Railroad Signals, Safety & Communications
 Pexco, Davidson Traffic Control - Manufactures reflective Clearance Markers to prevent “fouling the track” and Sign Post Reflectors for marking Crossbucks at highway-rail grade crossings. The FG 300 Curb System is used as a supplemental safety measure to qualify Quiet Zones with whistle bans. |
- ABB - Power equipment, power supply systems, and railroad signaling and communication systems
- Airchime Manufacturing - Manufactures complete audible signal systems for railway applications including 350 different models of steam whistles, electric horns, and air horns; Surrey, British Columbia, Canada
- Akerströms - Swedish producer of radio systems for the remote control of locomotives
- Aktieselskabet BG Service Center - Danish manufacturer of locomotive wiper systems as well as front- and taillight signal systems
- Alstom Transport - Designs, produces, and installs railroad infrastructure including train control systems, signaling, electrification, track, station utilities, communication systems, and passenger information systems for transit and mainline passenger rail applications worldwide
- Amplicon - UK supplier of railroad electronics including trackside communications, power distribution, station information, and surveillance
- Anixter - Worldwide distributor of wire and cable, including signal wire, track wire, and case wire
- Ansaldo STS - Full-line and global supplier of rail and mass transit signalling, control, and automation systems
- Arinc - Information management solutions to improve the efficiency, safety, and security of rail operations worldwide
- ARMS Inc. - Provides power and LED products for rail and transit applications
- Automatic Equipment Identification (AEI) - Passive (non-battery) AEI RF tags for identifying all types of transportation vehicles (rail cars, trucks, trailers, containers, automobiles, etc.)
- AV Rail Contracting - Specializes in high rail crane service and railroad signal system installation; Vernon, British Columbia, Canada
- Avcomm International - Manufacturer of state of the art wireless noise reduction headsets, intercoms, and radios with Bluetooth technology and patented PNR technology
- AŽD Praha - Czech supplier of signaling, telecommunications, and automation solutions for rail and transit applications
- B&C Transit Consultants - Transit and railroad signal design with relay/microprocessor systems, CTC office software, case and rack wiring, field testing services, and more
- Bach-Simpson Instrumentation and Control Equipment - Railroad electronics
- Behlman - Power products for the rail industry
- Belgian Signaling Page - Diagrams, photos, and information about railway signal systems
- Bender - Ground fault monitoring and locating equipment
- Bob's Signal Box Pictures - UK signal box photos by Bob Dennis
- British Railway Signalling - Photos and information about British railway signals
- Cactus UniView - Swedish producer of rail traffic management systems
- Cadizm Signaling Design - CAD signaling design specialists, scheme plan design, detailed design, and animated signal simulations
- Carmanah Railway Lights - Solar powered LED railway safety and hazard marker lighting
- Carré Web - French railway signal information and photos
- Cattron - Portable radio remote controls for locomotives and rail operations
- CDSRail - British producer of a remote monitoring system for switches, power levels, track circuits, grade crossings, track condition, and railway signaling systems
- Central Electronics (CEL) - Indian manufacturer of railway signaling and safety equipment
- Centregreat Rail - Provides safety-critical telecom, engineering, electrical, building, and training services to the UK rail industry
- Century Group - Railroad grade crossing systems and spill collection systems
- Chilean Railway Signal Systems - Diagrams and descriptions of railway signals in Chile
- Chinese Railway Signals - Diagrams illustrating railway signal aspects in China
- Comet Industries - Provides the Railert Automatic Tag Reader System which bridges the gap between a hand-held data recorder and the traditional full featured AEI system
- Condor Signal & Communications - Engineering services for railway signaling applications; Oakville, Ontario, Canada
- Control Chief - Transportable locomotive remote controls for the rail industry; Bradford, Pennsylvania
- Convergent Communications, Inc - Communications design, engineering, and support services with an emphasis on interfacing legacy train control products to modern packet data transport technologies
- Crossing Safely Programs - Provides rail crossing safety presentations to schools, companies, organizations, and law enforcement agencies
- D.A.S. Rail Enterprises - Produces a reflective switch indicator that mounts between switch points below rail height, providing high visibility day and night without electricity or solar panels
- Daiken - Brazilian producer of onboard computers, end of train devices, cabin display units, and weighing scales
- Dan's Wigwag Site - History, photos, and locations of surviving wigwag flagman grade crossing signals throughout the US
- Danish Signaling - Details about Danish railway signals
- David Clark Company Inc - Manufacturer of noise attenuating headsets, crew intercom systems, and two-way radio solutions for locomotive and MOW crewmembers
- Derby Area Signalling Project - Details the history of the mechanical signalling which once existed on the railways around Derby and Burton on Trent, UK
- Dialight - Provides LED solutions for wayside signals, grade crossings, and railcars; Farmingdale, New Jersey
- Dimetronic Signals - Spanish company specializing in railway signaling applications
- DPD Productions - Makers of the TrainTenna, an antenna specifically designed for monitoring railroad communications
- DPS Electronics - Designs and manufactures electronics for the railway industry, specializing in end-of-train and head-of-train communication
- DRS Armor - Provider of rugged mobile computers for transport and military applications; Melbourne, Florida
- Efftronics Systems - Indian manufacturer of railway signaling systems including LED signal lamps, track data loggers, health monitoring units, and passenger information systems
- EMC Services - British provider of electromagnetic compatibility (EMC) consulting, testing, and training services specifically designed for the rail industry
- Energy Absorption Systems - Manufactures crash cushion impact barriers for highway railroad intersections
- EPESEM-Stoebner - Railway signaling, control desks, design department for specific development, high speed vehicle for recording of railway site structures by laser, and installations all over the world
- Exide - Provides batteries for rail signal, crossing, and communication equipment
- Fabricated Metals LLC - Manufacturers instrument cases and houses, walkout cantilevers, wayside ladder assemblies, steel foundations, signal bridges, searchlight signal components, rod and switch parts, push button and switch key boxes, signal and wayside masts, junction boxes, gate assemblies, and flashing light signals; Louisville, Kentucky
- G&B Specailties - Designs and manufactures a range of railroad signal and track products including signal components, switch machine layouts, electric locks, switch point rollers, manual switch stands, and more; Berwick, Pennsylvania
- GE Lighting Solutions - LED signals for rail and transit applications, including light-out detection
- GE Transportation - On-board and wayside signaling systems and communications solutions for global freight rail and transit industries
- General Signals - Grade crossing signal equipment; Evansville, Indiana
- Genesis Technologies - Designs, manufactures, remanufactures, and repairs railroad signal and traffic signal electronic equipment
- German Railway Signals - Complete overview of all German railway signals and signs as well as information on usage and operations
- Global Rail Systems - Provides switch control systems, crossing warning systems, dragging equipment detectors, track circuits, yard control systems, and more; Marlin, Texas
- Groves Systems Ltd - UK-based railway signalling and systems consultancy
- Hanning & Kahl - German provider of brake systems and signaling installations
- HaslerRail - Swiss provider of electromechanical and electronic data acquisition and recording systems
- Hitachi Rail - Worldwide developer of high speed rail and transit vehicles, rolling stock components, signaling systems, and monorail systems
- Hitronetic - On-board video surveillance for public transports with real time image transmission; France
- HoldFast Level Crossings - UK manufacturer of grade crossing and right-of-way protection systems
- Hovey Industries Ltd - Trackside equipment including equipment to prevent rail switches from freezing
- Huber-Suhner - Global supplier of components and systems for electrical and optical connectivity in the transportation industry
- Hutt Valley Signals - Timetables, signaling, safeworking, track layouts, railway operations, history, and excursions in the Hutt Valley, a suburb of Wellington, New Zealand
- Icom America - Produces digital radio systems for transportation and industrial applications
- Images of 75th Street Tower, Chicago, Illinois - Photo tour of signal hardware in CSX's Seventy Fifth Street Tower in Chicago which closed in 1997
- Institution of Railway Signal Engineers (IRSE) - UK-based professional institution for signal engineers worldwide
- Intecs - Italian developer of safety-system software for railway signaling applications
- International Electronic Machines Corp. - Designs and builds custom rail maintenance, safety, and security products including wheel gauges, wayside monitoring systems, and security systems for shop, yard, and mainline rail applications
- Invensys Rail Group - Produces rail control and automation systems for the rail industry worldwide
- ISIS Consultants, LLC - Registered professional engineers and technologists offering innovative solutions in signaling for freight, transit, and international railroad designs; complete service menu includes estimating, design, installation and cut-in support, training, technical writing, and more; Louisville, Kentucky
- Italian Railway Signals - Technical and operational information about Italian railway signals
- J&A Industries - Railroad signal systems manufacturer and supplier; Kansas City, Kansas
- Jarvis Rail - Provides rail renewals, major track development, and electrical and signalling services across the UK
- Julian A. Mcdermott Corp - Supplies LED railroad lights, blue lights, marker lights, solar lights, and signs; Ridgewood, New York
- Larry McGee Company, The - Voice communication and control systems
- Lat-Lon LLC - Manufactures RailRider, a wireless monitoring and tracking system for railcars, locomotives, and field equipment; Sheridan, Colorado
- LaVanture Products - Distributor of 3M Diamond Grade rail car markings that meet and exceed FRA-224 specifications; Elkhart, Indiana
- Lindsay Transportation Solutions - Supplier of railroad and transit structures, signals, and crossing flashers
- Locomotive Horn Signals - Guide to train whistle signals used on North American railroads
- London Underground Signaling - Diagrams, photos, and information about signals in London's subways
- Magnate Grey Box Ltd - Designs, manufactures, installs, and tests railway signal control housings
- Mermec Group - Italian provider of diagnostic systems for the maintenance of railway infrastructure and signal systems for rail traffic control
- Mersen - Provider of power and railroad signal transmission solutions worldwide
- Mike's Railroad Crossing Website - Over 45,000 railroad signal photos from throughout the US, Canada, Australia, and the UK
- Modular - Provides the SmarTrain real-time rail management system that helps plan, supervise, and dispatch train movements using GPS, wireless communications, and information management; Tucson, Arizona
- Nathan Manufacturing - Exclusive licensee for manufacturing and sales of the Airchime Model K railroad whistle in the North American rail market
- National Railway Supply - Batteries and battery chargers for diesel locomotives and rail signals
- National Signal Corp. - Railroad signal construction, maintenance, and design; Shelby Twp, Michigan
- Nazeing Glass Works Ltd - Supplier of rail signal lenses; Broxbourne, UK
- Nexans - Provides power, signaling, and telecommunications cables for rail infrastructure
- NORAC Signal Rules and Aspect Demonstrator - Interactive online tool for understanding signal rules and indicators
- North American Railroad Interlocking Towers and Cabins - Listings of active and closed towers by state
- North American Signal - Full service engineering and manufacturing company specializing in wireless Supervisory Control and Data Analysis System (SCADA) applications; Jacksonville, Florida
- North American Signaling - Extensive information and diagrams about signal and safety principles, track occupancy control systems, automatic block systems, and signal aspects and indications
- ObjectTel - Provides a railroad dispatch solution for radios, telephones, contact centers, enterprise applications, and other mission critical applications
- Okonite - Manufacturer of signal, control, and power cables for railroad and rapid transit applications
- Pacific Railway Enterprises, Inc - Specializing in railroad signal design and consulting
- Pexco, Davidson Traffic Control - Manufactures and distributes the FG 300 Curb System, a median barrier system that provides an affordable means of increased grade crossing safety, especially effective in reducing gate violations
- Phase2 Concepts Inc - Offers electronic code follower relays and code transmitters for cab code signal applications, plus free R&D services to develop an electronic relay for specific signalling requirements
- PHW, Inc - Manufactures cab signals and operator display electronics for railroad and transit systems; East Pittsburgh, Pennsylvania
- PNCS Private Limited - Signalling and telecommunications consulting; India
- Precision Quincy Corp - Bungalows, cases, cabinets, huts, houses, and shelters of every size and configuration
- Primus Electronics - Communication equipment for all types of railroad telecommunication needs
- ProTran1 - Manufacturer of safety products for the electrified train industry
- Qwick Kurb, Inc - Manufactures, distributes, and installs a median separator system that provides an affordable means of increase grade crossing safety, especially effective in deterring drivers from "sneaking" around the gates
- Rail Development Group - Engineering services for railroad signaling, including analysis and design of safety-critical railroad and transit control systems and equipment
- Rail Safety Consulting, LLC - Assists railroads, transit agencies, suppliers, and government agencies with critical safety issues in train control and PTC systems
- Rail Systems Solutions (RSS) - Provides signal design (conceptual through final), program management and controls, systems integration, construction, commissioning, training, and maintenance for the transit and freight industry; Littleton, Colorado
- Railcom - Provides two-way radio and wireless communications solutions to the railroad industry
- RailComm, Inc. - Management and engineering team comprised of veteran rail industry professionals, providing services in wireless network communications, railroad signaling, computer aided dispatching, embedded global positioning satellite applications, and collision avoidance technology
- Railhead Corp. - Safety lighting and digital video solutions for the rail industry
- Railhead Corporation - Video solutions, air tools, warning lights, and related equipment for the transportation industry; Chicago, Illinois
- Railroad Controls Limited - Design, construction, testing, and maintenance of railroad grade crossings, warning systems, and wayside signal systems; Benbrook, Texas
- Railroad Signal Design - Designs train traffic control points, crossing warning device controls, and wayside signal systems
- Railroad Signal International - Supplies and installs railroad signal systems worldwide; Tulsa, Oklahoma
- Railroad Signal Site - Detailed photos and descriptions of searchlight, colorlight, wig wag, and gyralight railroad signals
- Railroad Signaling and Communications - Photos and information about a variety of railroad signals and communications equipment
- Railroad Signals of the U.S. - Photo reference of railroad and transit signals and related equipment
- Railroad Signals.net - Photos and information about a collection of railroad signals, signs, and lanterns
- Railroad Stuff - Sells and restores all types of railroad signals and accessories, including antique wig-wags, semaphores, and train order boards
- Rails Company - Designs and manufactures railway maintenance of way products and signal equipment, including switch heaters, compression rail anchors, wheel stops, switch point locks, track skates, and more; Maplewood, New Jersey
- Railway 101 - Railway emergency response planning and training services for firefighters, police, EMS, and private corporations; Oakville, Ontario, Canada
- Railway History, Signaling & Engineering - Information about historical and mechanical signalling, signal aspects, operations and safety, and unique practices in France, Belgium, Germany, Austria, Britain, and the US
- Railway Signals in Austria - Diagrams and descriptions of railway signal and safety systems
- Railway Signs and Signals of Great Britain - Information about the signs and signals that appear along mainline railways in the UK
- Railway Technical Web Pages - Presents a wide range of illustrated technical articles about rail systems, including design, electric traction, fare collection, intermodal, operations, signals, track, and more
- Rebel Railway Supply - Manufactures signal parts for signal suppliers and transit line operators, including wayside signals, grade crossings, and track and circuit hardware; Nixa, Missouri
- RECO Railway Equipment Co. - Manufactures gas hot air blowers, crossing gate arms, and battery chargers designed for the exclusive use of railroads and transits
- RELM - Designs, manufactures, and markets wireless communication equipment including railroad radios
- Retlif Testing Laboratories - Tests track circuits, signaling, and on-board electronics to ensure EMC and environmental compliance
- RRSignal.com - Information and photos of signals, CTC equipment, relays, and more
- S & C Distribution Company - Serves the signal and communication needs of railroads and rail transit systems
- Safetran - Railroad crossing equipment, wayside signals and controls, and transit systems
- Science Applications International Corp - RFID Automatic Vehicle Identification (AVI) systems (also referred to as Automatic Equipment Identification - AEI) to Class I railroads in the US, Canada, Mexico, and Australia; Mobile Digital Video and Audio Recording systems for rail and transit; Digital Video enforcement systems with OCR for toll, red light, and highway-rail grade crossing enforcement
- Semaphores.com - Extensive list of living and museum semaphores, photos, semaphore history, and more
- Serrmi Products, Inc - Manufacturer of signal and communication equipment
- Siemens - Supplier of complete rail automation and electrification solutions for transit and intercity applications
- Signal and Electrical Engineers' Technical Society - Offers information, lectures, and visits based around railway signaling and mass transit systems in the UK
- Signal Box, The - Extensive information and history about British railway signalling
- Signaling Pages - Explains signal systems in use around the world ranging from old semaphore signals still used in the UK and elsewhere to modern electronic high capacity systems used by metros
- Signalling Centre Software - Specialists in authentic railway simulations for the PC, producing signalling simulations based on UK locations; free trials available for download
- Signalling Interest Group of Western Australia (S.I.G.W.A.) - History and photos of signalling and signal boxes in Western Australia
- SignalSoft Rail Consultancy Ltd. - Provides railway consultancy for operational and interoperability issues as well as simulators, CBT, signal box/ dispatcher simulations, and software solutions for yard planning
- Signature Limited - UK's largest and oldest manufacturer of LRT signs and signals
- SimSig - Free realistic British signalling simulation with nine locations available
- Solar Signals - Designs and manufactures autonomous power systems (primarily solar electric/battery) that are integrated with signal systems currently in use in the rail industry
- South Bay Signal, LLC - Railway signal design services for ABS, interlockings, and grade crossing warning systems
- Southwest Signal Engineering - Signal engineering services including project management, design, construction, and more; Jacksonville, Florida
- Stahlin - Manufactures non-metallic enclosures for signals and communications; Belding, Michigan
- Star Headlight & Lantern Co. - Produces trainman's lanterns, car inspector's lights, personal safety strobes, and marker lights
- Stellwerke - German signalboxes and railway signalling
- Strix Systems - Provides wireless mesh networks to improve rail safety, security, and operations
- STS Signals - Designs, manufactures, and repairs a wide range of electronic and electro-mechanical products for railway applications in the UK and worldwide
- Summit Signal - Railroad signaling and track construction; Willits, California
- TCB Group - Marketing, advertising, sales, and consulting for Automatic Equipment Identification (AEI) and Wireless and Radio Frequency (RFID) manufacturers; Pittsburgh, Pennsylvania
- Tech Products - Offers railroad signs, labels, markers, and decals; Staten Island, New York
- Technical Society for Rail Operations Safety & Signaling - Focus on safety and signaling includes listing of railway names, wreck/incident info, and historic info on signaling and grade crossings
- Techniserv AG - Designs and manufactures custom railroad control systems and test equipment; Saint-Hubert, Quebec, Canada
- Telefunken TRainCom - Broadband radio communication systems for rail applications including mass transit, high speed trains, and maglev
- Telemotive Industrial Controls - Manufacturer of wireless remote controls and anti-collision systems for use on overhead cranes, hoist/monorail systems, conveyors, locomotives, and other material handling applications
- TGV Signaling System - Information about signals on French's high speed railway
- The Home Signal - Tribute to mechanical railway signalling in South Africa and the rest of sub-Saharan Africa
- The Rails - Information about North American railroad signaling, specifically AT&SF's semaphore signals on the original Pacific Coast Route
- Tiefenbach USA - Signal systems and products using axle counting technology, including systems for grade crossing protection, switch zone protection, track-vacancy detection, point switch control, and yard control applications
- Tillyweb - Personal site featuring UK signal boxes and other rail related subjects
- Timesegment Limited - Supplier of mechanical railway signaling equipment to the UK market
- TPSC Inc. - Represents manufacturers of components and systems for signal, mechanical, and telecom applications in the rail industry
- Trainyard Tech - Provider of automation technology for hump yards, classification yards, and marshalling yards; Gibsonia, Pennsylvania
- Twin City Signal - Specializing in signal design integration and bungalow wiring; Hudson, Wisconsin
- Twinco Mfg. Co. - Manufacturer of rail and transit products including automatic train stops, subway car components, fuse testers, light assemblies, and identification products such as wire markers, flat tags, disc tags, pipe markers, and engraving; Hauppauge, New York
- U.S. Barricades - Manufacturer of railroad signs, safety flasher lights, solar powered traffic signs, and transit safety equipment
- Ultra-Tech Enterprises (UTE) - Automated relay test system and cab signal test system
- Union Switch & Signal - Full line supplier of signaling systems and equipment for North American and international railroad and mass transit agencies
- Universal Safety Response - Produces ground retractable automobile barriers (GRABs) for grade crossing safety
- Vecom USA - Manufacturer and distributor of wayside control equipment, emergency intercoms, LED/LCD signs, train horns with digital sound generator, passenger counting systems, and CCTV surveillance systems
- Velcorp Gems - Manufacturer of LED lights, signal equipment, and enclosures; Jacksonville, Florida
- VICSIG - Line guides, signalling information, rosters, photos, and more about current operations of railways in Victoria, Australia
- Western Towers - Offers railroad communications towers including positive train control (PTC) towers; San Angelo, Texas
- Western-Cullen-Hayes - Railroad products, track maintenance, and safety accessories; Chicago, Illinois
- Westinghouse Rail Systems Australia - Designs, manufactures, supplies, installs, commissions, and maintains a broad range of railway signaling equipment
- Westinghouse Rail Systems India - Designs, manufactures, installs, and maintains rail signal products
- Westinghouse Rail Systems UK - Advanced technology signaling and train control systems
- Wi-Tronix - Provides end-to-end solutions for wireless locomotive monitoring; Bolingbrook, Illinois
- Xorail - Design and construction of wayside train control systems and highway grade crossing warning systems; Jacksonville, Florida
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