Suffolk Fire & Rescue units responded to a commercial structure fire in the 1000 block of Centerpoint Drive early Tuesday morning.

The call was initially received as a commercial fire alarm at 5:11 a.m., and was then upgraded to a commercial structure fire. The first unit arrived on scene at 5:24 a.m.

Upon arrival, firefighters found heavy smoke inside the Friant & Associates facility. The building was not occupied at the time.

The fire was called under control at 5:57 a.m., and then crews ventilated the building. There were no injuries.

The Fire Marshal’s Office will be investigating the cause of the fire.