From its corporate headquarters in Petaluma, California, VenTek International VenTek provides a wide range of unattended payment systems for applications such as: un-gated and gated parking, transit ticketing, moorage fees, parks and recreation permitting, et al. Backed by its open-platform software system VenTek's product suite includes: fixed and payment terminal hardware, electronic payment transaction processing and cloud-based management and mobile software services.