| A | B |
| FCC | regulate "interstate" telecommunications and radio stations |
| PUC | regulate "intrastate" communications; approves services offered by common carriers |
| ANSI | develop voluntary national standards in the "US" |
| ISO | develop voluntary national standards in the "world" |
| IEEE | standards developed for the physical (wires) and data link layers (electrical transfer of data) of the seven layer model of networking |
| EIA | set electrical standards for manufacturers of telecommunications and other electronic equipment |
| COMSAT | works to reach agreements with other countries concerning satellite communications |
| Acronym FCC | Federal Communications Commission |
| Acronym PUC | Public Utility Commission |
| Acronym ANSI | American National Standards Institute |
| Acronym ISO | International Standards Organization |
| Acronym IEEE | Institute of Electrical and Electronics Engineers |
| Acronym EIA | Electronics Industries Association |
| Acronym COMSAT | Communications Satellite Corporation |