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