A modular equipment support system (100,1600,2000) designed and configured to support electronic equipment, the modular equipment support system comprising: a plurality of stackable modules (104,108,108,112,116,116,120, 120,124,1612,1612,1620,1620,1624,1624,1628, 1628,2012,2016,2012,2032) designed and configured to be stacked on, and secured to, one another to create at least one piece of production equipment furniture, each of the stackable modules including: a stackable frame (200,300,304,808,908,1000,1228,1328) having an upper end and a lower end, each designed and configured, in use, to engage, respectively, a lower end or an upper end of another of the stackable modules when the modules are stacked on one another; at least one upper module-connecting member (140,144,148,316,320,412, 508,512,800,900,1008) secured to the stackable frame on the upper end and located at a reentrant corner of said stackable frame, the upper module-connecting member including a first connector-pin receiver designed and configured to receive a first portion of a connector pin (152,156); and at least one lower module-connecting member (140,144,148,316,320,412, 508,512,800,900,1008) secured to the stackable frame on the lower end, the lower module-connecting member including a second connector-pin receiver designed and configured to receive a second portion of the connector pin; wherein the stackable modules are designed and configured so that, when a first stackable module of the plurality of stackable modules is properly stacked on a second stackable module of the plurality of stackable modules with the stackable frame of each upper one of the stackable modules resting on the stackable frame of a corresponding lower one of the stackable modules, the second connector-pin receiver of the first stackable module and the first connector-pin receiver of the second stackable module are in registration with one another so that a user can install the connector pin so that the first and second portions of the connector pin are located, respectively, in the first and second receivers. a plurality of stackable modules (104,108,108,112,116,116,120, 120,124,1612,1612,1620,1620,1624,1624,1628, 1628,2012,2016,2012,2032) designed and configured to be stacked on, and secured to, one another to create at least one piece of production equipment furniture, each of the stackable modules including: a stackable frame (200,300,304,808,908,1000,1228,1328) having an upper end and a lower end, each designed and configured, in use, to engage, respectively, a lower end or an upper end of another of the stackable modules when the modules are stacked on one another; at least one upper module-connecting member (140,144,148,316,320,412, 508,512,800,900,1008) secured to the stackable frame on the upper end and located at a reentrant corner of said stackable frame, the upper module-connecting member including a first connector-pin receiver designed and configured to receive a first portion of a connector pin (152,156); and at least one lower module-connecting member (140,144,148,316,320,412, 508,512,800,900,1008) secured to the stackable frame on the lower end, the lower module-connecting member including a second connector-pin receiver designed and configured to receive a second portion of the connector pin; a stackable frame (200,300,304,808,908,1000,1228,1328) having an upper end and a lower end, each designed and configured, in use, to engage, respectively, a lower end or an upper end of another of the stackable modules when the modules are stacked on one another; at least one upper module-connecting member (140,144,148,316,320,412, 508,512,800,900,1008) secured to the stackable frame on the upper end and located at a reentrant corner of said stackable frame, the upper module-connecting member including a first connector-pin receiver designed and configured to receive a first portion of a connector pin (152,156); and at least one lower module-connecting member (140,144,148,316,320,412, 508,512,800,900,1008) secured to the stackable frame on the lower end, the lower module-connecting member including a second connector-pin receiver designed and configured to receive a second portion of the connector pin; wherein the stackable modules are designed and configured so that, when a first stackable module of the plurality of stackable modules is properly stacked on a second stackable module of the plurality of stackable modules with the stackable frame of each upper one of the stackable modules resting on the stackable frame of a corresponding lower one of the stackable modules, the second connector-pin receiver of the first stackable module and the first connector-pin receiver of the second stackable module are in registration with one another so that a user can install the connector pin so that the first and second portions of the connector pin are located, respectively, in the first and second receivers.