| ITS | Intertek Test Service | Intertek测试服务公司 |
| ITS | International Theological Seminary | 国际神学研究院 |
| ITS | intermarket trading system | 跨市场交易系统 |
| ITS | Intermediate Level Test Set | 中间层测试 |
| ITS | Intelligent Transportation System | 智能型传输系统 |
| ITS | information technology system | 信息技术部 |
| ITS | Independent Television Service | 独立电视服务 |
| ITS | Information Transfer System | 信息转换系统 |
| ITS | Information Transmission System | 信息传输系统 |
| ITS | Insertion Test Signal | 插入测试信号 |
| ITS | Intelligent Transport System | 智能交通系统 |
| ITS | International Telecommunication Service | 国际电信业务 |
| ITS | International Telecommunication Society | 国际电信协会 |
| ITS | International Thespian Society | 国际戏剧协会 |
| ITS | Institute of Telecommunications Standards | 电信标准协会 |
| ITS | Intelligent Transportation Society | 智能交通协会 |
| ITS | International Teleproduction Society | 国际电视制作协会 |
| ITS | Intellectual Traffic System | 智能交通系统 |
| ITS | Information Technology Studies (course) | 信息技术研究（课程） |
| ITS | Intermarket Trading System (electronic communications network linking nine markets) | 市场间交易系统（连接九个市场的电子通信网络） |
| ITS | Issues in the Theory of Security (workshop) | 安全理论中的问题（研讨会） |
| ITS | Information Technology Services | 信息技术服务 |
| ITS | Intelligent Tutoring System | 智能教学系统 |
| ITS | Integrated Technology Services | 集成技术服务 |
| ITS | International Title Service | 国际产权服务 |
| ITS | Integrated Teaching Systems | 综合教学系统 |
| ITS | Imagery Transfer Server | 图像传输服务器 |
| ITS | Instrumented TEMPEST Survey | 仪器化TEMPEST调查 |
| ITS | Intelligence Training System (Intelligence training for branches of DOD at Goodfellow AFB, TX) | 情报训练系统（德克萨斯州古德费罗空军基地国防部各部门的情报训练） |
| ITS | Individual Training System | 个人培训系统 |
| ITS | Impactor Target Sensor (Deep Impact cometary probe) | 撞击器目标传感器（深撞击彗星探测器） |
| ITS | Inventory Tracking System | 总量跟踪系统 |
| ITS | Internal Transcribed Spacer (ribosomal DNA repeating unit) | 内部转录间隔物（核糖体DNA重复单元） |
| ITS | IOS Telephony Service (Cisco) | IOS电话服务（Cisco） |
| ITS | Internet Transaction Server (SAP R/3) | 网上交易服务器(3) |
| ITS | I Thought So | 我也这么想 |
| ITS | Imagery Transformation Services | 图像转换服务 |
| ITS | Information Transfer System/Service | 信息传递系统/服务 |
| ITS | Institute of Transportation Studies, UC Berkeley | 加州大学伯克利分校交通研究所 |
| ITS | Internal Time Slot (AT&T) | 内部时段(AT&T) |
| ITS | International Translation System (Sprint) | 国际翻译系统（Sprint） |
| ITS | Installation Telecommunications System | 安装电信系统 |
| ITS | International Transcription Service | 国际转录服务 |
| ITS | Internet Time Service | Internet时间服务 |
| ITS | Index of Thermal Stress | 热应力指数 |
| ITS | Infinite Time Slicing | 无限时间切片 |
| ITS | Interactive Training Simulation/System | 交互仿真训练系统 |
| ITS | Internet Technology Series (IETF) | 互联网技术系列（IETF） |
| ITS | Information Transport Systems (cabling) | 信息传输系统（布线） |
| ITS | Interim Targeting Solution | 临时目标解决方案 |
| ITS | International Type Search | 国际类型搜索 |
| ITS | Initial Test Speed (tires) | 初始测试速度（轮胎） |
| ITS | Interconnected Trail System | 互联轨道系统 |
| ITS | Information Technical Specialist | 信息技术专家 |
| ITS | Interim Transition Schedule | 中期过渡计划 |
| ITS | Independent Training Solutions Ltd (UK) | 独立培训解决方案有限公司（英国） |
| ITS | Improved Tracking and Service (USPS) | 改进的跟踪和服务（USPS） |
| ITS | Information Technology Solutions | 信息技术解决方案 |
| ITS | International Total Services, Inc. (service contract company) | International Total Services，Inc.（服务合同公司） |
| ITS | Information Technology Service (SAIC) | 信息技术服务（SAIC） |
| ITS | International Trade Secretariats | 国际贸易秘书处 |
| ITS | Internet Telephony Server (Lucent) | Internet电话服务器（Lucent） |
| ITS | Insertion Test Signal (ITU-T) | 插入测试信号（ITU-T） |
| ITS | Incidental Take Statement | 附带收益声明 |
| ITS | Institute for Telecommunication Sciences | 电信科学研究所 |
| ITS | Inspection and Test Solutions | 检查和测试解决方案 |
| ITS | Integrated Test Schedule | 综合测试计划 |
| ITS | Iowa Telecommunications Services Inc | 爱荷华州电信服务公司 |
| ITS | Informationstekniska Standardiseringen (Swedish: Information Technical Standards) | Informationstekniska Standardiseringen（瑞典语：信息技术标准） |
| ITS | International Tracing Service | 国际追踪服务 |
| ITS | Information Transmittal Sheet | 信息传递表 |
| ITS | International Telecommunication Symposium | 国际电信研讨会 |
| ITS | Integrated Truss Structure | 集成特拉斯结构 |
| ITS | Information Technology Security | 信息技术安全 |
| ITS | International Temperature Scale | 国际温标 |
| ITS | Inter-Plan Teleprocessing Services (health insurance) | 计划间远程处理服务（健康保险） |
| ITS | Invitation To Send | 发送邀请 |
| ITS | Information Technology Support | 信息技术支持 |
| ITS | In The Soup | 在汤里 |
| ITS | Information Technology Service (GSA, formerly IRMS) | 信息技术服务（GSA，前身为IRMS） |
| ITS | Intertek Testing Services | 天祥集团 |
| ITS | International Travel Survey (Canada) | 国际旅行调查（加拿大） |
| ITS | Interactive Training System | 交互式训练系统 |
| ITS | Indirect Tensile Strength | 间接抗拉强度 |
| ITS | Incompatible Time-Sharing System | 不兼容的分时系统 |
| ITS | Integrated Testing Services | 集成测试服务 |
| ITS | Inoculation Tracking System (TMIP) | 接种追踪系统（TMIP） |
| ITS | Inner Thermal Shield | 内部隔热罩 |
| ITS | In the Spotlight (Boulder, CO) | 在聚光灯下（科罗拉多州博尔德） |
| ITS | Interferometer Thermal Sounder | 干涉仪热探测器 |
| ITS | Important To Safety | 安全重要事项 |
| ITS | Interim Trainer Support | 临时培训师支持 |
| ITS | Independent Target System (MILES Component) | 独立目标系统（MILES组件） |
| ITS | Iowa Talent Search (Iowa State University, Ames, Iowa) | 爱荷华人才搜索（爱荷华州立大学，艾姆斯，爱荷华州） |
| ITS | Integrated Training System | 综合培训系统 |
| ITS | Intermediate Transfer Station | 中间转运站 |
| ITS | Intent to Sue | 起诉的意图 |
| ITS | Interchange Transaction Scheduling | 交换事务调度 |
| ITS | Integrated Turf Solutions | 集成草皮解决方案 |
| ITS | Integrated Tool Set | 集成工具集 |