ประกอบกิจการการเรียนการสอนภาษา

NIRUHTI CO.,LTD.

BRITISH ELITE LIMITED PARTNERSHIP

SUN LANGUAGE COMPANY LIMITED

TIPTHAMRONG99 CO., LTD.

WEPLUSBYKT CO., LTD.

GREEN MOUNTAIN INTERNATIONAL COMPANY LIMITED

GRANTA CO., LTD.

D R I THAI LIMITED PARTNERSHIP

THECHINESE MENTOR CO., LTD.

GIFTED KNOWLEDGE COMPANY LIMITED

TUTOR COACH LIMITED PARTNERSHIP

DAZTRACORP CO., LTD.

LITTLE STEPS LEARNING CENTER CO., LTD.

SUTHERLAND LIMITED PARTNERSHIP

I-GENIUS SUPPORT LIMITED PARTNERSHIP

T AND B LANGUAGE DEVELOPMENT LIMITED PARTNERSHIP

SIAM LINGO SOLUTIONS CO., LTD.

JNLT CO., LTD.

DARWIN'S ENGLISH CO., LTD.