| MACK CONSTRUCTION AND DEVELOPMENT CO.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | May 25, 1989 | Inactive |
| NORTHWINDS PROPERTY GROUP LLCBoca Raton, FL · Inactive | Boca Raton, FL | LLC | Feb 15, 2006 | Inactive |
| REAL ESTATE ASSISTANCE CENTER LLCBoca Raton, FL · Inactive | Boca Raton, FL | LLC | Apr 4, 2014 | Inactive |
| CENTERBRIDGE INVESTMENTS LLCBoca Raton, FL · Inactive | Boca Raton, FL | LLC | Jun 25, 2014 | Inactive |
| STEIN FINANCIAL GROUP LLC.Boca Raton, FL · Inactive | Boca Raton, FL | LLC | Aug 21, 2015 | Inactive |
| REALTYONE PROPERTIES LLCDelray Beach, FL · Inactive | Delray Beach, FL | LLC | Jul 11, 2016 | Inactive |
| MEG INSURANCE ADVISORS LLCDelray Beach, FL · Inactive | Delray Beach, FL | LLC | Aug 22, 2016 | Inactive |
| HELPING HAND PROPERTY RESCUE LLCSt. Petersburg, FL · Active | St. Petersburg, FL | LLC | Apr 13, 2026 | Active |
| MACK INVESTMENT REALTY CORP.Miami, FL · Inactive | Miami, FL | Corporation | Jan 26, 1990 | Inactive |
| OPERATION LOVE MINISTRIES, INC.Lakeland, FL · Inactive | Lakeland, FL | Nonprofit | Mar 28, 1988 | Inactive |
| STEIN FINANCIAL GROUP INC.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Jul 31, 2002 | Inactive |
| DAVID STEIN INC.Palm Beach Gardens, FL · Active | Palm Beach Gardens, FL | Corporation | Apr 30, 2003 | Active |
| PSYCHOLOGICAL TEST CONSULTANTS INC.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Jul 27, 2004 | Inactive |
| THE MACK CONSTRUCTION GROUP INC.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Aug 19, 2004 | Inactive |
| PSYCHOLOGICAL TEST PUBLISHERS INC.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Nov 16, 2004 | Inactive |
| A+A+A+ TRANSMISSION & AUTO/TRUCK REPAIR INC.Hollywood, FL · Inactive | Hollywood, FL | Corporation | Dec 21, 2004 | Inactive |
| FLA AUTO GROUP INCBoca Raton, FL · Inactive | Boca Raton, FL | Corporation | Feb 28, 2006 | Inactive |
| A+A+A+ TRUCK REPAIR INCHollywood, FL · Inactive | Hollywood, FL | Corporation | Jan 31, 2007 | Inactive |
| INVESTOR REALTY ADVISORS INCCoconut Creek, FL · Inactive | Coconut Creek, FL | Corporation | Oct 31, 2008 | Inactive |
| MAVERICK REALTY GROUP INCBoynton Beach, FL · Inactive | Boynton Beach, FL | Corporation | Aug 18, 2009 | Inactive |
| EQUITABLE REALTY & INVESTMENTS INC.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Jan 22, 2010 | Inactive |
| SMDS INC.Boynton Beach, FL · Inactive | Boynton Beach, FL | Corporation | Feb 6, 2013 | Inactive |
| MACK CONSTRUCTION AND DEVELOPMENT INC.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Jan 27, 2014 | Inactive |
| DAVID BUYS HOUSES INC.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Mar 26, 2014 | Inactive |
| CENTERBRIDGE PROPERTIES INC.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Apr 21, 2014 | Inactive |
| CENTERBRIDGE HOLDINGS INC.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | May 8, 2014 | Inactive |
| DAVID B STEIN PABoca Raton, FL · Inactive | Boca Raton, FL | Corporation | Apr 26, 2017 | Inactive |
| MACK CONSTRUCTION AND DEVELOPMENT INCBoca Raton, FL · Inactive | Boca Raton, FL | Corporation | Sep 29, 2022 | Inactive |
| LUXE PREMIER PROPERTIES INCBoca Raton, FL · Inactive | Boca Raton, FL | Corporation | Dec 1, 2025 | Inactive |
| DAVID B. STEIN INC.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Jun 21, 1999 | Inactive |