| MOL | Manned Orbiting Laboratory |
| LEO | Low Earth Orbit/Orbiting |
| GOES | Geostationary Orbiting Environmental Satellites |
| DOVE | Digital Orbiting Voice Encoder |
| PMC | Permanently Manned Capability |
| OSCAR | Orbiting Satellite Carrying Amateur Radio |
| MMU | Manned Maneuvering Unit [Weltraum] |
| MOS | Manned Orbital Station [engl.] Bemannte Weltraumstation |
| MOMV | Manned Orbital Maneuvering Vehicle [Weltraum] |
| motv | Manned Orbital Transfer Vehicle [Weltraum] |
| SAIL | Stanford AI Laboratory |
| UL | Underwriters' Laboratory, Inc. |
| JPL | Jet Propulsion Laboratory Pasadena, USA |
| U/L | Underwriters Laboratory |
| WRL | Western Research Laboratory |
| LINC | Laboratory Instrument Computer |
| UCL | Underwater Sound Laboratory |
| SEL | Software Engineering Laboratory |
| MSL | Motor Simulation Laboratory |
| NPL | National Physical Laboratory Teddington, http://www.npl.co.uk |
| RLE | Research Laboratory of Electronics |
| RAL | Rutherford Appleton Laboratory |
| LDP | Laboratory Data Products |
| LCS | Laboratory for Computer Science [MIT] |
| ORNL | Oak Ridge National Laboratory |
| LABNET | Laboratory Broadband Network |
| LANL | Los Alamos National Laboratory |
| ANL | Argonne National Laboratory |
| BRL | Ballistic Research Laboratory [engl.] Amerikanisches Forschungsstelle der Army in Maryland |
| NRTL | Nationally Recognized Testing Laboratory |
| NSSL | National Severe Storms Laboratory |
| EVL | Electronic Visualization Laboratory, Chicago |
| EML | European Media Laboratory Gesellschaft mbH Heidelberg, http://www.eml-development.de |
| CGL | Cristal Growth Laboratory [engl.] Kristallabor Erlangen der Uni Nürnberg-Erlangen sowie des IISB |
| ASL | Architectural Space Laboratory [engl.] Zürich |
| AFRL | Air Force Research Laboratory [engl.] |
| AFWL | Air Force Weapons Laboratory [engl.] |
| J. Hattori Bot. Lab. | Journal of the Hattori Botanical Laboratory Zeitschrift |
| JILA | Joint Institute for Laboratory Astrophysics |
| LIFE | Laboratory of International Fuzzy Engineering |
| ILAC | International Laboratory Accreditation Conference |
| LDIP | Laboratory Data Integrity Program |
| NCSL | National Computer System Laboratory |
| NCTL | National Computer and Telecommunications Laboratory |
| LLNL | Lawrence Livermore National Laboratory Livermore, CA, USA, http://www.llnl.gov |
| WELAC | Western European Laboratory Accreditation Conference |
| LIFE | Laboratory for International Fuzzy Engineering research |
| ATLAS | Atmospherics Laboratory for Applications and Science [engl.] Wissenschaftliches Programm für die Atmosphärenforschung |
| LIMS | Laboratory/Library Information Management System |
| NLANR | National Laboratory for Applied Networking Research |