaScript enabled to view it.
RITA PODTUNG
KERANI AKAUN ( N22 )
E-mel : This email address is being protected from spambots. You need JavaScript enabled to view it.