| LOUISIANA OFFICE, LLCWinter Park, FL · Active | Winter Park, FL | LLC | May 27, 2022 | Active |
| DH FAMILY HOLDINGS, LLCWinter Park, FL · Active | Winter Park, FL | LLC | Jan 8, 2021 | Active |
| DAVID AND LINDA HUGHES FOUNDATION, INC.Winter Park, FL · Active | Winter Park, FL | Nonprofit | Feb 19, 2009 | Active |
| HUGHES VENTURE, INC.Winter Park, FL · Active | Winter Park, FL | Corporation | Nov 17, 2000 | Active |
| HUGHES, INC.Winter Park, FL · Active | Winter Park, FL | Corporation | Jan 30, 1946 | Active |
| SOUTHERN LIGHTING MFG. CO.Odrlando, FL · Inactive | Odrlando, FL | Corporation | Jan 31, 1947 | Inactive |
| HUGHES, LUDLOW & ASSOCIATES, INC.Miami, FL · Inactive | Miami, FL | Corporation | Mar 29, 1979 | Inactive |
| HUGHES SUPPLY MANAGEMENT SERVICES, INC.Orlando, FL · Inactive | Orlando, FL | Corporation | Feb 12, 2002 | Inactive |
| CAROLINA PUMP & SUPPLY CORP.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Aug 1, 2003 | Inactive |
| MARBUT COMPANYOrlando, FL · Inactive | Orlando, FL | Corporation | Dec 31, 1980 | Inactive |
| COASTAL WHOLESALE, INC.West Palm Beach, FL · Inactive | West Palm Beach, FL | Corporation | Aug 27, 1981 | Inactive |
| MILLS & LUPTON SUPPLY COMPANYOrlando, FL · Inactive | Orlando, FL | Corporation | Jun 6, 1994 | Inactive |
| ELEC-TEL SUPPLY COMPANYLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Apr 3, 1995 | Inactive |
| PORT CITY ELECTRICAL SUPPLY, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Apr 10, 1995 | Inactive |
| WCC MERGER CORPORATIONOrlando, FL · Inactive | Orlando, FL | Corporation | Sep 25, 1998 | Inactive |
| HUGHES SUPPLY MANAGEMENT SERVICES, INC.Orlando, FL · Inactive | Orlando, FL | Corporation | Nov 12, 1998 | Inactive |
| TRI STATE SUPPLY, INC.Orlando, FL · Inactive | Orlando, FL | Corporation | May 5, 1987 | Inactive |
| HUGHES AVIATION, INC.Orlando, FL · Inactive | Orlando, FL | Corporation | Jul 20, 1987 | Inactive |
| HUGHES SUPPLY OF GEORGIA, INC.Orlando, FL · Inactive | Orlando, FL | Corporation | Oct 9, 1987 | Inactive |
| CONTRACTORS INDUSTRIAL TOOL SUPPLY, INC.Orlando, FL · Inactive | Orlando, FL | Corporation | Oct 15, 1987 | Inactive |
| 525-0633, LLCWinter Park, FL · Inactive | Winter Park, FL | LLC | Feb 14, 2007 | Inactive |
| DHRE, LLCWinter Park, FL · Inactive | Winter Park, FL | LLC | Mar 16, 2011 | Inactive |
| HUDSON ROAD, LLCWinter Park, FL · Inactive | Winter Park, FL | LLC | Oct 14, 2015 | Inactive |
| BH AVIATION, LLCWinter Park, FL · Inactive | Winter Park, FL | LLC | Mar 31, 2023 | Inactive |
| H VENTURE CORP.Orlando, FL · Inactive | Orlando, FL | Corporation | Sep 7, 1990 | Inactive |
| HUGHES SUPPLY FAMILY FUND, INC.Orlando, FL · Inactive | Orlando, FL | Nonprofit | Jun 7, 2004 | Inactive |
| CITIZENS' COUNCIL ON EDUCATION, INC.Fort Lauderdale, FL · Inactive | Fort Lauderdale, FL | Nonprofit | Feb 19, 1985 | Inactive |
| ORLANDO SHOWCASE, INC.Orlando, FL · Inactive | Orlando, FL | Nonprofit | Aug 2, 1985 | Inactive |
| HUGHES FOUNDATION, INC.Orlando, FL · Inactive | Orlando, FL | Nonprofit | Jan 23, 1992 | Inactive |
| HUGHES SUPPLY FOUNDATION, INC.Orlando, FL · Inactive | Orlando, FL | Nonprofit | Oct 6, 1999 | Inactive |
| BH AVIATION, INC.Winter Park, FL · Inactive | Winter Park, FL | Corporation | Oct 23, 2001 | Inactive |
| HUGHES AVIATION, INC.Orlando, FL · Inactive | Orlando, FL | Corporation | Nov 12, 2002 | Inactive |
| ATLANTIC PUMP & EQUIPMENT COMPANY OF WEST PALM BEACH, INC.West Palm Bch, FL · Inactive | West Palm Bch, FL | Corporation | Jul 6, 1993 | Inactive |
| J. I. SERVICES CORPORATIONLakeland, FL · Inactive | Lakeland, FL | Corporation | Mar 11, 1994 | Inactive |
| FLORIDA PIPE & SUPPLY COMPANYLakeland, FL · Inactive | Lakeland, FL | Corporation | Nov 28, 1995 | Inactive |
| JUNO INDUSTRIES, INC.Orlando, FL · Inactive | Orlando, FL | Corporation | Aug 30, 1996 | Inactive |
| HSI FUSION SERVICES, INC.Orlando, FL · Inactive | Orlando, FL | Corporation | Dec 22, 1997 | Inactive |
| HUGHES MRO, INC.Orlando, FL · Inactive | Orlando, FL | Corporation | Jan 22, 1998 | Inactive |
| FES MERGER CORP., INC.Orlando, FL · Inactive | Orlando, FL | Corporation | Sep 16, 1998 | Inactive |
| HSI BESTROUTE INVESTMENT, INC.Orlando, FL · Inactive | Orlando, FL | Corporation | Nov 1, 1999 | Inactive |