Hotline User List
| User | Location | Interface | Service |
| Allied Chemical | Baton Rouge, LA | Modicon Programmable Controller | Monitor movement of plastic pellets |
| Burr-Brown | France | Burr-Brown Analog/Digital Multiplexer | Unknown |
| Oxy/Cities Service | Hackberry, Louisiana | Square 'D' Programmable Controller | Monitor underground storage of liquefied petroleum gas |
| 3M | Decatur, Alabama | Modicon Programmable Controller | Unknown |
| Instrument Control Service | Pensacola, Florida | Burr-Brown Analog/Digital Multiplexer | Monitor temperatures in a plastics plant |
| Southwest Regional Airport | Fort Myers, Florida | Burr-Brown Analog/Digital Multiplexer | Monitor temperatures, flows, and pressures of the airport air conditioning system. |
| Analog Devices | Taft, Louisiana | Analog Devices Analog/Digital Multiplexer | Monitor temperatures and voltages |
| Dupont | Niagara Falls, New York | Burr-Brown Analog/Digital Multiplexer | Monitor power distribution throughout complex |
| Kota | India | Burr-Brown Analog/Digital Multiplexer | Unknown |
| Oxy/Cities Service | Hackberry, Louisiana | Square 'D' Programmable Controller | Monitor ship unloading of liquefied petroleum gas |