| Advanced Receiver Research: Low noise, fixed frequency receive only preamps, some are have low magnetic part count. |
| AR-amps.com: Maker of RF broad band power amps, for NMR and MRI applications. |
| Broadband Power Technology: High power pulsed RF amplifiers, narrow and broad-band. |
| Communication Power Corporation: A designer and manufacturer of high power, solid-state, RF pulse amplifiers designed specifically for NMR and MRI applications. |
| EMPower RF systems: RF power amplifiers suitable for MRI and NMR systems. You pick the modules you need and they put it together for you. |
| Miteq: LNA and cryogenic preamps. Make your own Cryoprobe. |
| Ophir RF: Designs and manufactures high power, solid state, broadband and band-specific amplifiers. May be suitable for NMR and MRI applications. |
| Peter W. Dahl Co.: If you are making your own high power RF amplifiers you will need these guys. |
| Prana: A european designer and supplier of RF power amplifiers, suitable for MRI and NMR systems. |
| Radiodan Henry RF Power Amplifiers: These guys are distributors for HENRY RF Power Amplifiers. The very best NB RF power amps in the world. |
| RF Amplifiers: Offers a near complete line of RF Amplifiers for NMR Applications in both low and high power versions from KHz to MHz. All amplifiers are broad banded. |
| Tomco Technologies: RF amplifiers for NMR/MRI applications from 50kHz to 300MHz. They also carry other RF componenets, T/R switchers. and LNAs. |