It happened on Thomas Mill Road in Holly Springs.
The fire produced heavy, black smoke in southern Wake County.
The sign out front of the business says it is SVG Concrete Services.
By 11 p.m., the fire was under control but firefighters were keeping an eye out for hot spots.
An ABC11 viewer sent a video of when the fire started; you can see the smoke billowing from at least a mile away.
ABC11 is working to learn what sparked the fire.
The fire chief said there was a lot of construction material inside the structure,
No other information was immediately available.