Carcone Company has been servicing the Michigan and surrounding states' industrial and commercial accounts with professional quality stamp products for years.Our stamps are manufactured in house by a staff with over 40 years of combined experience in this industry. Our company stays ahead with the latest technologies to bring to you the highest quality custom products and best values available.Industrial PSI Blue is the latest development in the PSI family. these stamps are "green," but unlike the previous stamps we have taken a new approach to "green". We call this the LEM process. What is LEM? Low Emissions manufacturing. What is that in English - No Chemicals used to finish products - No Effluent goes down the drain - Manufacturing process uses less power than it takes to light 100 watt