| ลำดับ | ชื่อย่อ | ชื่อ | จำนวนรหัสดีโอไอ |
|---|---|---|---|
| 81 | RMUTTO | Rajamangla University of Technology Tawan-ok | 74 |
| 82 | RN | Rachineeburana School | 12 |
| 83 | RSU | Rangsit University | 2,547 |
| 84 | RTAMED | Royal Thai Army Medical Department | 35 |
| 85 | RU | Ramkhamhaeng University | 5,000 |
| 86 | RUS | Suvarnabhumi Business School | 2 |
| 87 | SBC | Southeast Bangkok College | 64 |
| 88 | SBS | บริษัท ซิมพลี ไบรท์ ซิสเต็ม จำกัด | 1 |
| 89 | SDU | Suan Dusit University | 864 |
| 90 | SHR | Secretariat of the House of Representatives | 98 |
| 91 | SIAM | Siam University | 308 |
| 92 | SKRU | Songkhla Rajabhat University | 6 |
| 93 | SNRU | Sakon Nakhon Rajabhat University | 40 |
| 94 | SP | Professor Suchart Prasith – rathsint. Foundation and Research Development | 0 |
| 95 | SPU | Sripatum University | 160 |
| 96 | SRU | Suratthani Rajabhat University | 163 |
| 97 | SSKRU | Sisaket Rajabhat University | 0 |
| 98 | SSRU | Suan Sunandha Rajabhat University | 120 |
| 99 | STC | Siam Technology College | 50 |
| 100 | STOU | Sukhothai Thammathirat Open University | 6,330 |
| 101 | SU | Silpakorn University | 6,296 |
| 102 | SWU | Srinakharinwirot University | 272 |
| 103 | TATC | Thai-Austrian Technical College | 0 |
| 104 | thai-explore | ห้องสมุดงานวิจัยสำหรับสาธารณะ (Extraordinary Simple Public Library of Research Result : EXPLORE) | 4 |
| 105 | THAIBAR | Thai Bar Under The Royal Patronage | 0 |
| 106 | THAIPBS | Thai Public Broadcasting Service | 0 |
| 107 | TRU | Thepsatri Rajabhat University | 1,009 |
| 108 | TSAE | Thai Society of Agricultural Engineering | 107 |
| 109 | TSB | Thai Society for Biotechnogy | 62 |
| 110 | TSME | Thai Society of Mechanical Engineers | 333 |
| 111 | TSU | Thaksin University | 133 |
| 112 | TU | Thammasat University | 21,195 |
| 113 | UBRU | Ubon Ratchathani Rajabhat University | 44 |
| 114 | UBU | Ubon Ratchathani University | 407 |
| 115 | UDRU | Udon thani Rajabhat University | 20 |
| 116 | UP | University of Phayao | 7 |
| 117 | URU | Uttaradit Rajabhat University | 566 |
| 118 | VRU | Valaya Alongkorn Rajabhat University | 52 |
| 119 | VU | Vongchavalitkul University | 34 |
| 120 | WU | Walailak University | 499 |