Cromwell firefighters responded to a structure fire at Arborio Corporation on Shunpike Road late Wednesday evening.
Officials say the fire was brought under control in about 30 minutes.
Firefighters from the Berlin, Rocky Hill, Newington and Wethersfield Fire departments also responded to the scene.
The fire was reportedly accidental. There were no injuries.
The Fire Marshal is expected to have a report on the incident Friday.
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