| HUMBOLD 18, LLCAventura, FL · Active | Aventura, FL | LLC | Feb 21, 2019 | Active |
| HUMBOLD REAL ESTATE VENTURES, LLCAventura, FL · Active | Aventura, FL | LLC | Feb 7, 2019 | Active |
| HUMBOLD REAL ESTATE VENTURES 2, LLCAventura, FL · Active | Aventura, FL | LLC | Feb 7, 2019 | Active |
| HUMBOLD U.S. HOLDINGS, LLCAventura, FL · Active | Aventura, FL | LLC | Feb 7, 2019 | Active |
| LITE IT UP LANDSCAPE LIGHTING INC.Hollywood, FL · Active | Hollywood, FL | Corporation | Apr 7, 2004 | Active |
| 539 TR PLATINUM LLCMiami, FL · Inactive | Miami, FL | LLC | Feb 17, 2022 | Inactive |
| R & R DENTAL, LLLPMiami, FL · Active | Miami, FL | Partnership | Aug 17, 2009 | Active |
| ROBERT SINGER, DMD, PLLCMiami, FL · Active | Miami, FL | LLC | Aug 17, 2009 | Active |
| 800 PLATINUM LLCMiami Beach, FL · Active | Miami Beach, FL | LLC | Apr 21, 2021 | Active |
| 770 PLATINUM LLCMiami Beach, FL · Active | Miami Beach, FL | LLC | Apr 1, 2021 | Active |
| CRESPI PLATINUM LLCMiami Beach, FL · Active | Miami Beach, FL | LLC | Mar 8, 2021 | Active |
| SINGER & FALK, INC.Naples, FL · Active | Naples, FL | Corporation | Sep 19, 2005 | Active |
| NAPLES SYNDICATIONS, LLCNaples, FL · Active | Naples, FL | LLC | Jun 19, 2003 | Active |
| EMERALD PARK AMENITIES ASSOCIATION, INC.Panama City Beach, FL · Active | Panama City Beach, FL | Nonprofit | Mar 8, 2024 | Active |
| STYLE-CRAFT HOMES INCMiami, FL · Inactive | Miami, FL | Corporation | Oct 11, 1952 | Inactive |
| BAYSHORE CONSULTANTS, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | Mar 31, 1976 | Inactive |
| SING ENTERPRISES, INC.Miami, FL · Inactive | Miami, FL | Corporation | Apr 27, 1978 | Inactive |
| SINGER-ROGERS MANAGEMENT COMPANYMiami, FL · Inactive | Miami, FL | Corporation | May 15, 1979 | Inactive |
| JAPANESE GARDENS HOMEOWNERS CORPORATION, INC.Venice, FL · Active | Venice, FL | Nonprofit | Mar 19, 1981 | Active |
| ALAMO LEASING COMPANY INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Nov 16, 2005 | Inactive |
| DUROSS PAINTING COMPANYLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Mar 1, 2013 | Inactive |
| MERCHANTS AUTOMOTIVE GROUP, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Mar 9, 2016 | Inactive |
| T. I. P. INVESTMENTS, INC.Miami, FL · Inactive | Miami, FL | Corporation | Dec 22, 1981 | Inactive |
| ROBERT SINGER, P.A.South Miami, FL · Inactive | South Miami, FL | Corporation | May 5, 1982 | Inactive |
| FLORIDA PHOTO ASSOCIATES, INC.No. Miami Bch, FL · Inactive | No. Miami Bch, FL | Corporation | Mar 30, 1983 | Inactive |
| K.M.E., INC.Miami, FL · Inactive | Miami, FL | Corporation | Dec 2, 1983 | Inactive |
| MYRTLE ROAD, LLCNaples, FL · Inactive | Naples, FL | LLC | May 5, 2004 | Inactive |
| LAKESIDE HIDEAWAY DEVELOPMENT, LLCNaples, FL · Inactive | Naples, FL | LLC | Aug 27, 2004 | Inactive |
| FLORIDA WEST REALTY PARTNERS LLCNaples, FL · Inactive | Naples, FL | LLC | Feb 1, 2005 | Inactive |
| WATERWAYS VILLAGE OF AVON PARK, LLCNaples, FL · Inactive | Naples, FL | LLC | Dec 20, 2005 | Inactive |
| FLORIDA HOME REALTY GROUP, LLCNaples, FL · Inactive | Naples, FL | LLC | Dec 22, 2005 | Inactive |
| FLORIDA WEST REALTY PARTNERS OF CHARLOTTE LLCNaples, FL · Inactive | Naples, FL | LLC | Mar 8, 2006 | Inactive |
| FWR PARTNERS OF LAKE WALES, LLCNaples, FL · Inactive | Naples, FL | LLC | Jun 6, 2006 | Inactive |
| RSAC REAL ESTATE LLCNaples, FL · Inactive | Naples, FL | LLC | Oct 23, 2006 | Inactive |
| MAYO GROUP, LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Dec 14, 2006 | Inactive |
| HBB FT. LAUDERDALE, LLCFort Lauderdale, FL · Inactive | Fort Lauderdale, FL | LLC | Jun 22, 2007 | Inactive |
| 625 NORTH FORT LAUDERDALE BEACH BOULEVARD, LLCFort Lauderdale, FL · Inactive | Fort Lauderdale, FL | LLC | Aug 31, 2007 | Inactive |
| LOGO SHIRT IDEAS, LLCPoinciana, FL · Inactive | Poinciana, FL | LLC | Apr 17, 2012 | Inactive |
| RS NOTES, LLCGainesville, FL · Inactive | Gainesville, FL | LLC | Feb 13, 2013 | Inactive |
| MEMPHIS ACOUSTIC GUITAR FESTIVAL, LLCTamarac, FL · Inactive | Tamarac, FL | LLC | Apr 25, 2014 | Inactive |
| SUN HIPPIE TRADERS L.L.CNorth Palm Beach, FL · Inactive | North Palm Beach, FL | LLC | Sep 4, 2018 | Inactive |
| HUMBOLD U.S. LIMITED, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Nov 2, 2018 | Active |
| HUMBOLD 9001 OAKLAND PARK, LLCAventura, FL · Inactive | Aventura, FL | LLC | Feb 7, 2019 | Inactive |
| BORRIS BROTHERS LLCMiami, FL · Inactive | Miami, FL | LLC | Nov 21, 2019 | Inactive |
| GARY PLATINUM LLCMiami Beach, FL · Inactive | Miami Beach, FL | LLC | Apr 21, 2021 | Inactive |
| FAIRWAY CIRCLE LLCDunedin, FL · Inactive | Dunedin, FL | LLC | Nov 16, 2021 | Inactive |
| 550 TR PLATINUM LLCMiami, FL · Inactive | Miami, FL | LLC | Apr 13, 2022 | Inactive |
| MAJESTIC INTERNATIONAL VENTURES LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Jun 3, 2024 | Active |
| 400 SOUTH DIXIE HIGHWAY LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Jun 3, 2024 | Active |
| 145 2ND AVENUE LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Apr 29, 2025 | Inactive |