| Owner Agency | Stations | Recorders* | |
|---|---|---|---|
| ACOE | Army Corps of Engineers | 74 | 184 |
| Altarock | Altarock Energy | 01 | 01 |
| ARH | Alaska Regional Hospital | 01 | 03 |
| BYU | Brigham Young University | 01 | 01 |
| CCSF | City-County San Francisco | 01 | 02 |
| CDWR | California Department of Water Resources | 03 | 06 |
| Calpine | Calpine Corporation | 02 | 02 |
| GSA | U.S. General Services Administration | 09 | 23 |
| ICL | California, Imperial County Landfill | 01 | 01 |
| JPL | NASA, Jet Propulsion Laboratory | 08 | 09 |
| MWD | Metropolitan Water District of Southern California | 23 | 54 |
| NEU | Northeastern University | 01 | 01 |
| ODOT | Oregon Department of Transportation | 10 | 12 |
| SCL | Seattle City Light | 01 | 04 |
| SLCC | Salt Lake City Cooperation | 01 | 03 |
| UAGI | University of Alaska Geophysical Institute | 22 | 22 |
| UCSB | University of California Santa Barbara | 01 | 01 |
| UDOT | Utah Department of Transportation | 01 | 02 |
| UPRM | University of Puerto Rico, Mayaguez | 100 | 108 |
| USGS | U.S. Geological Survey | 449 | 491 |
| VA | U.S. Department of Veterans Affairs | 84 | 91 |
| WDNR | Washington Department of Natural Resources | 01 | 01 |
| TOTALS | 792** | 1018 | |
* Does not include devices that do not record time series
** Three stations have multiple recorders from two agencies (actual station number is 789)