| AIR SYSTEMS DISTRIBUTORS LLCDeerfield Beach, FL · Active | Deerfield Beach, FL | LLC | Jan 2, 2004 | Active |
| GEMAIRE DISTRIBUTORS LLCDeerfield Beach, FL · Active | Deerfield Beach, FL | LLC | Jan 22, 2003 | Active |
| BAKER DISTRIBUTING COMPANY LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Jan 23, 2003 | Active |
| TRADEWINDS DISTRIBUTING COMPANY, LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Sep 25, 2002 | Active |
| GRAMPS G-MA, LPMiami, FL · Active | Miami, FL | Partnership | May 19, 2025 | Active |
| ALBERTO MANAGEMENT LLCMiami, FL · Active | Miami, FL | LLC | May 7, 2025 | Active |
| COLON BOY LPCoconut Grove, FL · Active | Coconut Grove, FL | Partnership | Nov 23, 2020 | Active |
| BALBOA BULLDOGS LPCoconut Grove, FL · Active | Coconut Grove, FL | Partnership | Aug 19, 2020 | Active |
| KEYS SERENITY MANAGEMENT LLCCoconut Grove, FL · Active | Coconut Grove, FL | LLC | Aug 19, 2020 | Active |
| COOL GROVE EQUIPMENT LLCCoconut Grove, FL · Active | Coconut Grove, FL | LLC | Oct 10, 2016 | Active |
| WATSCO VENTURES LLCCoconut Grove, FL · Active | Coconut Grove, FL | LLC | Dec 3, 2014 | Active |
| COOL GROVE REALTY LLCCoconut Grove, FL · Active | Coconut Grove, FL | LLC | Nov 10, 2014 | Active |
| BALBOA HIGH MANAGEMENT LLCCoconut Grove, FL · Active | Coconut Grove, FL | LLC | Sep 30, 2013 | Active |
| MY PAL AL, LPCoconut Grove, FL · Active | Coconut Grove, FL | Partnership | Sep 30, 2013 | Active |
| ACDOCTOR.COM LLCCoconut Grove, FL · Active | Coconut Grove, FL | LLC | Oct 17, 2012 | Active |
| ALBERT HENRY CAPITAL LPCoconut Grove, FL · Active | Coconut Grove, FL | Partnership | Feb 8, 2011 | Active |
| G-MA MANAGEMENT LLCCoconut Grove, FL · Active | Coconut Grove, FL | LLC | Feb 8, 2011 | Active |
| ALBERT H. AND JANE D. NAHMAD FOUNDATION, INC.Coconut Grove, FL · Active | Coconut Grove, FL | Nonprofit | Nov 15, 2010 | Active |
| CARRIER INTERAMERICA CORPORATIONMiami, FL · Active | Miami, FL | Corporation | Oct 17, 2005 | Active |
| TRADEWINDS FLIGHT SERVICES LLCCoconut Grove, FL · Active | Coconut Grove, FL | LLC | Apr 5, 2005 | Active |
| WATSCO HOLDINGS, INC.Coconut Grove, FL · Active | Coconut Grove, FL | Corporation | Jul 21, 2004 | Active |
| WATSCO INVESTMENTS LLCCoconut Grove, FL · Active | Coconut Grove, FL | LLC | Jan 2, 2004 | Active |
| BOREAL INTERNATIONAL CORPORATIONSweetwater, FL · Active | Sweetwater, FL | Corporation | Mar 7, 2013 | Active |
| CARRIER ENTERPRISE LEASING, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Jan 3, 2011 | Active |
| CARRIER ENTERPRISE, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Jan 2, 2001 | Active |
| WATSCO, INC.Coconut Grove, FL · Active | Coconut Grove, FL | Corporation | Jul 14, 1956 | Active |
| THE FLORIDA AD COMPANYDeerfield Beach, FL · Inactive | Deerfield Beach, FL | Corporation | Mar 5, 1976 | Inactive |
| INTERCOMPANY SERVICES INCORPORATEDJacksonville, FL · Inactive | Jacksonville, FL | Corporation | Jul 25, 1976 | Inactive |
| ALBERT CAPITAL LPCoconut Grove, FL · Inactive | Coconut Grove, FL | Partnership | Aug 10, 2010 | Inactive |
| WATSCODIRECT, INC.Coconut Grove, FL · Inactive | Coconut Grove, FL | Corporation | Jun 16, 2000 | Inactive |
| ACDOCTOR.COM INC.Coconut Grove, FL · Inactive | Coconut Grove, FL | Corporation | Sep 8, 2003 | Inactive |
| FLORIDA COOLING SUPPLY, INC.Clearwater, FL · Inactive | Clearwater, FL | Corporation | Nov 2, 2007 | Inactive |
| COASTLINE DISTRIBUTION, INC.Coconut Grove, FL · Inactive | Coconut Grove, FL | Corporation | Dec 18, 1992 | Inactive |
| BAKER DISTRIBUTING COMPANYJacksonville, FL · Inactive | Jacksonville, FL | Corporation | Jan 6, 1983 | Inactive |
| GEM CREDIT CORPORATIONDeerfield Beach, FL · Inactive | Deerfield Beach, FL | Corporation | Jun 28, 1985 | Inactive |
| GRAMPS MANAGEMENT LLCCoconut Grove, FL · Inactive | Coconut Grove, FL | LLC | Aug 10, 2010 | Inactive |
| THE FLORIDA AD COMPANY LLCDeerfield Beach, FL · Inactive | Deerfield Beach, FL | LLC | Dec 23, 2016 | Inactive |
| SUPPLYSYNC LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Dec 1, 2025 | Active |
| WATSCO HOLDINGS V LLCCoconut Grove, FL · Active | Coconut Grove, FL | LLC | Dec 16, 2025 | Active |
| ATLANTIC JET CHARTER, LLCCoconut Grove, FL · Inactive | Coconut Grove, FL | LLC | May 22, 1997 | Inactive |
| HBA DISTRIBUTORS LLCDeerfield Beach, FL · Inactive | Deerfield Beach, FL | LLC | Jan 23, 2003 | Inactive |
| HOMANS ASSOCIATES LLCCoconut Grove, FL · Inactive | Coconut Grove, FL | LLC | Jan 23, 2003 | Inactive |
| ATLANTIC SERVICE & SUPPLY LLCDeerfield, FL · Inactive | Deerfield, FL | LLC | Jan 22, 2003 | Inactive |
| TCS DISTRIBUTORS LLCAltamonte Springs, FL · Inactive | Altamonte Springs, FL | LLC | May 1, 2003 | Inactive |
| WATSCO INVESTMENTS I, INC.Coconut Grove, FL · Inactive | Coconut Grove, FL | Corporation | Jul 2, 1986 | Inactive |
| AIR SYSTEMS DISTRIBUTORS, INC.Deerfield Beach, FL · Inactive | Deerfield Beach, FL | Corporation | Dec 22, 1987 | Inactive |
| HTX DISTRIBUTORS, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | Sep 18, 2023 | Inactive |
| HBA DISTRIBUTORS, INC.Deerfield Beach, FL · Inactive | Deerfield Beach, FL | Corporation | Feb 28, 1995 | Inactive |
| THREE STATES SUPPLY COMPANY, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jan 10, 1996 | Inactive |
| A & C DISTRIBUTORS, INC.Sanford, FL · Inactive | Sanford, FL | Corporation | Aug 28, 1996 | Inactive |