Writing on Facebook, Campeys of Selby said it had a truck and trailer stolen from a layby on the A120 at 5am this morning.
The registration of the lorry is YN18XVD and trailer is CT62.
According to Campeys of Selby, its driver was doing a morning walk around check when a thief jumped in the truck, locked the doors and drove off. That left the driver, who was unharmed, stranded.
The Selby haulage firm added at around 8am local time, the driver was at Birchanger Services with police. The company said the trailer was hauling building products of low value.
Campeys of Selby also said that as the thieves have used a signal jammer, it cannot track the location of the truck.
The haulier has urged the public to keep an eye out for its truck on the M11, the M25 and surrounding areas.