MFJ Enterprises

MFJ Enterprises was an American manufacturer specializing in a wide range of products for the amateur radio market. The company focuses on station accessories, including antenna tuners and antenna switching equipment. MFJ was founded in 1972 by Martin F. Jue. As of 2014, the company was recognized as the largest producer of amateur radio products worldwide.^[2]

MFJ Enterprises

Company type	Private
Industry	Electronics
Founded	1972
Defunct	2024
Headquarters	Starkville, Mississippi
Area served	Worldwide
Key people	Martin F. Jue (founder), Steven Pan (vice president)
Products	Amateur radio equipment
Revenue	$12,600,000 (2010)
Number of employees	150 (at main location)
Subsidiaries	Ameritron, Hy-Gain, Mirage, Vectronics
Website	mfjenterprises.com
Footnotes / references [1]

Representative products have been described in QST Magazine^[3] and CQ Amateur Radio.^[4]

The initials "MFJ" in the company name are those of the founder, Martin F. Jue (ham radio callsign K5FLU).

On April 26th, 2024, Martin F. Jue announced that as of May 17, 2024, the company will cease on-site production at their Starkville, Mississippi, facility. Ameritron, Hy-Gain, Cushcraft, Mirage, and Vectronics brand products will be affected by the shutdown.^[5]

Subsidiaries

MFJ owned five subsidiary companies:

• Ameritron HF Amplifiers
• Hy-Gain Antennas and Rotators^[6][7]

• Mirage VHF/UHF Amplifiers
• Vectronics
• Cushcraft Amateur Antennas, an antenna manufacturer that has expanded outside amateur radio into RFID technology.^[8]