• 

  Samkoo I&C Co., Ltd.

  CEOs Kim Hyung-gyu, Byun Sang-pil

• 

  Bulgyeong I&C Co., Ltd.

  CEO Park Jun-gil

• 

  Brown F&B Co., Ltd.

  CEO Ko Young-seok

• 

  Samkoo FS Co., Ltd.

  CEO Han Seung-cheong, Ha Gong-su, Cho Myeong-geun

• 

  Clearzone Co., Ltd.

  CEO Park Hyeong-yeol

• 

  EZUS Fire Safety Co., Ltd.

  CEOs Park Jun-gil, Park Hyeong-yeol

• 

  Samkoo LS Co., Ltd.

  CEOs Han Seung-cheong, Byeon Sang-pil, Kim Gwang-myeong

• 

  SENC Co., Ltd.

  CEO Park Jun-gil

• 

  3S4U Co., Ltd.

  CEOs Min Young-jun, Yoo Dong-ho

• 

  Witia Co., Ltd.

  CEO Son Yoo-seong

• 

  GBS E&C

  CEO Koo Bon-hoon

• 

  GBS E&C

  CEO Koo Bon-hoon

• 

  Human Story F&S Co., Ltd.

  CEO Shim Eon-yong

• 

  TOPS Co., Ltd.

  CEO Kim Hwa-sung

• 

  Protec Maintenance Co., Ltd.

  CEO Baek Boo-gi

• 

  KFNS Co., Ltd.

  CEO Park Hyung-yeol

• 

  Samkoo Narae Co., Ltd.

  CEO Lee Seung-gyu

• 

  MTS Corporation

  CEO Son Yoo-seong

• 

  Move Inc.

  CEO Yang Ju-han

• 

  TLS Inc.

  CEOs Park Jun-gil, Kim Kwang-myung

• 

  Mirae BM Inc.

  CEOs Jeong Jeong-un, Nam Young-jun

• 

  Wuxi Samkoo Electric Insulation Co., Ltd.

  CEO Lee Il-hwan

• 

  Changzhou Samkoo Manufacturing Technology Co., Ltd.

  CEO Lee Il-hwan

• 

  Matbao BPO

  CEO Park Mun-hwa, LE HAI BINH

• 

  Gaja Express Tour Co., Ltd.

  CEO Park Eun-cheon

• 

  Gwangmyeong Logistics

  CEO Kim Joo-han

• 

  SS Club Co., Ltd.

  CEOs Lee Min-seok, Cho Cheol-hyun

• 

  MTSC Poland

  CEO Song Sang-hoon

• 

  MTSC Hungary

  CEO Song Sang-hoon

• 

  SBA

  CEOSim Yong Hwan

• 

  SK M&Service Co., Ltd.

  CEOKim Sung Joon

• 

  F&U Credit Information Co., Ltd.

  CEOLee Kyu Sik

• 

  Nate Communications Co., Ltd.

  CEOYoo Young Mi

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