- Advanced Logic Resources Inc
- Aqua Signal Corp
- Bathy Systems Inc
- Benmar Marine
- Brandstrom Instruments Inc
- BRS-Lve
- Butler Petroleum
- Butler Petroleum Corp
- Butler Physical Therapy
- Butler Physical Therapy Assoc
- Colmek Systems Engineering
- Computrol Inc
- Connecticut Valley Industries
- Control Industries Inc
- Drs Ew & Network Systems Inc
- DRS Technologies Inc
- E S Ritchie & Sons Inc
- Endeco Ysi
- Fieldtech Avionics & Instrmnts
- Garmin AT
- Garmin International Inc
- Honeywell
- Input/Output Inc
- Inter Ocean Systems Inc
- International Transducer Corp
- ITT Gilfillan
- J W Fishers Mfg Co
- Kelly Manufacturing Co
- Klein Associates Inc
- L-3 Communications Ocean Systs
- L-3 Communications Titan Group
- LA Barge Inc
- Litton Guidance & Control
- Litton Guidance & Control Sys
- Litton Guidance & Control Sys
- Migatron Corp
- Migatron Corp
- Moog Operations
- Nautronix Maripro
- Nautronix Maripro
- Navpro Navigational Products
- Navsys Corp
- Navteq Corp
- Northrop Grumman Corp
- Northrop Grumman Corp
- Northrop Grumman Corp
- Northrop Grumman Elect Systems
- Northrop Grumman Elect Systems
- Northrop Grumman Elect Systems
- Northrop Grumman Mission Systs
- Northstar Technologies Inc
- Ockam Instruments
- Odom Hydrographic Systems Inc
- On-Site Analysis Inc
- Optical Energy Technologies
- PAPEC
- Radio Research Instrument Co
- Raytheon Co
- Raytheon Co
- Raytheon Co
- Refraction Technology
- Rens Mfg Co
- Rudolph Technologies Inc
- Rudolph Technologies Inc
- Scientific Industries Inc
- SEE Inc
- Sentronic International
- Servo Corp Of America
- Sun Dial & Panel Corp
- Systems Management Div
- Techsonic Industries Inc
- Teledyne RD Instruments
- TVI Corp
- Ultra Electronics
- Universal Avionics Systs Corp
- Weems & PLATH Inc
