| AGIS | Apex Global Information Services, Inc. |
| AF Academy | Air Force Academy |
| AMES | Ames Laboratory, IA |
| AMES | Moffet Field, VA |
| ANL | Argonne National Laboratory, IL |
| ARC | Ames Research Center in Moffett Field, CA |
| ARL-ARP | Address Resolution Layer - Address Resolution Protocol |
| ASN-DNA-SCN | Defense Nuclear Agency |
| ASU | Arizona State University, AZ |
| BBN | Bolt, Beranek and Newman, in Cambridge, MA |
| BBSO | Big Bear Solar Observatory, CA |
| BNL | Brookhaven National Laboratory, NY |
| BNSFBA | Brainstorm Networks, San Francisco Bay Area |
| Bell | Bell Laboratories in Middletown, NJ |
| CEWES | Corps of Engineers Waterways Experiment Station |
| CIT | California Institute of Technology, CA |
| CMU | Carnegie Mellon Collage near Pittsburgh, PA |
| CTC | Cornell Theory Center, NY |
| CTIO Chile | Cerro Tololo Inter-american Observatory, Chile |
| DARPA | Defense Advanced Research Project Agency, Arlington, VA |
| DC | Washington DC |
| DFRF | Dryden Flight Research Center, CA |
| DNG | Downers Grove, IL |
| DNJ | Denver Junction |
| ESA | European Space Agency |
| FNAL | Fermi National Accelerator Laboratory, IL |
| FSU | Florida State University, FL |
| GA | General Atomics, CA |
| GIFF | Goddard Institute for Space Studies, NY |
| GRM | Grumann Aerospace, NJ |
| GSFC | Goddard Space Flight Center, DC |
| HAY | Hayward, CA |
| HSJ | Hoston Junction |
| INDEL | Idaho National Engineering Lab, ID |
| ISI-E | Information Sciences Institute - East |
| ISI-W | Information Sciences Institute - West |
| ISTS | Institute for Space and Terrestrial Science |
| ITER | International Thermonuclear Experimental Reactor, CA |
| JIS | Joint Inertconnection Service |
| JLAB | Jefferson Lab, VA |
| JPL | Jet Propulsion Lab in Pasadena, CA |
| JRL | Barstow, CA |
| JSC | Johnson Space Center in Houston, TX |
| KSC | Kennedy Space Center, FL |
| LA | Los Angales, CA |
| LANL | Los Alamos National Laboratory, NM |
| LBL | Lawrence Berkeley Laboratory |
| LBNL | Lawrence Berkeley National Laboratory, CA |
| LPI | Lunar and Planetary Institute, TX |
| LaRC | Langley RES. CTR. in Hampton, VA |
| LeRC | Lewis RES. CTR. in Cleveland, OH |
| MSFC | Marshall Space Flight Center in Birmingham, AL |
| Nacamar | Nacamar Global AS, Nacamar Data Communications, Germany |
| NASA | National Aeronautics and Space Administration |
| NAWC-WPN | Naval Air Warfare Center |
| NCAR | National Center for Atmospheric Research , CO |
| NCCOSC | Naval Command, Control, and Oceanographic Surveillance Center |
| NCSA | Nat. Ctr. SupCom. App. , Ill |
| NEVIS | Nevis Laboratory, NY |
| NFESC | Naval Facilities Engineering Service Center |
| NIST | National Institute of Standards and Technology, CO |
| NMHU | New Mexico Highlands University, NM |
| NOAA | National Oceanic and Atmospheric Agency, VA |
| NOR | North Royalton |
| NORDA | Naval Ocean Research and Development Activity |
| NRC | National Research Council, Canada |
| NRG School | Naval Postgraduate School |
| NRL-DC | Navel Research Laboraory, Washington DC |
| NRL-SSC | Navel Research Laboraory, Stennis Space Center, MS |
| NRL-V6 | Navel research lab version six - Washington, DC |
| NSBF | National Scientific Ballon Facility, TX |
| NSO | National Solar Observatory, NM |
| NTF | National Transonic Facility, Hampton, VA |
| NYU | New York University, NY |
| OER | Office of Energy Research, DC |
| OR | Oregon State, OR |
| ORAU | Oak Ridge Associated Universities, TN |
| ORNL | Oak Ridge National Laboratory, TN |
| ORO | Oak Ridge Observatory |
| OSTI | Office of Science and Technology Information, TN |
| OVRO | Owens Valley Radio Observatory, CA |
| PNNL | Pacific Northwest National Laboratory, WA |
| POP | Point Of Presence |
| PPPL | Princeton Plasma Physics Laboratory, NJ |
| PSC | Pittsburg SC, PA |
| PYM | Perryman, MD |
| Penn S | Pennsylvania State, PA |
| SAO | Smithsonian Astrophysical Observatory, MA |
| SLAC | Stanford Linear Accelerator Center, CA |
| SNLA | Sandia National Laboratories, NM |
| SNLL | Sandia National Laboratories, CA |
| SRI | SRI Internation in Menlo Park, CA |
| SRS | Savannah River Site, SC |
| SWRI | SouthWest Research Institute, TX |
| TIOC | Technology Integration and Operations Center, in Overland Park, Kansas |
| TIS | Trusted Information Systems, DC |
| TWC | TeleWork Center, CA |
| UA | University of Alaska, AK |
| UA | University of Arizona, Tucson, AZ |
| UAH, AL | University of Al/Huntsville |
| UDEL | Wilmington, DE |
| UH | University of Hawaii, HI |
| UK | University of Kansas, Lawrence, KS |
| UM | University of Minneapolis, MN |
| UM | University of Montana, MT |
| UO | University of Oregon, OR |
| USGS | U.S. Geological SurveyAZ |
| USNO | U.S. Naval Obervatory |
| USRA | University Space Research Association, AL |
| UTA | University of Texas at Austin, TX |
| UTSI | University of Tennesse Space Institute, TN |
| WHOI | Woods Hole Oceanographic Institution, MA |
| WNA | WoldNet Access |
| WPAFB | Wright-Patterson Air Force Base |
| WRAIR | Walter Reed Army Institute of Research, Wash., DC |
| Wallops FF | Wallops Flight Facility, VA |
| YALE | Yale University, CT |