EEC Office (Eastern Economic Corridor)
EEC Office (Eastern Economic Corridor) is the structural Thai inter-ministerial coordinator for the Eastern Economic Corridor. Anchors industrial investment in Chonburi, Rayong, and Chachoengsao provinces. Coordinates BOI EEC-tier investment incentives, U-Tapao airport development, eastern seaboard logistics, and industrial-estate cluster build-out.
Snapshot
Headline numbers a buyer checks first.
Established
2018
Ongoing
Enacted under Eastern Economic Corridor Act B.E. 2561
Target investment (THB tn)
THB 2.2T
2023-2027
Five-year EEC investment target across public and private
EEC zone area (sq km)
~13,285
Ongoing
Chonburi, Rayong, Chachoengsao provinces
Priority industries
10
Ongoing
Including EVs, medical hubs, smart electronics, aerospace, digital
Profile overview
EEC Office (Eastern Economic Corridor) is the structural Thai inter-ministerial coordinator for the Eastern Economic Corridor. Anchors industrial investment in Chonburi, Rayong, and Chachoengsao provinces. Coordinates BOI EEC-tier investment incentives, U-Tapao airport development, eastern seaboard logistics, and industrial-estate cluster build-out.
Investment clusters administered
Aviation
U-Tapao airport and aerospace MRO
Developing U-Tapao as Thailand's third international airport. MRO cluster targeting regional maintenance demand; BOI EEC-tier incentives for aerospace manufacturers. TAT and AOT coordinates on MICE-corridor access.
Auto and EV
EV and auto-parts cluster
EEC Chonburi and Rayong house Toyota, Ford, Honda, and Isuzu assembly and parts operations. BOI EEC incentives specifically target EV production investment with corporate-tax exemptions up to 13 years.
Digital
Digital park and data centres
EECd digital zone in Chachoengsao targets cloud, data centre, robotics, and AI investment. Alibaba, Huawei Cloud, and AWS have explored or committed to EECd data centre operations.
Medical
Medical hub and life sciences
EECi innovation zone includes medical devices and biotechnology clusters. Coordinates with MoPH and FDA on regulatory pathways for medical-hub investors targeting Thailand's 4.5M annual medical-tourist patient market.
EEC investment attraction by sector
Cumulative BOI-approved investment value, selected sectors
Automotive and EV
Est. BOI-approved (THB B)
~ $5.8B
Key investors
Toyota, Honda, Isuzu, BYD, MG
Primary province
Rayong, Chonburi
Aerospace MRO
Est. BOI-approved (THB B)
Key investors
Airbus, SIA Engineering, FL Technics
Primary province
Rayong (U-Tapao)
Digital and data centres
Est. BOI-approved (THB B)
Key investors
Alibaba Cloud, AWS, Huawei Cloud
Primary province
Chachoengsao
Medical hub and life sciences
Est. BOI-approved (THB B)
~ $869.6M
Key investors
BDMS, Bumrungrad, international pharma
Primary province
Chonburi
| Sector | Est. BOI-approved (THB B) | Key investors | Primary province |
|---|---|---|---|
| Automotive and EV | ~ $5.8B | Toyota, Honda, Isuzu, BYD, MG | Rayong, Chonburi |
| Aerospace MRO | ~ $1.45B | Airbus, SIA Engineering, FL Technics | Rayong (U-Tapao) |
| Digital and data centres | ~ $2.32B | Alibaba Cloud, AWS, Huawei Cloud | Chachoengsao |
| Petrochemical | ~ $3.48B | SCG, PTT GC, IRPC | Rayong |
| Medical hub and life sciences | ~ $869.6M | BDMS, Bumrungrad, international pharma | Chonburi |
Key drivers 2025-2026
Policy
EV production incentives
Thai government EV 30@30 target (30% EV production of total output by 2030) channels BOI EEC-tier incentives to Chinese EV makers. BYD Rayong plant opening 2025 is the landmark EEC-EV investment.
Infrastructure
High-speed rail linkage
Bangkok-Rayong high-speed rail project connecting three airports (Suvarnabhumi, Don Mueang, U-Tapao) is the EEC's critical transport infrastructure. Construction timeline and private concession terms determine 2027 readiness.
Competition
Regional FDI competition
Vietnam and Indonesia compete for the same EV, electronics, and data-centre FDI. EEC incentive renewal cycle and Thailand's English-proficiency, infrastructure advantages are the key differentiators in pitch presentations.
Where this profile is featured
Reports that reference this entity in their operator concentration or analysis.
Featured in
Thai Aerospace MRO and U-Tapao Maintenance Cluster
Coordinates aerospace-cluster development.
Featured in
Pattaya: EEC Tourism and the MICE-Corridor Recovery
Government agency administering EEC investment-promotion framework covering Chonburi, Rayong, Chachoengsao.
Featured in
EEC Eastern Economic Corridor: Investment Anchor and 2027 Pipeline
Government agency administering EEC investment-promotion framework covering Chonburi, Rayong, Chachoengsao.
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