TRAIN TO OPERATE A CRANE Gain your certification at our crane operator school in Seagoville, TX Interested in becoming a crane operator? You'll need to participate in crane training and learn the basics first. Miller Crane Works Inc. is a crane operator school that teaches people how to safely operate a crane. We can also guide you through the crane certification courses necessary to get your license. Operating a crane is rewarding work, but it takes a lot of know-how. We'll show you the ropes so you can feel knowledgeable and confident when you take your exam.