Profile: Sti-Co Industries, Inc. develops, manufactures and supplies antennas for a variety of applications. Our antenna products include covert, tactical, interoperable, public safety and low profile antennas. Covert antennas are used in law enforcement agencies in critical surveillance and undercover operations. We offer two-way communication with antennas that are completely covert. These include fender, euro & cellular style antennas, hidden, GPS and surveillance van antenna systems. We also offer cable kits.