PTC Industries 
Manufactures parking control equipment including ticket issuing machines, parking and security gates, fee computers, and coin/token machines.
http://www.ptcind.com/Metric Traffic
Suppliers of pay and display ticketing equipment for parking areas.
http://www.cale.se/
Alfia Services Limited
Suppliers of car parking equipment, including pay and display, fully automatic pay-on-foot equipment, ANPR, and barriers. Worldwide.
http://www.alfia.co.uk/
The Thomas Automatics Co
Manufacturers of fee collection payment and ticket machines. Worldwide distribution.
http://www.thomasa.co.uk/ticket/
VenTek International Inc.
Manufacture and support of automated ticketing machines and ticket vending equipment for parking and transit, .
http://www.ventek-intl.com/
Sadamel Ticketing Systems
Design and manufacture of ticket distribution systems and automated fare collection machines, from the design phase to full placing in operation.
http://www.sadamel.ch
SkiData
Ticketing systems for parking, event and ski solutions.
http://www.skidata.com/
Qmon
Manufactures, supplies and services a range of ticket based and ticket-less queuing systems.
http://www.qmon.com/
SGT Enterprises
Manufacturers of ticketing, numbering, and queuing systems.
http://www.urnext.com/
Professor Alfred Krauth Apparatebau GmbH & Co. KG
Specialise in local public passenger transportation ticket fee collection machines.
http://www.krauth-online.de/
