Schubel & Son opened for business on October 4, 1974 in
Sacramento, California. They began in the PBM field in 1974 and began moderating large-scale PBM games in August 1978 with the game
The Tribes of Crane. The company stated that it proved very popular in the initial months of play and enrollment quickly expanded. In 1984, the company had computer equipment of the period. This included a "PCE Systems Voyager II" with 500
kilobytes of
RAM, four printers (two of which were dot matrix), as well as two hard discs of 20 and 40 megabytes with two 8-inch floppy disks. The company used
Microsoft Basic-80 5.21 and Bascom Compiler 5.24. George V. Schubel, in a letter to W.G. Armintrout of
The Space Gamer magazine, stated that the company had heard of
StarMaster positions "selling in the $700.00 range" by September 21, 1983. In 1990, the company stated that
Global Supremacy III was their largest and most successful game. In the March–April 1993 issue of
Paper Mayhem magazine, the company announced that they had concluded an agreement with Northwest Simulations for the sale of their games, license contracts and most office equipment. The announcement noted that "George and Patty Schubel of Schubel & Son Inc. are planning to run one game of Global Supremacy in retirement in a license arrangement through Northwest Simulations." ==Fee structure==