American Testing Services is a non-destructive testing and metallurgical testing lab in Miamisburg, Ohio. We serve aerospace, military, commercial manufacturing, construction, foundry, fabricating and amusement customers. Our certified technicians find flaws without damaging the part. When something has already failed, our metallurgists find out how, why and where. We’re 100% employee-owned, and jobs under 100 pieces typically turn around in 24 to 48 hours.