Authorized Gatekeeper/CarttRonics Sales & Service!

Tomark is an exclusive authorized Gatekeeper/Carttronics sales and service provider servicing the entire east coast. We can provide you with parts such as GS2 Wheels, Smart Wheels, CAPS Units, Anti-Tilt Bars, Cart Signs and all required service or installation with just a few days notice.


  • No need to pre-purchase and store Gatekeeper/Carttonics wheels where they can be misplaced, lost or even stolen.
  • No more extended waiting time to get your shopping carts back into service.
  • No more store level ordering and waiting for Gatekeeper/Carttonics wheels.
  • No more need to issue purchase orders.
  • We take care of it all!



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