| Corporate name | AOR, LTD. |
| Date founded | July 10, 1978 |
| Address | 2-6-4 Misuji, Taito-ku, 111-0055 Tokyo, Japan |
| President | Shigeru Takano, president and CEO |
| Paid-in capital | 10,000,000 Yen |
| No of employees | 17 |
| Main banks | Mizuho Bank Mitsui Sumitomo Bank Mitsubishi-Tokyo, UFJ Bank |
| Business activities | Design, development and manufacturing of communications equipment and wireless products. Import and sales of meteorological observation equipment, quartz crystal units and oscillators. |
| 1978 | AOR, Ltd. is established |
| 1978 | AOR's first 144MHz amateur radio hand held transceiver. |
| 1979 | Start of OEM supply for Henry Radio in the U.S.A . |
| 1983 | TR-720 : World's first fully synthesized handheld air-band transceiver. |
| 1984 | AR2001 : World's first continuous coverage (25-550MHz) scanner receiver. |
| 1985 | Moved to AOR's own building at present location. |
| 1985 | DAVIS weather instruments sales started. |
| 1989 | AR3000A: World famous wide band communications receiver. |
| 1990 | AOR UK established in Derbyshire, UK. |
| 1994 | AR5000 flagship wide band receiver is announced. |
| 1998 | AOR USA, INC established in Torrance, USA. |
| 2001 | AOR Kyushu R&D Center established. |
| 2003 | SDU5600: 10MHz wide spectrum display with FFT technology |
| 2004 | ARD series of APCO25 decoder and digital voice & data modems |
| 2004 | SR2000: 10MHz wide FFT spectrum display with integrated VHF/UHF receiver |
| 2007 | AR-ALPHA: AOR's new flag ship wide band receiver with 1GHz wide FFT spectrum and 1MHz IQ. |
| 2007 | Security related devices presented at RISCON (Security & Safety trade) exhibition in Tokyo. |
| 2007 | Import and sales of DAVIS eco-drive car chips. |
| 2008 | Microtelecom direct sampling SDR sales started. |
| DAVIS INSTRUMENTS CORP. Hayward, California USA Weather Instruments and Eco-drive support loggers www.davisnet.com |
Microtelecom, s.r.l. Udine, ITARY Direct sampling HF receiver and software www.microtelecom.it |
Siborg Systems, Inc. Ontario, Canada High precision automatic LCR and voltage meter http://www.siborg.com/smarttweezers/ |
| Time-Step Electronics Dartmouth , Devon England Weather Satellite Receiving Systems and accessories http://www.time-step.com/ |