Shropshire Fire and Rescue Service sent two crews to the incident, involving a shed at Bavenley Farm.
The crews, from Bridgnorth and Cleobury Mortimer, were sent out after a call at 12.07pm today.
The fire involved a single storey shed.
The crews used breathing apparatus and a hose reel jet to put the fire out, while two people were given oxygen while waiting for the ambulance service.
A spokesman said: "Oxygen therapy being administered to two casualties suffering from smoke inhalation whilst awaiting arrival of ambulance service."