Workers at the Caron Concrete plant in Caronport found out they were short a truck and a skid steer when they arrived at work Wednesday morning.
Police say a truck, trailer and skid steer were stolen from the plant early in the morning.
The truck was a white Ford F250 pickup with a Wal-Berg Enterprises construction decal on the door and a large black frame in the box. It was hauling a five-metre long flat deck trailer with a black and yellow John Deere skid steer with a bucket on it.
An auger and two Honda generators were also attached to the trailer.
Moose Jaw RCMP and Caronport Police Service are investigating the incident.