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| BLUE SATSUMA, INCClearwater, FL · Active | Clearwater, FL | Corporation | Jun 15, 2020 | Active |
| CITRUS RIDGE, INC.Clearwater, FL · Active | Clearwater, FL | Corporation | Jun 15, 2020 | Active |
| RF TECHNIQUES, INC.Clearwater, FL · Active | Clearwater, FL | Corporation | Feb 20, 2019 | Active |
| STAR MICROWAVE, INC.Clearwater, FL · Active | Clearwater, FL | Corporation | Oct 3, 2013 | Active |
| NOVA MICROWAVE, INC.Clearwater, FL · Active | Clearwater, FL | Corporation | Jun 26, 2013 | Active |
| INDUCTIVE TECHNOLOGIES, INC.Clearwater, FL · Active | Clearwater, FL | Corporation | May 21, 2010 | Active |
| ARIZONA CAPACITORS, INC.Clearwater, FL · Active | Clearwater, FL | Corporation | Dec 9, 2009 | Active |
| HYTRONICS CORP.Clearwater, FL · Active | Clearwater, FL | Corporation | Apr 18, 1967 | Active |
| MAGNATRONIX CORPORATIONClearwater, FL · Active | Clearwater, FL | Corporation | Mar 28, 1980 | Active |
| TEPRO OF FLORIDA, INC.Clearwater, FL · Active | Clearwater, FL | Corporation | Mar 26, 1980 | Active |
| ELECTRO TECHNIK INDUSTRIES, INC.Clearwater, FL · Active | Clearwater, FL | Corporation | Nov 2, 1982 | Active |
| WAVETRONIX, INC.Clearwater, FL · Active | Clearwater, FL | Corporation | Jul 10, 1984 | Active |
| MICRO CIRCUITS, INC.Clearwater, FL · Inactive | Clearwater, FL | Corporation | Jun 17, 1987 | Inactive |
| RES-NET MICROWAVE, INC.Clearwater, FL · Active | Clearwater, FL | Corporation | Jun 17, 1987 | Active |
| FLORIDA ELECTRONICS AND TRANSFORMER CO.Clearwater, FL · Active | Clearwater, FL | Corporation | May 9, 1989 | Active |
| FETCO, INC.Clearwater, FL · Active | Clearwater, FL | Corporation | May 9, 1989 | Active |
| BLUE SATSUMA INC.Saint Petersburg, FL · Inactive | Saint Petersburg, FL | Corporation | Aug 6, 2008 | Inactive |
| GLOBAL TECHNOLOGY COMPONENTS, INC.Bradenton, FL · Inactive | Bradenton, FL | Corporation | Aug 12, 2008 | Inactive |
| MOTION MANAGEMENT INC.Saint Petersburg, FL · Inactive | Saint Petersburg, FL | Corporation | Nov 23, 2009 | Inactive |
| GOGUEN RF, INC.Clearwater, FL · Inactive | Clearwater, FL | Corporation | Aug 5, 2013 | Inactive |
| PRECISION RESISTOR COMPANY, INC.Clearwater, FL · Active | Clearwater, FL | Corporation | Sep 3, 2026 | Active |
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| GULF LAND & TIMBER COMPANYSaint Petersburg, FL · Active | Saint Petersburg, FL | Corporation | Sep 23, 1996 | Active |
| GULF ENERGY CORPORATIONSaint Petersburg, FL · Inactive | Saint Petersburg, FL | Corporation | Sep 23, 1996 | Inactive |