| PINELLAS TRANE SERVICE CORPLargo, FL · Inactive | Largo, FL | Corporation | Jun 12, 1973 | Inactive |
| THE BOLNER GROUP, INC.Largo, FL · Inactive | Largo, FL | Corporation | Feb 5, 1974 | Inactive |
| TRI-COUNTY TRANE AIR CONDITIONING COMPANY, INC.Largo, FL · Inactive | Largo, FL | Corporation | Feb 23, 1976 | Inactive |
| COASTAL MECHANICAL CONTRACTORS, INC.Largo, FL · Inactive | Largo, FL | Corporation | Jan 31, 1977 | Inactive |
| OMEGA PRODUCTS, INC.Largo, FL · Inactive | Largo, FL | Corporation | May 22, 1978 | Inactive |
| MAS PROPERTIES LIMITED PARTNERSHIP, AN OHIO LIMITED PARTNERSHIPLocation not reported, FL · Inactive | Location not reported, FL | Partnership | Jan 24, 1990 | Inactive |
| MAS PROPERTIES CORPORATIONLocation not reported, FL · Active | Location not reported, FL | Corporation | Jul 12, 2000 | Active |
| MAS-VSD, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | May 31, 2001 | Inactive |
| MAS-LMBC, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Dec 24, 2002 | Inactive |
| FOUR STAR CONSTRUCTION AND DEVELOPMENT COMPANYLocation not reported, FL · Active | Location not reported, FL | Corporation | Nov 8, 2004 | Active |
| SUNBELT DEVELOPMENT SERVICES, INC.Clearwater, FL · Inactive | Clearwater, FL | Corporation | Mar 16, 1983 | Inactive |
| MECHANICAL DESIGN CONCEPTS, INC.Clearwater, FL · Inactive | Clearwater, FL | Corporation | Aug 4, 1986 | Inactive |
| MAS REAL ESTATE MANAGEMENT LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Jun 27, 2007 | Active |
| INNOVATIONS L.C.Clearwater, FL · Inactive | Clearwater, FL | LLC | Jan 9, 1997 | Inactive |
| SPANISH LAKES MAINTENANCE ASSOCIATION,INC.Clearwater, FL · Inactive | Clearwater, FL | Nonprofit | Nov 3, 2004 | Inactive |
| SECRET LAKE LAND COMPANY MM, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | May 17, 2005 | Inactive |
| POP 52, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Oct 31, 2006 | Inactive |
| URBAN CONSTRUCTION SERVICES CORP.Clearwater, FL · Inactive | Clearwater, FL | Corporation | Oct 7, 2011 | Inactive |
| CARVER POND, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Nov 4, 1994 | Inactive |
| MAS HOLDING CORP.Location not reported, FL · Active | Location not reported, FL | Corporation | Dec 9, 1994 | Active |
| MAS-B.C., INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Dec 19, 1997 | Inactive |
| 600 CLUB CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Oct 4, 1990 | Inactive |
| MAS APARTMENT CORPORATIONLocation not reported, FL · Active | Location not reported, FL | Corporation | Oct 23, 1992 | Active |