Acorel Designs and markets automatic pedestrians counting systems allowing precise flow and directions measurements. http://www.acorel.com/

SentryMaster Developer of electronic sensoring devices and people counters. http://www.sentrymaster.com/

Solva Electronic people counting and tracking systems. http://www.solva.nl/

Prodco Technology Inc. International people counting system solutions and software. Features sample client list, support, services, and contact information. http://www.prodcotech.com/

SPSL Provides people counting and customer tracking systems and analysis. Includes products, services, and contacts. http://www.customercounting.com/

MWalker Co Manufacturer of people counters. http://www.mwalkerco.com/

Electronic Specialists NZ Manufacturer of nurse call bell and people counters, automation, telemetry and SCADA systems, PLC control and other industrial electronics. http://www.electronic-specialists.co.nz

Q-Scan Manufacturers a people or person counter designed to automatically count customers or visitors to shops, libraries, visitor centres, museums, art-galleries, tourist attractions and the retail sector. http://www.q-scan.co.uk

Chambers Electronics Electronic design and instrumentation specialists and manufacture of people counters, horse counters, car counters, bicycle counters, water level loggers, electronic quadrat marking system. From UK. http://www.chambers-electronics.com/

Trafsys Provides accurate and comparative measures of pedestrian traffic for shopping centers and retail stores. http://www.trafsys.com

Inter-Dimensional Technologies, Inc. Manufacturer of pedestrian counting systems. http://www.idtelectronics.com/

JDA Software Group, Inc. Provides comprehensive enterprise-wide software solutions which address mission-critical business information requirements of retailing organizations. (Nasdaq: JDAS). http://www.jdasoftware.com/