| TCI | trade credit insurance | 贸易信用保险 |
| TCI | Trunk cabling interface | 星形连接 |
| TCI | Turks & Caicos Airways (ICAO code) | 土耳其和Caicos航空(ICAO代码) |
| TCI | Tenerife, Canary Islands, Spain - Tenerife Norte Los Rodeos (Airport Code) | 特内里费岛,加那利群岛,西班牙-特内里费岛北洛斯罗迪奥斯(机场代码) |
| TCI | Telephone Collectors International | 国际电话收藏家协会 |
| TCI | Technical Career Institute | 技术职业学院 |
| TCI | Travel Corporation of India, Ltd. | 印度旅游公司。 |
| TCI | Telecommunications Incorporated | 电信公司 |
| TCI | Technology Confirmation/Innovation | 确认/创新技术 |
| TCI | Total Cost Indicators (UK) | 总成本指标(英国) |
| TCI | Technology Commercialization Initiative | 技术商业化倡议 |
| TCI | Touring Club Italiano | 意大利旅游俱乐部 |
| TCI | Team Canada Inc | 加拿大队 |
| TCI | Tokyo Chemical Industry | 东京化学工业 |
| TCI | TELUS Communications Incorporated (Western Canada phone service) | TELUS Communications Incorporated(加拿大西部电话服务) |
| TCI | The Chubb Institute | Chubb研究所 |
| TCI | Tire Cost Index | 轮胎成本指数 |
| TCI | Telecommunication Company of Iran | 伊朗电信公司 |
| TCI | Tag Control Information | 标记控制信息 |
| TCI | Target Controlled Infusion | 靶控输注 |
| TCI | Tall Clubs International | 国际高俱乐部 |
| TCI | Temperament and Character Inventory | 气质和性格清单 |
| TCI | Terrain Clearance Indicator | 地形净空指示灯 |
| TCI | Transcontinental Realty Investors, Inc. | 美国洲际房地产投资公司。 |
| TCI | To Come In | 进来吧 |
| TCI | Transistor Controlled Ignition | 晶体管控制点火 |
| TCI | Tenerife, Canary Islands | 加那利群岛特内里费岛 |
| TCI | Trauma Care International | 创伤护理国际 |
| TCI | Therapeutic Crisis Intervention | 治疗性危机干预 |
| TCI | Truly Creative Ideas | 真正的创意 |
| TCI | TÉcnicos y Consultores de Inversiones | TÉcnicos y Consultores de Inversiones |
| TCI | 1-thiocarbamoyl-2-imidazolidinone | 1-硫代氨基甲酰基-2-咪唑啉酮 |
| TCI | Third Country Initiative | 第三国倡议 |
| TCI | Thermal Comfort Inventory | 热舒适性库存 |
| TCI | Tree Climbers International | 国际爬树者 |
| TCI | Teachers' Curriculum Institute | 教师的课程 |
| TCI | Transaction Content Integration | 事务内容集成 |
| TCI | Tree Classics, Inc. | Tree Classics公司。 |
| TCI | Transportation Clubs International | 国际交通俱乐部 |
| TCI | Teen Challenge International | 青少年挑战国际 |
| TCI | transient cerebral ischemia | 短暂性脑缺血 |
| TCI | Terminal Command Identify | 终端命令标识 |
| TCI | Turks And Caicos Islands | 特克斯和凯科斯群岛 |
| TCI | Terminal Communications Interface | 终端通信接口 |
| TCI | to come in(to hospital) | 来(住院) |
| TCI | total cerebral ischemia | 全脑缺血 |
| TCI | Time Change Item | 时间更改项 |
| TCI | Trajectory Computation Infrastructure | 轨迹计算基础设施 |
| TCI | The Catfish Institute | 鲶鱼研究所 |
| TCI | Trip-Cancellation Insurance | 旅行取消保险 |
| TCI | Truncated Channel Inversion | 截断信道反演 |
| TCI | Texas Certified Investigator | 德克萨斯州注册调查员 |
| TCI | Total Capital Investment | 资本投资总额 |
| TCI | Transit Capital Improvement | 运输资本改善 |
| TCI | Twentieth Century Insurance | 二十世纪保险 |
| TCI | Transistorised Coil Ignition | 晶体管线圈点火 |
| TCI | Transistorized Pointless Ignition | 晶体管无触点点火 |
| TCI | Takeda Chemical Industries, Ltd (Japan) | 武田化学工业株式会社(日本) |
| TCI | Trustworthy Computing Initiative (Microsoft) | 值得信赖的计算计划(Microsoft) |
| TCI | Theme Centered Interaction (Ruth Cohn communication method) | 以主题为中心的互动(Ruth Cohn沟通方法) |
| TCI | Tennessee Coal and Iron Company | 田纳西州煤炭和钢铁公司 |
| TCI | Tidewater Consultants, Inc. | 潮水咨询公司。 |
| TCI | Toral Cast Integrated Technologies | Toral Cast集成技术 |
| TCI | Texture Coordinate Index (Microsoft DirectX) | 纹理坐标索引(Microsoft DirectX) |
| TCI | Telecom Cook Islands Ltd | 库克群岛电信有限公司 |
| TCI | Taycheedah Correctional Institution (Fond du Lac, Wisconsin) | Taycheedah惩教所(威斯康辛州Fond du Lac) |
| TCI | Tufts Climate Initiative | 塔夫茨气候倡议 |
| TCI | Texas Correctional Industries | 德克萨斯州矫正工业 |
| TCI | To Come In (hospital appointments) | 进来(医院预约) |
| TCI | Teleconsult International | 国际电信咨询公司 |