| natehome.com | The National Association of Tower Erectors (NATE) |
| sowp.org | The Society of Wireless Pioneers, Inc. |
| sbthome.org | Small Business in Telecommunications (SBT) |
| pcia.com | Personal Communications Industry Association (PCIA) |
| pagingresellers.org | Paging & Wireless Resellers Association |
| ita-relay.com | Industrial Telecommunications Association |
| wcai.com | Wireless Communications Association International (WCA) |
| mobitex.org | Mobitex Operators Association |
| mrfac.com | Manufacturers Radio Frequency Advisory Committee, Inc. (MRFAC) |
| mda-mobiledata.org | Mobile Data Association |
United States , Colorado , Englewood