- Wildlotus Adventures.,JSC
- Address:43 Nghi Tam Rd, Hanoi, Vietnam
- Tours Vietnam
- Address:
- Salute Vietnam Travel International
- Address:18 / 64 / 218, Lac Long Quan
- VHT Travel
- Address:Dai Co Viet road
- VIET GREEN TRAVEL JSC
- Address:102 H50 Alley 41 / 27 Vong Street
- Hanoi Peace Tour
- Address:45A Tran Phu Street
- Hanoi Etoco
- Address:142 Le Duan
- halongbayvietnam.net
- Address:137 Hang Bac Street
- VIETNAM IMPRESS TRAVELS & HOTELS
- Address:Phan Van Truong St
- Travel Guide Vietnam
- Address:1c Lang Ha-Badinh
- Cholon Travel Center
- Address:148 Tran Tuan Khai St. , Ward 5, Dist 5
- HALONG LUXURY JUNKS CO., LTD
- Address:68 DAO DUY TU STREET
- Indochina Pioneer Co., Ltd
- Address:1A Dang Dung
- GFC TRAVEL
- Address:83 nui Truc
- Golf Travel Service
- Address:
- Vietnampathfinder Travel Company
- Address:No 28 Ven Ho Street, Tay Ho District, Hanoi, Vietnam
- Indochina Charm Travel
- Address:31 Hang Bun Str; Ba Dinh Dist
- Vietnam Golden Holiday Travel JSC..
- Address:104C17,Tan Mai,Hoang Mai
- More Fun Vietnam Travel
- Address:P404 / 124 Minh Khai
- Smart Travel Vietnam Company Limited
- Address:Room 410, 175 Giang Vo Str. , Dong Da Dist.