Thailand’s construction industry plays a vital role in driving the country’s economic growth and infrastructure development. From large-scale infrastructure projects to high-rise buildings and residential complexes, the construction sector in Thailand continues to thrive, thanks to the expertise and innovation of top construction companies. Whether it’s roadways, airports, or luxury condominiums, these companies have built a reputation for excellence, quality, and timely delivery.
Here’s a list of the top 10 construction companies in Thailand, including their websites, phone numbers, locations, and notable projects to help you understand the key players in the industry.
1. Italian-Thai Development Public Company Limited (ITD)
Founded in 1958, Italian-Thai Development Public Company Limited (ITD) is one of the largest and most influential construction companies in Thailand. ITD specializes in civil engineering, infrastructure projects, and industrial construction. Over the years, ITD has completed significant projects including highways, bridges, airports, and railway lines.
- Website: www.itd.co.th
- Phone: +66 2 716 1600
- Location: 2034/132-161 Italthai Tower, New Petchburi Road, Bangkapi, Huaykwang, Bangkok 10310, Thailand
- Notable Works:
- Suvarnabhumi Airport
- Bangkok Metro Blue Line Extension
- Laem Chabang Deep Sea Port
2. CH. Karnchang Public Company Limited (CK)
Established in 1972, CH. Karnchang Public Company Limited (CK) is known for handling large-scale infrastructure projects, including rail systems, water treatment plants, and energy projects. CK has played a significant role in shaping Thailand’s infrastructure, especially in the transportation sector.
- Website: www.ch-karnchang.co.th
- Phone: +66 0 2277 0460
- Location: 587 Viriyathavorn Building, Sutthisan Road, Ratchadapisek, Dindaeng, Bangkok 10400, Thailand
- Notable Works:
- Xayaburi Hydroelectric Power Project (Laos)
- MRT Purple Line
- Sri Rat Expressway
3. Sino-Thai Engineering & Construction Public Company Limited (STECON)
Sino-Thai Engineering & Construction (STECON) is a leading name in the Thai construction sector, focusing on high-rise buildings, commercial complexes, and public infrastructure. Established in 1962, STECON is well-known for its commitment to quality and safety.
- Website: www.stecon.co.th
- Phone: +66 0 2260 1321
- Location: 32/60 Soi Sukhumvit 21 (Asoke), Klongtoey Nua, Wattana, Bangkok 10110, Thailand
- Notable Works:
- Iconsiam Shopping Complex
- BTS Green Line Extension
- Parliament House of Thailand
4. Ritta Co., Ltd.
Ritta Co., Ltd. has over 30 years of experience in the Thai construction industry. The company is known for handling high-end residential projects, commercial buildings, and industrial plants. Ritta’s focus on precision and innovative design sets it apart.
- Website: www.ritta.co.th
- Phone: (662) 326-5000
- Location: 300 Romklao Road, Klongsamprawet, Latkrabang, Bangkok 10520, Thailand
- Notable Works:
- Magnolia Waterfront Residences
- The Ritz-Carlton Residences, Bangkok
- Crystal Design Center (CDC)
5. Nawarat Patanakarn Public Company Limited (NWR)
Founded in 1976, Nawarat Patanakarn Public Company Limited (NWR) is involved in civil engineering, infrastructure projects, and industrial construction. NWR has delivered complex infrastructure and commercial projects with a focus on durability and functionality.
- Website: https://www.nawarat.co.th/
- Phone: (662) 730-2100
- Location: Bangna Towers A, 18th-19th Floor, Moo 14, Bangna-Trad Road Km. 6.5, Bangkaew, Bangplee, Samutprakarn
- Notable Works:
- Bangkok’s MRT Orange Line
- Double Track Railway Project
- U-Tapao Airport Expansion
6. Thai Obayashi Corporation Limited
Thai Obayashi Corporation is a subsidiary of Obayashi Corporation Japan. Established in 1974, it focuses on high-rise construction, industrial plants, and public infrastructure. Thai Obayashi is known for its innovative construction techniques and adherence to global standards.
- Website: www.thaiobayashi.co.th
- Phone: (662) 252-5200
- Location: 9th Floor, O-NES Tower, 6 Sukhumvit 6, Klongtoey District, Bangkok 10110 THAILAND
- Notable Works:
- Empire Tower
- Siam Paragon Shopping Mall
- Amata Industrial Park
7. Unique Engineering and Construction Public Company Limited
Unique Engineering and Construction (UNIQ) was established in 1994. The company specializes in infrastructure projects, including railways, expressways, and water management systems. UNIQ has a strong presence in public sector construction.
- Website: www.unique.co.th
- Phone: +66 2582 3196
- Location: No. 200 Village No. 4, Jasmine International Tower, 15th Floor, Chaeng Watthana Road, Pak Kret Subdistrict, Pak Kret District, Nonthaburi Province 11120
- Notable Works:
- Pink Line Monorail
- Kanchanaphisek Expressway
- Chao Phraya River Bridge
8. Power Line Engineering Public Company Limited (PLE)
Founded in 1988, Power Line Engineering (PLE) focuses on electrical and mechanical systems in construction projects. PLE has handled major commercial, residential, and industrial projects across Thailand.
- Website: https://ple.co.th/
- Phone: : +66 2332 0345
- Location: 2 Soi Sukhumvit 81 (Siripot) Sukhumvit Rd., Bangjak, Phrakhanong, Bangkok 10260
- Notable Works:
- Central Embassy Mall
- Terminal 21
- Samitivej Sukhumvit Hospital
9. Christiani & Nielsen (Thai) Public Company Limited
Established in 1930, Christiani & Nielsen (Thai) Public Company Limited is one of the oldest construction companies in Thailand. It specializes in civil engineering and large infrastructure projects.
- Website: www.cn-thai.co.th
- Phone: +66 2 251 8106
- Location: 451 La Salle Road, Bangna Tai, Bangna, Bangkok 10260, Thailand
- Notable Works:
- BTS Skytrain
- Mega Bangna Mall
- Thai Cultural Centre
10. Pre-Built Public Company Limited
Pre-Built Public Company Limited specializes in prefabricated construction systems and high-rise buildings. Founded in 1995, the company has become a leader in residential and commercial construction projects.
- Website: https://www.prebuilt.co.th/
- Phone: +662 9601 3809
- Location: 503 Srinakarin Road, Suanluang, Suanluang, Bangkok 10250, Thailand
- Notable Works:
- The Line Sukhumvit
- Thonglor Residence
- Central Festival Phuket
Conclusion
Thailand’s construction industry continues to grow, fueled by urbanization, infrastructure development, and foreign investment. These top 10 companies have demonstrated excellence in delivering world-class projects that contribute to the country’s progress. Whether you’re planning a major infrastructure project or looking for a trusted contractor, these companies represent the best of Thailand’s construction sector.