Tuners, Waveguide
| Advanced Ferrite Tech Inc |
| Aerowave Inc |
| A-Info |
| ASAP Electronics |
| Atlantic Microwave Corporation |
| Atlantic Microwave Ltd |
| Coleman Microwave Co |
| Epsilon Lambda Elecs Corp |
| Focus Microwaves Inc. |
| Johanson Manufacturing Corp |
| Link Microtek Ltd |
| Mega Industries LLC |
| MI Technologies |
| Micronetixx Technologies LLC |
| Microwave Components & Systems Inc. |
| RF Technologies Corporation |
| Tronser, Inc. |
| VICTOR MICROWAVE INC |
| Voltronics Corporation |
| Waveline |
