Ladson-based armored vehicle maker Force Protection Industries Inc. said Thursday that several unidentified nonprofit agencies have received fraudulent checks purported to be from the armored vehicle maker.

The checks were accompanied by forged letters stating they were from the company’s chief executive, Michael Moody.

Force Protection said it is working with law enforcement officials to discover the origin of the fraud. It requested that anyone who receives an unsolicited check of this kind to call 843-574-0702.