| MERIDIAN ENGINEERING INC., OF FLORIDATallahassee, FL · Inactive | Tallahassee, FL | Corporation | Jan 27, 1967 | Inactive |
| CONCO CORP.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Mar 7, 1973 | Inactive |
| WINDSOR EQUITIES CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Apr 11, 1974 | Inactive |
| CENTRAL CHURCH OF CHRIST IN MONTICELLO, INC.Monticello, FL · Active | Monticello, FL | Nonprofit | Mar 13, 1981 | Active |
| ASHLAND INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jan 30, 1947 | Inactive |
| W CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Jun 25, 1975 | Inactive |
| THE WINSTON TRAILS, LTD.Lake Worth, FL · Inactive | Lake Worth, FL | Partnership | Aug 30, 1989 | Inactive |
| BREAD AND WATER FOR AFRICA, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Apr 7, 2003 | Inactive |
| AMERICANS HELPING AMERICANS, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Dec 20, 2011 | Inactive |
| AMERICAN INDIAN YOUTH RUNNING STRONG, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Dec 27, 2011 | Inactive |
| JGC INVESTMENTS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jun 27, 1994 | Inactive |
| BONDO FTW, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jul 31, 1995 | Inactive |
| EGL-1, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jul 20, 1998 | Inactive |
| COCO DEVELOPMENT, INC.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Jan 21, 1985 | Inactive |
| JJEB, INC.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Nov 26, 1985 | Inactive |
| JAMES J. O'BRIEN TENNIS, INC.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Jul 30, 1986 | Inactive |
| P & D EAGLE GOLF, INC.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | May 28, 1987 | Inactive |
| WALKER-O'BRIEN HOMES, INC.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Sep 25, 1987 | Inactive |
| WINSTON TRAILS MANAGEMENT CORP.Location not reported, FL · Inactive | Location not reported, FL | Corporation | May 31, 1989 | Inactive |
| JAMES MEDICAL SALES, LLCVero Beach, FL · Inactive | Vero Beach, FL | LLC | Feb 26, 2014 | Inactive |
| SEMINOLE PAIN CARE, LLCVero Beach, FL · Inactive | Vero Beach, FL | LLC | Feb 26, 2014 | Inactive |
| GSD 501 LLCDestin, FL · Inactive | Destin, FL | LLC | May 1, 2017 | Inactive |
| J. O'BRIEN CONSULTING LLCVero Beach, FL · Inactive | Vero Beach, FL | LLC | Mar 11, 2020 | Inactive |
| DCN, INCORPORATEDBoca Raton, FL · Inactive | Boca Raton, FL | Corporation | Jul 5, 1990 | Inactive |
| CRS JACKSONVILLE HOUSING CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Nonprofit | Mar 3, 2004 | Inactive |
| CRS SOUTHSIDE HOUSING CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Nonprofit | Mar 3, 2004 | Inactive |
| CRS MONCRIEF VILLAGE HOUSING CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Nonprofit | Mar 3, 2004 | Inactive |
| CRS UNIVERSITY PLAZA HOUSING CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Nonprofit | Mar 3, 2004 | Inactive |
| JGM GROUP, INC.Boynton Beach, FL · Inactive | Boynton Beach, FL | Corporation | Jan 26, 2001 | Inactive |
| HOLIDAY DEVELOPMENT CORPORATIONWesley Chapel, FL · Inactive | Wesley Chapel, FL | Corporation | Nov 19, 2001 | Inactive |
| COLOR SYSTEMS PAINTING, INC.Lehigh, FL · Inactive | Lehigh, FL | Corporation | May 24, 2004 | Inactive |
| TACTICAL PROTECTION AND INVESTIGATION, INC.Cape Coral, FL · Inactive | Cape Coral, FL | Corporation | Jan 22, 2009 | Inactive |
| O'BRIEN-KREITZBERG & ASSOCIATES, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Nov 2, 1987 | Inactive |
| CHRISTIAN RELIEF SERVICES, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Jan 8, 1991 | Inactive |
| WINSTON TRAILS GOLF CLUB MANAGEMENT CORP.Lake Worth, FL · Inactive | Lake Worth, FL | Corporation | Dec 17, 1992 | Inactive |
| BOCA SPORTS MANAGEMENT, INC.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Jan 31, 1991 | Inactive |