A list of notable South Korean Entertainment Companies, with their most widely recognized acts listed beneath.

101Doors
- BTSwing

101 Entertainment
- Kim Jong Kook
- Mighty Mouth

Amoeba Culture
- Dynamic Duo
- Supreme Team

AQ Entertainment
- Baek Ayeon
- Miss A

B2M Entertainment
- Hyori
- Kyujong (SS501)
- Youngsaeng (SS501)

Brand New Music
- Miss $
- Skull

CAN&J Entertainment
- F.Cuz

CJ Media
- Cherry Filter

CnR Media
- Jungmin (SS501)

Cube Entertainment
- 4minute
- Beast
- G.NA

Core Contents Media
- Davichi
- Seeya
- Supernova
- T-ARA

Daebak (Big Hit) Entertainment
- 2AM
- 8eight (former)
- GLAM
- Lim Jeonghee

DR Music
- Baby V.O.X (former)
- Baby V.O.X Re.V
- RaNia

DreamTea Entertainment
- Girl’s Day

DSP Media
- Fin.K.L (former)
- KARA
- Rainbow
- Sechskies (former)
- SS501 (former)

Fluxus Entertainment
- Bye Bye Sea
- Clazziquai Project
- Ibadi
- Loveholics
- W&Whale

FNC Entertainment
- AOA
- C.N Blue
- F.T Island

Good Entertainment
- Lyn
- Shinhwa (former)

GP Entertainment
- GP Basic

H-Line Entertainment
- Chocolate

IS Entertainment
- SG Wannabe

J2Star Entertainment
- Maydoni 

J.Tune Camp
- MBLAQ
- Two-X

J.Tune Entertainment
- Miss A
- Rain (former)

Jay.K Entertainment
- IMU

Jellyfish Entertainment
- Park Hyo Shin
- Seo In Gook
- Sung Si Kyung

JIN-A Entertainment
- Eru

J.One Partners
- Brian

Jungle Entertainment
- Drunken Tiger
- Leessang
- T (Tasha)

JYP Entertainment
- 2PM
- g.o.d (former)
- Miss A
- Rain (former)
- Wonder Girls

KeyEast Entertainment
- Bae Yong Joon
- Kim Hyunjoong

Laful Entertainment
- UN (former)

LOEN Entertainment
- IU
- Zia

Logi Entertainment
- Bae Seul Gi
- Taegoon

Map the Soul, Inc.
- Dok2
- Epik High
- MYK

Mnet Entertainment
- Lee Hyori (former)

Monkey Funch Entertainment
- DMTN (former)
- MC Mong

Nega Network
- Brown Eyed Girls
- Lunafly
- Maydoni (former)
- Yoari

NeuroN Music Entertainment
- 1sagain
- Ju Bora
- Heenain
- Donnie J

NH Media
- Paran
- U-KISS

Nine Media Group
- Son Anna

Open-World Entertainment
- The BOSS
- Jun Jin

Orange Entertainment
- Dragon N Tiger

P.L Entertainment
- Bada
- Planet 805
- T-MAX

Pledis Entertainment
- After School
- Orange Caramel
- Son Dambi

POP/UP Entertainment
- M to M
- Wheesung

Shinhwa Company
- Shinhwa

Sidus HQ
- Gong Yoo
- Jay Park
- Kim Shin Young
- Kim Sooro
- Moon Heejun
- Song Joong Ki

SM Entertainment
- BoA
- TVXQ
- f(x)
- H.O.T (former)
- SHINee
- Shinhwa (former)
- Girl’s Generation
- Super Junior

S Plus Entertainment
- Kim Hyungjoon (SS501)

Stam Entertainment
- Ajoo
- Younha

Stardom Entertainment
- Block B
- EvoL
- Miss $ (former)

Star Empire Entertainment
- Nine Muses
- Jewelry
- V.O.S
- ZE:A

Starship Entertainment
- K.Will
- Sistar
- Boyfriend

TipTop Entertainment
- Pascol 

T.O.P Media
- Jumper
- Teen Top

TN Entertainment
- JTL (former)
- Tony An
- Smash

TS Entertainment
- B.A.P
- Secret
- Untouchable

Trifecta Entertainment
- Koyote
- Kwon Sang Woo
- Uhm Jung Hwa
- Yurisangja

Winning InSight
- Airplane

Woolim Entertainment
- Infinite
- Epik High (former)
- Nell

Xing Entertainment
- Apeace
- Xing

YG Entertainment
- 1TYM 
- 2NE1
- Big Bang
- Big Mama (former)
- Epik High
- Gummy
- Jinusean
- Se7en