| http://www.aesham.com/ | AES |
| http://www.QTH.com/antenna | The Antenna Elmer |
| http://www.allcorp.com/allcorp | All Electronics Corp. |
| http://www.arrl.org/ | A.R.R.L |
| http://www.hamradio.com/ | Ham Radio Outlet |
| http://www.icomamerica.com/icom | ICOM |
| http://www.kenwood.net | Kenwood |
| http://www.alinco.com/usa.html | Alinco |
| http://www.yaesu.com/amateur/amateur.html | Yaesu |
| http://www.pipeline.com/~dra/nycares.shtml | New York City ARES |
| http://www.semi.harris.com/ | Harris Semiconductor |
| http://www.thinktink.com/ | Green CirKit |
| http://www.qrz.com | Callsign Lookup |
| http://hydra.carleton.ca/articles/hispeed.html | High Speed Packet |
| http://www.weca.org | WECA |