EECO Switch, formerly known as the Electronic Engineering Company of California, is a global leader in the design and manufacture of man-machine interface products. The company specializes in various switches, including thumbwheel, rotary, and DIP switches, as well as membrane switches and elastomer keypads

1 Pole BCD w/Complement
2 Pole Decimal 0-4 Repeating
1 Pole 12 Binary w/ Diode Prov.
1 Pole Decimal
2 Pole BCH w/Separate Common
1 Pole Complement of 9's Complement
2 Pole Decimal 0-4 Repeating
1 Pole BCD Complement
1 Pole Complement of 9's Complement
1 Pole BCD w/Complement
Thumb-Pushwheel Code Rotary Switch
1 Pole BCH Compl. Marked 0-15
1 Pole Complement of 9's Complement
2 Pole Dual BCD
1 Pole BCD
3500 Series Side Actuated 16 Position Through Hole Coded Rotary DIP Switch
1 Pole Complement of 9's
1 Pole Mod. Teletype Code
1 Pole BCD Complement
2 Pole Repeating Marked +/-