1. ON TIME Co. (HONG KONG) (1989 - 1990)
- Project: SAIGON STAR HOTEL: 204 Nguyen Thi Minh Khai, Dist. 3, HCMC
2. HUDSON Co. (HONG KONG). (1992-1993)
- Project: DAI NAM (MERCURE) HOTEL: 79 Tran Hung Dao, Dist. 1, HCMC
3. CASA Co. (HONG KONG). (1994-1995)
- Project: SAIGON RIVER SIDE APARTMENT: 670 Vo truong Toan, An Phu, Thu Duc Dist., HCMC
4. HIPHING Co. (HONG KONG) (1994 - 1995)
- Project: NEW WORLD HOTEL: 76 Le Lai St., Dist.1, HCMC
- Project: RAMADA HOTEL: (1997 -1998) Me Linh Square, District 1, HCMC
5. ACTEM LIMITED. (1996 - 1997)
- Project: SAIGON WORLD TRADE CENTER: 37 Ton Duc Thang
6. TAISEI CORPORATION , HIS (Japan) and ENTERPRISE Co., Ltd. (1996-1997)
- Project: HAITHANH KOTOBUKI PROJECT: MARRIOTT HOTEL AND SERVICE BUILDING: 2A-4A Ton Duc Thang St. Dist. 1
7. JOHN LAING International Ltd (1996 - 1997)
- Project: SAIGON CENTER: 124 Pasteur Street, District 1', HCMC, VN.
8. TRANSFIELD CONSTRUCTION (Queenland) PTY. LTD. (1997 - 1998)
- Project: SOFITEL HOTEL: 17 Le Duan Street, District 1
9. CHENGMENG CO. (1998-1999)
- Project : OCEAN PLACE MIXED DEVELOPMENT: 80 Dong Du Street, Dist.1, HCMC.
10. SAMSUNG CORPORATION (VN) LTD. (1997 - 1998)
- Project: DELTA CARAVELLE: Nguyen Hue St., District 1, HCMC.
11. CHINA STATE CONSTRUCTION ENGINEERING CORPORATION
- Project: THUAN KIEU DEVELOPMENT: District 5, HCMC
12. IHS-ENTREPRISE Co., Ltd.
- Project: LEGEND SAIGON HOTEL (PHASE 2): 2-4 A Ton Duc Thang St., Dist. 1, HCMC
13. SACIDELTA CONSTRUCTION JOINT VENTURE CO., LTD.
- Project: THANH DA RIVIERA ' SAIGON DOMAIN: 1057 Xo Viet Nghe Tinh, Ward 28, Binh Thanh District, HCMC.
14. POSCO ENGINEERING CO.,LTD and JOONG ANG DESIGN CO., LTD
- Project: DIAMOND PLAZA : (1998-1999) 34 Le Duan St., Dist. 1, HCMC
- Project: DEPARTMENT STORE - 1ST & 2ND FLOOR DIAMOND PLAZA (1999-2000)