| Acronym | Definition |
|---|
| EIS➣Environmental Impact Statement |
| EIS➣Enterprise Information Systems |
| EIS➣Electronic Image Stabilization (photography) |
| EIS➣Environmental Impact Study |
| EIS➣Early Intervention Services |
| EIS➣English Institute of Sport (UK) |
| EIS➣Executive Information System |
| EIS➣Enterprise Infrastructure Services (various organizations) |
| EIS➣Electrochemical Impedance Spectroscopy |
| EIS➣Enterprise Infrastructure Solutions (software) |
| EIS➣Electronic Ignition Systems |
| EIS➣Epidemic Intelligence Service (CDC) |
| EIS➣Enterprise Investment Schemes (UK financial information) |
| EIS➣Encrypt Instruction Set |
| EIS➣Engine Induction System |
| EIS➣Electronic Image Stabilization |
| EIS➣Enterprise Information System |
| EIS➣External Information System |
| EIS➣Emirates International School (United Arab Emirates) |
| EIS➣Extreme Ice Survey (est. 2007; photography project) |
| EIS➣Educational Institute of Scotland |
| EIS➣European International School (Philippines) |
| EIS➣European Innovation Scoreboard |
| EIS➣Euro Information Services (France) |
| EIS➣Energy Imbalance Service |
| EIS➣Environmental Information Systems |
| EIS➣Entry Into Service (date) |
| EIS➣Enterprise Information Services |
| EIS➣Electronic Information Services |
| EIS➣European Information System |
| EIS➣Eastern Irish Sea |
| EIS➣Education Information Service (various organizations) |
| EIS➣Employee Information System |
| EIS➣Engineering Installation Squadron |
| EIS➣Enterprise Information Security |
| EIS➣Early Intervention Specialist |
| EIS➣Emergency Information System |
| EIS➣Extreme Ultraviolet Imaging Spectrometer |
| EIS➣External Integrated System |
| EIS➣Economic Information System |
| EIS➣Eyes in the Sky |
| EIS➣Engineering Information System |
| EIS➣Epidemiological Intelligence Service (US CDC) |
| EIS➣Électronique Informatique Services (French: Electronic Computer Services) |
| EIS➣Enterprise Integration Suite (software) |
| EIS➣Entretien Installation Service (French: Installation Maintenance Service) |
| EIS➣Essbase Integration Services (Hyperion) |
| EIS➣Extended Instruction Set |
| EIS➣Electronic Instrument System |
| EIS➣Enterprise Incentive Scheme (tax rebate scheme; UK) |
| EIS➣Environmental Impact Survey |
| EIS➣Eudora Internet Suite |
| EIS➣Entertainment Industry Studies (Belmont University; Nashville, TN) |
| EIS➣Electrolyte-Insulator-Semiconductor |
| EIS➣Expressive Intelligence Studio (University of California, Santa Cruz) |
| EIS➣Elster Integrated Solutions (Germany) |
| EIS➣Engineering Integrity Society |
| EIS➣Express Intérim Service (France) |
| EIS➣École d'Initiation Sportive (French: Initiation School Sports) |
| EIS➣Eritrean Islamic Salvation (Eritrea) |
| EIS➣Electronic Industrial Services (various locations) |
| EIS➣Enhanced Income Security |
| EIS➣Entreprise Internationale de Sécurité (French: International Corporate Security) |
| EIS➣Eisenhower Interstate System |
| EIS➣Environmental Impact System |
| EIS➣Elite Information Systems |
| EIS➣Electronic Information Security |
| EIS➣Equipment In Service |
| EIS➣Entreprise, Innovation, Société (French: Enterprise, Innovation and Society) |
| EIS➣Erinaceous Insurance Services (EU) |
| EIS➣Éditions de l'Immobilier Social (French: Publishing Real Estate Social) |
| EIS➣Expanded Inband Signaling |
| EIS➣End Item Specification |
| EIS➣External Interface Specification |
| EIS➣Electrically Isolated Silver (colloidal silver) |
| EIS➣Enrollment Information Service (ACT, Inc.) |
| EIS➣Enhanced Information System |
| EIS➣Expert Information System |
| EIS➣Effective Isotropic Sensitivity |
| EIS➣Equipment Imbalance Surcharge (shipping industry) |
| EIS➣Ecoforestry Institute Society (British Columbia, Canada) |
| EIS➣Enhanced Imagery System |
| EIS➣Enterprise Infrastructure Security Initiative (EPRI) |
| EIS➣Event Information System |
| EIS➣Enterprise Internet Services |
| EIS➣Effluent Inventory System |
| EIS➣Executive Interface System |
| EIS➣Electron Impact Spectroscopy |
| EIS➣Equipment Issue Scale |
| EIS➣Electromagnetic Intelligence System |
| EIS➣End Interruption Sequence |
| EIS➣Executive Interface Structure |
| EIS➣Escamilla Intermediate School (Texas) |
| EIS➣Economic Information Systems, Incorporated |
| EIS➣Enforcement Investigation System |
| EIS➣Estimating Information System |
| EIS➣Environmental Industry Council |
| EIS➣Erasure Insertion Scheme |
| EIS➣Electronics/Engineering Installation Squadron |
| EIS➣Employee Inquiry System |
| EIS➣Emirates Internet Services (Abu Dhabi, UAE) |
| EIS➣Élément Important pour la Sûreté (French: Important Element in Security) |
| EIS➣Employee Insight System (Questar) |