| #21 | Multimedia week. -- Potomac : Phillips Business Information, 1992-. -- ISSN 1064-6639 |
| #22 | Phillips Business Information's communications standards news. -- Potomac : Phillips Business Information, 1994-. -- ISSN 1077-4696 |
| #23 | Phillips Business Information's PCS week. -- Potomac : Phillips Business Information, 1995-. -- ISSN 1080-7187 |
| #24 | Rotor & wing. -- Potomac : Phillips Business Information. -- ISSN 1066-8098 |
| #25 | Technology transfer week. -- Potomac : Phillips Business Information, 1994-1996. -- ISSN 1074-4363 |
| #26 | Washington telecom news. -- Potomac : Phillips Business Information, 1993-. -- ISSN 1069-7500 |
| #27 | Wireless insider. -- Potomac : Phillips Business Information, 1999-. -- ISSN 1526-6389 |
| #28 | Wireless today. -- Potomac : Phillips Business Information, 1997-. -- ISSN 1096-4347 |