Metal Marking Machines for tags, labels, signage for demanding environents. Metalmarkingmachines.com offers a range of metal tag embossing machines, dot peen marking machines, indenting machines, and engraving machines for industries and applications in the most harsh environments. We provide solutions for long lasting, durable part marking, tagging and identification needs to : power plants, oil refineries, utility companies, chemical plants and more! Our solutions range from manual, low-volume to fully automatic, high-volume.