| 2M 2S Metal Public Company Limited | 2S | Basic materials |
| AH AAPICO Hitech Public Company Limited | AH | Consumer cyclical |
| AC Advanced Connection Corporation Public Company Limited | ACC | Industrials |
| AI Advanced Information Technology Public Company Limited | AIT | Technology |
| AI Advanced Info Service Public Company Limited | ADVANC | Communication services |
| AT AEON Thana Sinsap (Thailand) Public Company Limited | AEONTS | Financial services |
| AY After You Public Company Limited | AU | Consumer cyclical |
| AH Agripure Holdings Public Company Limited | APURE | Consumer defensive |
| AH Aikchol Hospital Public Company Limited | AHC | Healthcare |
| AC AIM Commercial Growth Freehold And Leasehold Real Estate Investment Trust | AIMCG | Real estate |
| AI AIM Industrial Growth Freehold and Leasehold Real Estate Investment Trust | AIMIRT | Real estate |
| AC AIRA Capital Public Company Limited | AIRA | Financial services |
| AF AIRA Factoring Public Company Limited | AF | Financial services |
| AO Airports Of Thailand PCL | AOT | Industrials |
| AE Ai Energy Public Company Limited | AIE | Consumer defensive |
| AA AJ Advance Technology Public Company Limited | AJA | Technology |
| AP Akkhie Prakarn Public Company Limited | AKP | Industrials |
| AP Alla Public Company Limited | ALLA | Industrials |
| AA Allianz Ayudhya Capital Public Company Limited | AYUD | Financial services |
| AL Ally Leasehold Real Estate Investment Trust | ALLY | Real estate |
| AT ALT Telecom Public Company Limited | ALT | Technology |
| AP Alucon Public Company Limited | ALUCON | Basic materials |
| AL Amanah Leasing Public Company Limited | AMANAH | Financial services |
| AP Amarin Printing and Publishing Public Company Limited | AMARIN | Communication services |
| AS Amata Summit Growth Freehold and Leasehold Real Estate Investment Trust | AMATAR | Real estate |
| AV Amata VN PCL | AMATAV | Real estate |
| AM Ama Marine Public Company Limited | AMA | Industrials |
| AD Ananda Development Public Company Limited | ANAN | Real estate |
| A( AP (Thailand) Public Company Limited | AP | Real estate |
| AP Aqua Corporation Public Company Limited | AQUA | Consumer cyclical |
| AP Areeya Property Public Company Limited | A | Real estate |
| AP ARIP Public Company Limited | ARIP | Industrials |
| AS Arrow Syndicate Public Company Limited | ARROW | Industrials |
| AP Asefa Public Company Limited | ASEFA | Industrials |
| AI Asian Insulators PCL | AI | Industrials |
| AM Asian Marine Services Public Company Limited | ASIMAR | Industrials |
| AP Asian Phytoceuticals Public Company Limited | APCO | Consumer defensive |
| AS Asian Sea Corporation Public Company Limited | ASIAN | Consumer defensive |
| AA Asia Aviation Public Company Limited | AAV | Industrials |
| AF Asia Fiber Public Company Limited | AFC | Consumer cyclical |
| AG Asia Green Energy Public Company Limited | AGE | Energy |
| AH Asia Hotel Public Company Limited | ASIA | Consumer cyclical |
| AM Asia Metal Public Company Limited | AMC | Basic materials |
| AP Asia Plus Group Holdings PCL | ASP | Financial services |
| AP Asia Precision Public Company Limited | APCS | Industrials |
| AS Asia Sermkij Leasing Public Company Limited | ASK | Financial services |
| AB ASN Broker Public Company Limited | ASN | Financial services |
| AI Asphere Innovations Public Company Limited | AS | Communication services |
| A3 ATP 30 Public Company Limited | ATP30 | Industrials |
| AP A.J. Plast Public Company Limited | AJ | Consumer cyclical |
| BR Baan Rock Garden Public Company Limited | BROCK | Real estate |
| BP Bangchak Corporation Public Company Limited | BCP | Energy |
| BA Bangkok Airways Public Company Limited | BA | Industrials |
| BA Bangkok Aviation Fuel Services Public Company Limited | BAFS | Industrials |
| BB Bangkok Bank PCL | BBL | |
| BD Bangkok Dec-Con Public Company Limited | BKD | Consumer cyclical |
| BD Bangkok Dusit Medical Services Public Company Limited | BDMS | Healthcare |
| BE Bangkok Expressway and Metro Public Company Limited | BEM | Industrials |
| BL Bangkok Life Assurance Public Company Limited | BLA | Financial services |
| BR Bangkok Ranch PCL | BR | Consumer defensive |
| BS Bangkok Sheet Metal Public Company Limited | BM | Industrials |
| BU Bangkok Union Insurance Public Co. Ltd. | BUI | Financial services |
| BB Bangsaphan Barmill Public Company Limited | BSBM | Basic materials |
| BO Bank of Ayudhya PCL | BAY | Financial services |
| BP Banpu Public Company Limited | BANPU | Utilities |
| BP BCPG Public Company Limited | BCPG | Utilities |
| BC Beauty Community Public Company Limited | BEAUTY | Consumer cyclical |
| BW BEC World Public Company Limited | BEC | Communication services |
| BJ Berli Jucker PCL | BJC | Industrials |
| BW Better World Green Public Company Limited | BWG | Industrials |
| BP BGT Corporation Public Company Limited | BGT | Consumer cyclical |
| BO Bhiraj Office Leasehold Real Estate Investment Trust | BOFFICE | Real estate |
| BC Big Camera Corporation Public Company Limited | BIG | Consumer cyclical |
| BH BJC Heavy Industries Public Company Limited | BJCHI | Industrials |
| BA Bound and Beyond PCL | BEYOND | Consumer cyclical |
| BN Boutique Newcity Public Company Limited | BTNC | Consumer cyclical |
| BW BT Wealth Industries Public Company Limited | BTW | Industrials |
| BP BuilderSmart Public Company Limited | BSM | Industrials |
| BH Bumrungrad Hospital PCL | BH | |
| BS Buriram Sugar Public Company Limited | BRR | Consumer defensive |
| BA Business Alignment Public Company Limited | BIZ | Healthcare |
| BO Business Online PCL | BOL | Industrials |
| BP B.Grimm Power Public Company Limited | BGRIM | Utilities |
| CE Cal-Comp Electronics (Thailand) Public Company Limited | CCET | Technology |
| CE Capital Engineering Network Public Company Limited | CEN | Basic materials |
| CP Castle Peak Holdings Public Company Limited | CPH | Consumer cyclical |
| CH Centara Hotels & Resorts Leasehold Property Fund | CTARAF | |
| CP Central Pattana Public Company Limited | CPN | Real estate |
| CW Chai Watana Tannery Group Public Company Limited | CWT | Industrials |
| CI Charan Insurance Public Company Limited | CHARAN | Financial services |
| CI Charn Issara Development Public Company Limited | CI | Real estate |
| CP Charoen Pokphand Foods Public Company Limited | CPF | |
| CT Charoong Thai Wire and Cable Public Company Limited | CTW | Industrials |
| CP Chewathai Public Company Limited | CHEWA | Real estate |
| CF Chiangmai Frozen Foods Public Company Limited | CM | Consumer defensive |
| CR Chiangmai Rimdoi Public Company Limited | CRD | Industrials |
| CM Chiang Mai Ram Medical Business Public Company Limited | CMR | Healthcare |
| CC Chonburi Concrete Product Public Company Limited | CCP | Basic materials |
| CS Chow Steel Industries Public Company Limited | CHOW | Basic materials |
| CT Cho Thavee Public Company Limited | CHO | Industrials |