| JACK POWELL INSURANCE. INC.South Pasadena, FL · Active | South Pasadena, FL | Corporation | Apr 27, 2020 | Active |
| LANDT AND POWELL CONSTRUCTION CO INCSt. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Aug 28, 1962 | Inactive |
| POWELL CONSTRUCTION COMPANY, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Oct 21, 1969 | Inactive |
| UNITY MARINE INSURANCE SERVICES, INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Jan 4, 1974 | Inactive |
| POWELL FINANCIAL GROUP, INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Sep 10, 1974 | Inactive |
| PEARSON, POWELL & ASSOC., INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Jul 20, 1976 | Inactive |
| POWELL REFERRAL COMPANYSt. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Apr 15, 1980 | Inactive |
| POWELL FUNDING CORPORATIONSt. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Jul 11, 1983 | Inactive |
| GRANT COMPUTER SERVICES, INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Sep 22, 1983 | Inactive |
| POWELL PROPERTIES, INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Jun 27, 1989 | Inactive |
| EXPRESS DRY CLEANING SERVICES, INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | May 18, 2001 | Inactive |
| MARIE POWELL & COMPANY, INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Dec 3, 2001 | Inactive |
| M.D. RESEARCH AND INVESTMENT GROUP, INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Feb 28, 2002 | Inactive |
| TRTEASURE ISLAND CONDO DELEPORS, INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Mar 12, 2002 | Inactive |
| TREASURE ISLAND CONDO DEVELOPERS INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Apr 19, 2002 | Inactive |
| TREASURE ISLAND CONDOMINIUM DEVELOPERS, INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Feb 4, 2004 | Inactive |
| JOLLY ROGER CONDOMINIUM DEVELOPERS, INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Apr 22, 2004 | Inactive |
| POWELL INVESTMENT GROUP, INCSt. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Mar 23, 2005 | Inactive |
| RIVERBEND BUILDERS INCSaint Petersburg, FL · Inactive | Saint Petersburg, FL | Corporation | Oct 3, 2006 | Inactive |
| ELITE WATER SOLUTIONS INC.Pinellas Park, FL · Inactive | Pinellas Park, FL | Corporation | Sep 10, 2010 | Inactive |
| SULLIVAN, POWELL AND PARKER, INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | May 6, 1993 | Inactive |
| TITLE SERVICES OF TAMPA BAY, INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Nov 21, 1991 | Inactive |