Founded in 1984, SEMCO designs and manufactures RF and state-of-the-art FPGA-based digital products in support of U.S. Government Department of Defense (DOD), Government Research Agencies, International Government entities, DOD Prime Contractors and companies with DOD-related contracts. Company products include:
- Rack Mount and Portable Telemetry Receivers, Simulators, Demodulators, Up/Down
- Converters, RF Multi-Couplers, Repeaters and Re-Radiation Systems
- Turn-Key Mobile Telemetry Systems
- Automated Telemetry Test Stations
- Airborne Digital Transmitters
- Custom Antennas
Locations
The company’s 42,000 square foot facility headquarters, design, and manufacturing facility is located in Vista, CA. SEMCO has full in-house design, manufacturing, assembly, and test capabilities as well as fully equipped hardware and software development labs.

Vista, CA (Corporate Office)
Systems Engineering & Management Company
1430 Vantage Court
Vista, CA 92081-8568
Tel: (760) 727-7800
Fax: (760) 727-5200
Contact: Lawrence Best
Email: lawrence.best@nospam.semco.com
Ocala, FL
Systems Engineering & Management Company
5100 West Highway 40, Suite 200
Ocala, FL 34482-8737
Tel: (760) 727-7800
Fax: (352) 624-0497
Contact: Doug O’Cull
Email: doug.ocull@nospam.semco.com
Please Note: Remove the word “nospam.” from the e-mail addresses before sending.
Company History
SEMCO has been in business since 1984 providing high-end wireless communications products to U.S. and allied International governments and their related prime contractors, research agencies and companies. The company’s focus has been state-of-the-art products used for missile, aircraft and weapon system flight testing
SEMCO is the premier provider of “Range Ready and Range Proven” telemetry products to the U.S. and international flight test community, with well over 2,100 SEMCO telemetry systems deployed world-wide.
SEMCO owns its 42,000 square foot headquarters/engineering/manufacturing facility and has invested heavily over the years in its personnel and equipment to provide a broad spectrum of capability and capacity. Our location in San Diego County enhances our ability to recruit and retain highly-skilled engineers, technicians, and assemblers. SEMCO’s satellite office is located in Ocala, FL. SEMCO is fully compliant with the telemetry and communication industry’s latest modulation formats and RF frequency applications from 70 MHz to 5250 MHz. Our diverse hardware and software staff provides superior skills and experience as they relate to research & development, concept development, new product development, and field service support.