| TEC | Texas Electric Cooperatives, Inc. | 德克萨斯州电力合作社。 |
| TEC | Total Estimated Cost | 总估算成本 |
| TEC | Tri-County Electric Cooperative (Minnesota) | 三县电力合作社（明尼苏达州） |
| TEC | Transatlantic Economic Council (Transatlantic Business Dialogue) | 跨大西洋经济委员会（跨大西洋商业对话） |
| TEC | Travel Expense Claim | 差旅费用报销 |
| TEC | Typical Electricity Consumption (Energy Star Test Method) | 典型耗电量（能源之星测试方法） |
| TEC | The Elite Clan (Counter-Strike clan) | 精英氏族（反击氏族） |
| TEC | Topographic Engineering Center | 地形工程中心 |
| TEC | TRICARE Executive Committee | TRICARE执行委员会 |
| TEC | Telecom Engineering Centre (India) | 电信工程中心（印度） |
| TEC | Tivoli Enterprise Console | Tivoli企业控制台 |
| TEC | Test Execution Control | 测试执行控制 |
| TEC | Texas Education Code | 德克萨斯州教育法规 |
| TEC | Training and Enterprise Council | 培训和企业理事会 |
| TEC | Terna Engineering College (India) | Terna工程学院（印度） |
| TEC | transient erythroblastopenia of childhood | 儿童短暂性红细胞减少症 |
| TEC | thymic epithelial cell | 胸腺上皮细胞 |
| TEC | Tactical ELINT Correlator | 战术ELINT相关器 |
| TEC | Training Extension Course | 培训扩展课程 |
| TEC | Tarifa Externa Comum (Portugese: External Common Tariff) | Tarifa Externa Comum（葡萄牙语：对外共同关税） |
| TEC | Texas Employment Commission | 德克萨斯州就业委员会 |
| TEC | Training Equipment Center | 培训设备中心 |
| TEC | Thermo-Electric Cooler | 热电冷却器 |
| TEC | Technical Evaluation Committee | 技术评估委员会 |
| TEC | Type Equipment Code | 类型设备代码 |
| TEC | Temporary Engineering Change | 临时工程变更 |
| TEC | Traditional Episcopal Church | 传统圣公会 |
| TEC | Thermal Engineering Corporation | 热力工程公司 |
| TEC | The Elongated Collectors (pressed elongated souvenir pennies) | 细长收藏家（压制细长纪念硬币） |
| TEC | Test and Evaluation Center | 测试和评估中心 |
| TEC | Temporal Energy Constraint | 时间能量约束 |
| TEC | Type Examination Certificate | 型式检验证书 |
| TEC | Tokai Electronic(s) Company | 东海电子公司 |
| TEC | Thermal Electric Control | 热电控制 |
| TEC | Team Eclipse (gaming clan) | 团队Eclipse（游戏族） |
| TEC | Temporal Error Concealment | 暂时错误隐藏 |
| TEC | Tennessee Eastman Corporation | 田纳西州伊斯曼公司 |
| TEC | Technology for Energy Corporation (Knoxville, TN) | 能源技术公司（田纳西州诺克斯维尔） |
| TEC | Threshold Exceeded Condition | 超过阈值条件 |
| TEC | Together Encountering Christ | 一起遇见基督 |
| TEC | Commercial Intertech Corporation | 商业Intertech公司 |
| TEC | Technology Education And Commerce | 技术教育与商业 |
| TEC | total(blood)eosinophil count | 总（血液）嗜酸性粒细胞计数 |
| TEC | Technology Education Courses | 技术教育课程 |
| TEC | ion exclusion chromatography | 离子排阻色谱法 |
| TEC | Technology Education And Capital | 技术教育与资本 |
| TEC | Teens Encounter Christ | 青少年邂逅基督 |
| TEC | Thermal Electric Cooler | 热电冷却器 |
| TEC | Technological Entrepreneurs Club | 技术企业家俱乐部 |
| TEC | Technology And Education For Christ | 基督的科技与教育 |
| TEC | Trim Efficiency Control | 微调效率控制 |
| TEC | Total End Cost | 总最终成本 |
| TEC | Thermo Electric Cooling | 热电制冷 |
| TEC | Tarifa exterior | 塔里法外部 |
| TEC | Total Employment Cost | 总雇佣成本 |
| TEC | Telemaco Borba, PR, Brazil | Telemaco Borba，PR，巴西 |
| TEC | The Evil Clan | 邪恶家族 |
| TEC | The Elite Clan | 精英氏族 |
| TEC | Tunnel Engineering Consultants (Netherlands) | 隧道工程顾问（荷兰） |
| TEC | Treaty of the European Community | 欧洲共同体条约 |
| TEC | The Episcopal Church | 圣公会 |
| TEC | Technical Excellence & Creativity (Award) | 技术优势和创造力(裁决) |
| TEC | Total Electron Content | 总电子含量 |
| TEC | Threshold Effects Concentration | 阈值效应浓度 |
| TEC | Thermoelectric Cooling | 热电冷却 |
| TEC | Traffic Engineering Control | 交通工程控制 |
| TEC | Time-Domain Echo Cancellation | 时域回声消除 |
| TEC | Threshold Exceeds Condition | 阈值超过条件 |
| TEC | Tertiary Education Commission | 高等教育委员会 |
| TEC | Thyroid Epithelial Cell | 甲状腺上皮细胞 |
| TEC | Technology Evaluation Center | 技术评估中心 |
| TEC | Thermionic Energy Conversion | 热能转换 |
| TEC | Technical Environment Control, Incorporated | 技术环境控制公司 |
| TEC | Transearth Coast | 跨地球海岸 |
| TEC | Tasa de Eventos de Control (Spanish) | Tasa de Eventos de Control（西班牙语） |
| TEC | Total Entertainment Center (video rental store) | Total娱乐中心（视频租赁店） |
| TEC | Triple Error Correction | 三重误差校正 |
| TEC | Total Excellence Centre (Manchester, UK) | Total Excellence Centre（英国曼彻斯特） |
| TEC | Teaching Energy Conservation | 节能教学 |
| TEC | Territorial Electoral Commission (Russian Federation) | 领土选举委员会（俄罗斯联邦） |
| TEC | Training Exercise Coordinator | 培训演习协调员 |
| TEC | Teens Erleben Christus (German) | 青少年Erleben Christus（德语） |
| TEC | Taxpayer Education and Communication | 纳税人教育与沟通 |
| TEC | Test & Experimentation Center | 测试和试验中心 |
| TEC | TOSS Exchange Center | TOSS交换中心 |
| TEC | The Environmental Company, Inc (Annapolis, MD) | The Environmental Company，Inc（马里兰州安纳波利斯） |
| TEC | Teens Encounter Christ (Catholic Youth Retreat) | 青少年邂逅基督（天主教青年务虚会） |
| TEC | Total Elementary Carbon (solid wastes) | 总基本碳（固体废物） |
| TEC | The Electric Company (TV show) | 电气公司（电视节目） |
| TEC | Test Environment Certification | 测试环境认证 |
| TEC | Tokyo Electronics Corporation | 东京电子公司 |
| TEC | Trace Elements Corporation | 微量元素公司 |
| TEC | Tower En-route Control | 塔台航路控制 |
| TEC | Taxpayer Education and Counseling | 纳税人教育和咨询 |
| TEC | Turbine Exhaust Case | 涡轮机排气壳体 |
| TEC | triethylcholine | 三乙基胆碱 |
| TEC | tumour explant culture | 肿瘤外植体培养 |