Firefighters were called to a Windsor Locks business early Monday morning after three vans caught on fire.
Crews responded to Northeast Industrial Floorings on King Spring Road around 2 a.m. after getting a report of a fire.
According to fire officials, firefighters found three vans fully engulfed in flames and used firefighting foam to extinguish the fires.
Authorities were concerned the fire might spread to the side of a building, but the fire was contained before it could spread, fire officials added.
The state Department of Energy and Environmental Protection was notified about the incident.
The cause of the fire remains under investigation.