| Agawa Canyon |
Unknown |
| Alabama & Gulf Coast |
STC Sentry 2100, Unknown |
| Alabama Southern |
Unknown |
| Alameda Corridor (ATAX) |
STC Small Talk, Unknown |
| Alaska |
Harmon Model 46, Servo 9000, STC Sentry 2058, STC SmartScan NG, Unknown |
| Allegheny Valley |
MicroHBD CPU 3 |
| Amtrak |
Harmon Model 32, Harmon Model 75, MicroHBD CPU 3, MicroTalker CPU 3, STC SmartScan NG, Unknown |
| Appalachian & Ohio |
MicroHBD CPU 3, Unknown |
| ArcelorMittal |
CN DHP2000, STC SmartScan NG², Unknown |
| Arizona & California |
MicroHBD CPU 3, STC SmartScan NG², Unknown |
| Arizona Eastern |
Unknown |
| Arkansas & Missouri |
STC SmartScan NG, STC SmartScan NG², Unknown |
| Arnaud |
Unknown |
| Austin Western |
MicroTalker CPU 3 |
| BC Rail |
Harmon Model 32, MicroHBD CPU 3, Unknown |
| Berkshire & Eastern |
MicroHBD CPU 3, MicroTalker CPU 3, Unknown |
| Bessemer & Lake Erie |
Servo Servotalk (Digital), STC Sentry 2058 |
| Big Sky Rail |
CN DHP2000, Unknown |
| BNSF |
Harmon Cyberscan 2000, Harmon Model 32, Harmon Model 46, Harmon Model 75, MicroHBD CPU 3, MicroTalker CPU 1, MicroTalker CPU 3, STC Sentry 2100, STC Small Talk, Unknown, Voestalpine Zentrak HBD |
| Boston & Maine |
Harmon Model 46, MicroTalker CPU 1, STC Sentry 2058, Unknown |
| Buckingham Branch |
Unknown |
| Buffalo & Pittsburgh |
STC SmartScan NG², Unknown |
| Burlington Northern |
Devtronics UT-1, Harmon Cyberscan 2000, Harmon Model 46, Servo Servotalk (Analog), STC Sentry 2100, Unknown |
| California Northern |
STC Sentry 2058, STC SmartScan NG², Unknown |
| Caltrain |
Harmon Model 46, Zukinut ZEPIC-DE |
| Canadian Atlantic |
Servo 9000 |
| Canadian National |
CN DHP2000, Duostech Railcar Inspection Portal, Harmon Model 75, MicroHBD CPU 1, MicroHBD CPU 3, MicroTalker CPU 3, STC Sentry 2058, STC Sentry 2100, Unknown |
| Canadian Pacific |
Harmon Model 75, MicroHBD CPU 1, MicroHBD CPU 3, MicroTalker CPU 3, Servo 9000, Servo Servotalk (Analog), STC SmartScan NG, STC SmartScan NG², Unknown |
| Canadian Pacific Kansas City |
MicroHBD CPU 3, MicroTalker CPU 3, STC SmartScan NG², Unknown |
| Carlton Trail |
Unknown |
| Carolina Coastal |
Unknown |
| Cartier |
Unknown |
| CB&CNS |
Harmon Model 75, STC SmartScan NG, Unknown |
| Central Maine & Quebec |
STC SmartScan NG |
| Central Oregon & Pacific |
Harmon Model 46, MicroTalker CPU 1, STC Sentry 2058, STC SmartScan NG², Unknown |
| Chessie System |
Harmon Model 24, Servo 9909, Unknown |
| Chicago & North Western |
Harmon Model 32, Unknown |
| Chicago Central & Pacific |
Servo 9000 |
| Chicago Fort Wayne & Eastern |
MicroHBD CPU 3, STC Sentry 2058 |
| Chicago Missouri & Western |
Unknown |
| Columbus & Ohio River |
STC SmartScan NG |
| Conrail |
Devtronics SCAT, Harmon Cyberscan 2000, Harmon Mini Talker-2, MicroHBD CPU 3, MicroTalker CPU 1, MicroTalker CPU 3, Parker DED 1GG, Servo 9000, Servo Servotalk (Analog), Servo Servotalk (Digital), STC Small Talk, Unknown |
| Coos Bay Rail Line |
Unknown |
| CSX |
CSX Talker, Devtronics 68178, Devtronics 68278, Devtronics CMA02, Devtronics MA-1, Devtronics SCAT, Devtronics TSA3000, Devtronics UT-1, Duostech Railcar Inspection Portal, Harmon Cyberscan 2000, Harmon Model 24, Harmon Model 32, Harmon Model 75, MicroHBD CPU 1, MicroHBD CPU 3, MicroTalker CPU 1, MicroTalker CPU 3, Servo 9000, Servo 9909, Servo Servotalk (Digital), STC iCUBE, STC Sentry 2100, STC Small Talk, STC SmartScan NG, STC SmartScan NG², Unknown, Voestalpine Zentrak WILD, Wabtec RailBAM |
| Cumberland Mine |
MicroHBD CPU 3 |
| Dakota Minnesota & Eastern |
MicroHBD CPU 3 |
| Delaware & Hudson |
Harmon Cyberscan 2000, Harmon Model 32, Harmon Model 46, MicroHBD CPU 1, Unknown |
| Delmarva Central |
MicroHBD CPU 3, MicroTalker CPU 3, STC Small Talk, Unknown |
| Denver & Rio Grande Western |
Unknown |
| Duluth Missabe & Iron Range |
Servo 9000, Unknown |
| Duluth Winnipeg & Pacific |
Servo 9000 |
| Eastern Maine |
MicroHBD CPU 3 |
| Elgin Joliet & Eastern |
Harmon Model 75, STC Sentry 2058, STC SmartScan NG |
| Erie Lackawanna |
Unknown |
| Evansville Western |
MicroHBD CPU 3, Unknown |
| Florida East Coast |
Devtronics CMA02, MicroHBD CPU 3, MicroTalker CPU 3 |
| Florida Northern |
STC SmartScan NG, Unknown |
| Gateway Western |
STC Sentry 2058, Unknown |
| Georgia Southwestern |
STC Sentry 2058 |
| GO Transit (Metrolinx) |
MicroHBD CPU 3, Unknown |
| Goderich-Exeter |
Harmon Model 75, MicroHBD CPU 3 |
| Grand Elk |
STC SmartScan NG |
| Grand Rapids Eastern |
STC SmartScan NG² |
| Grand Trunk Western |
Devtronics MT-2, Harmon Model 75, Unknown |
| Great Sandhills |
MicroHBD CPU 3, STC SmartScan NG, Unknown |
| Grenada |
Unknown |
| Guilford |
MicroHBD CPU 3, STC Sentry 2058, STC SmartScan NG |
| Hudson Bay |
STC SmartScan NG² |
| Huron & Eastern |
STC SmartScan NG, STC SmartScan NG² |
| Huron Central |
STC SmartScan NG |
| I&M Rail Link |
Harmon Model 75 |
| Illinois & Midland |
MicroHBD CPU 3, Unknown |
| Illinois Central |
Devtronics CMA02, MicroHBD CPU 3, Unknown |
| Indiana & Ohio |
Harmon Cyberscan 2000, Harmon Model 75, MicroHBD CPU 3, STC Sentry 2100, STC SmartScan NG², Unknown |
| Indiana Railroad |
MicroHBD CPU 3, Unknown |
| Indiana Southern |
MicroHBD CPU 3 |
| Iowa Chicago & Eastern |
Harmon Model 75, MicroHBD CPU 3 |
| Iowa Interstate |
STC iCUBE, STC SmartScan NG, STC SmartScan NG², Unknown |
| Kanawha River |
STC Sentry 2058, STC SmartScan NG |
| Kansas & Oklahoma |
Unknown |
| Kansas City Southern |
Ensun Overlay System, MicroHBD CPU 3, MicroTalker CPU 3, STC Sentry 2058, Unknown |
| Kansas City Terminal |
Unknown |
| Kiamichi |
Unknown |
| Lake State |
MicroHBD CPU 3, STC SmartScan NG, STC SmartScan NG² |
| Lake Superior & Ishpeming |
MicroHBD CPU 3, STC SmartScan NG, Unknown |
| Louisiana Southern |
STC Sentry 2058, Unknown |
| Louisville & Indiana |
MicroHBD CPU 3, Unknown |
| Maine Northern |
MicroHBD CPU 3 |
| Marquette Rail |
MicroHBD CPU 3, Unknown |
| Mass Coastal |
STC SmartScan NG, STC SmartScan NG² |
| Matapedia & Gulf |
STC Sentry 2100, Unknown |
| MBTA |
MicroHBD CPU 3, MicroTalker CPU 3, STC Sentry 2058, Unknown, Wabtec RailBAM |
| Metro-North |
STC iCUBE, STC SmartScan NG |
| Metrolink (SCAX) |
Harmon Model 46, MicroHBD CPU 3, MicroTalker CPU 1, STC Sentry 2058, STC Sentry 2100, STC Small Talk, Unknown, Zukinut ZEPIC-DE |
| Missouri & Northern Arkansas |
MicroHBD CPU 3, STC Sentry 2058, Unknown |
| Missouri Pacific |
Harmon Model 32, Unknown |
| Missouri-Kansas-Texas |
Unknown |
| Monongahela |
Harmon Mini Talker-2, Servo 9000 |
| Montana Rail Link |
MicroHBD CPU 3, MicroTalker CPU 3, Unknown |
| Natchez |
STC SmartScan NG, Unknown |
| New Brunswick East Coast |
STC SmartScan NG, Unknown |
| New Brunswick Southern |
MicroHBD CPU 3, Servo 9000 |
| New England Central |
STC iCUBE, STC Sentry 2100, STC SmartScan NG² |
| New Jersey Transit |
STC SmartScan NG |
| New Mexico Rail Runner |
MicroHBD CPU 3 |
| Nittany & Bald Eagle |
MicroHBD CPU 3, STC Small Talk |
| Norfolk & Western |
Ensun Overlay System, Unknown |
| Norfolk Southern |
Devtronics CMA02, Devtronics SCAT, Duostech Railcar Inspection Portal, Ensun Overlay System, Harmon Cyberscan 2000, Harmon Mini Talker-2, Harmon Model 46, Harmon Model 75, MicroHBD CPU 1, MicroHBD CPU 3, MicroTalker CPU 1, MicroTalker CPU 3, Parker DED 1GG, Servo 9000, Spirit Solutions MidNight Ridir, STC Sentry 2058, STC Small Talk, STC SmartScan NG, STC SmartScan NG², Unknown, Wabtec RailBAM |
| North County Transit District (NCTC) |
MicroHBD CPU 3, STC Sentry 2100 |
| Northshore Mining |
STC Sentry 2058, STC Sentry 2100 |
| Northwestern Pacific |
Harmon Model 75, Unknown |
| NYS&W |
Harmon Model 46, STC iCUBE, STC SmartScan NG, Unknown |
| Oklahoma Kansas & Texas |
Unknown |
| Ontario Northland |
MicroHBD CPU 3, Servo 9000, Unknown |
| Ottawa Valley |
Servo 9000, Servo Servotalk (Analog), STC SmartScan NG, Unknown |
| Otter Tail Valley |
MicroHBD CPU 3 |
| Paducah & Louisville |
MicroHBD CPU 3, Unknown |
| Pan Am |
MicroHBD CPU 3, MicroTalker CPU 3, STC Sentry 2058, Unknown |
| Pittsburgh & Lake Erie |
Servo Servotalk (Digital) |
| Portland & Western |
Harmon Model 46, MicroHBD CPU 3, MicroTalker CPU 1, MicroTalker CPU 3, STC SmartScan NG, Unknown |
| Providence & Worcester |
Harmon Cyberscan 2000, MicroHBD CPU 3, MicroTalker CPU 1, MicroTalker CPU 3, Servo Servotalk (Digital), Unknown |
| Puget Sound & Pacific |
STC SmartScan NG² |
| Quebec Gatineau |
STC SmartScan NG, Unknown |
| Quebec North Shore & Labrador |
Unknown |
| R.J. Corman |
STC SmartScan NG, Unknown |
| Rapid City Pierre & Eastern |
MicroHBD CPU 3, Unknown |
| RBM&N |
Unknown, Zukinut ZEPIC-DE |
| RF&P |
Devtronics CMA02 |
| Roberval & Saguenay |
Unknown |
| Rochester & Southern |
STC SmartScan NG² |
| Saginaw Bay Southern |
Harmon Cyberscan 2000 |
| San Diego Northern Railway |
STC Sentry 2100, Unknown, Zukinut ZEPIC-DE |
| San Luis & Rio Grande |
STC Small Talk, Unknown |
| Santa Fe |
Harmon Cyberscan 2000, Harmon Model 32, Harmon Model 46, Servo 9000, Unknown |
| Seaboard Coast Line |
Devtronics 68178, Unknown |
| Seaboard System |
Devtronics 68178, Devtronics UT-1 |
| So. Cal. Railway Museum |
MicroHBD CPU 3 |
| Soo Line |
Harmon Model 75 |
| South Shore Line (NICTD) |
STC SmartScan NG, STC SmartScan NG² |
| Southern |
STC Sentry 2058 |
| Southern Ontario |
MicroHBD CPU 3 |
| Southern Pacific |
Harmon Model 32, Harmon Model 46, Harmon Model 75, Servo 9000, STC Sentry 2058 |
| Southwestern |
STC Sentry 2058, Unknown |
| St. Laurent & Atlantique |
STC SmartScan NG, STC SmartScan NG² |
| St. Lawrence & Atlantic |
STC SmartScan NG |
| St. Lawrence & Hudson |
Harmon Mini Talker-2 |
| Stewart Southern |
STC SmartScan NG |
| Stillwater Central |
STC SmartScan NG, Unknown |
| SunRail (CFRC) |
MicroHBD CPU 3 |
| Toledo Peoria & Western |
STC Sentry 2058, Unknown |
| Tri-Rail (SFRTA) |
MicroHBD CPU 3, STC Sentry 2100 |
| Trinity Railway Express |
MicroHBD CPU 3, MicroTalker CPU 3, Unknown |
| Tshiuetin Rail Transportation |
Unknown |
| Union Pacific |
Ensun Overlay System, Harmon Cyberscan 2000, Harmon Model 32, Harmon Model 46, Harmon Model 75, MicroHBD CPU 3, MicroTalker CPU 1, MicroTalker CPU 3, Servo 9000, STC iCUBE, STC Sentry 2058, STC SmartScan IS, STC SmartScan NG², STC Wayside Inspection System, Unknown, Voestalpine Phoenix MB |
| Vermont Rail System |
STC iCUBE |
| VIA Rail |
MicroHBD CPU 3 |
| Wheeling & Lake Erie |
Harmon Model 46, MicroTalker CPU 1, MicroTalker CPU 3, STC iCUBE, STC SmartScan NG, STC SmartScan NG², Unknown |
| Winston-Salem Southbound |
MicroHBD CPU 3 |
| Wisconsin Central |
STC Sentry 2058 |
| WNY&P |
STC SmartScan NG |