The incident in the trading estate in Beveley Road, Oakengates occurred just before 10am.
A spokesperson from Shropshire Fire and Rescue said: ""At 09:58 on Thursday, 30 March, 2023, SFRS Fire Control received a call reporting an incident classified as Gas Leak in Telford .
"One fire appliance was mobilised from Wellington. The incident involved two 57kg propane cylinders with a small gas leak. Crews isolated cylinders."