Quest Courier Services Limited Quest employs, under contracts for services, over seventy-five driver/vehicle units ranging in size from bicycles to tractor trailers. Our experienced inside staff of freight operations and customer service professionals handle the various administrative, operational and customer service functions required to provide the necessary support for our team of couriers. Each driver owned vehicle is required to be maintained in good running condition and abide by all safety requirements as required by law. more... See more text