Howald
- Lingualrich
lingualrich.com/
Luxembourg
- Berlitz
www.berlitz.lu - Cap Langues
www.caplangues.lu - Course At Home
www.coursathome.lu - Donna’s English
www.donnasenglish.com/ - English World
www.englishworld.lu/ - Inlingua Luxembourg
www.inlingua.lu - ISL International School of Luxembourg
www.islux.lu - Just English
www.justenglish.lu/Harbani-Singh.html - Languages.lu
www.languages.lu - Prolingua
www.prolingua.lu - St George’s International School Luxembourg
www.st-georges.lu - The Language Partnership
thelanguagepartnership.com - Training Center Lucien Huss
www.cflh.lu