GCI operates two divisions as DBAs: A. L. Johnson Company provides quality, precision aluminum and zinc castings using the co ... st effective rubber plaster mold process, providing thin walls, close tolerances and better surface finishes. Contact ALJ today at 805-389-4631 for a quote or more information or visit www.aljcast.com. Apollo Masters provides lacquer masters to the recording industry. Call 951-849-8831 pr visit www.apollomasters. com for more information. read more