| The Porter Legacy FoundationPittsburgh, PA · Not reported | Pittsburgh, PA | Nonprofit | Not reported | Not reported |
| Rooted Truth Media, LlcPittsburgh, PA · Not reported | Pittsburgh, PA | LLC | Not reported | Not reported |
| WESCA, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Mar 1, 1974 | Inactive |
| JONES KRALL, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Aug 18, 1982 | Inactive |
| H-H PROPERTIES, LTD.Location not reported, FL · Inactive | Location not reported, FL | Partnership | Dec 1, 1977 | Inactive |
| MASCARO CONSTRUCTION COMPANY, L.P.Location not reported, FL · Inactive | Location not reported, FL | Partnership | Aug 2, 2010 | Inactive |
| KAG LIMITED II LPLocation not reported, FL · Inactive | Location not reported, FL | Partnership | Feb 5, 2018 | Inactive |
| KAG LIMITED LPLocation not reported, FL · Inactive | Location not reported, FL | Partnership | Feb 8, 2018 | Inactive |
| MISTICK PBTLocation not reported, FL · Active | Location not reported, FL | Other | Sep 13, 2004 | Active |
| MASCARO SERVICES, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Aug 2, 2010 | Inactive |
| MISTICK CONSTRUCTION COMPANYLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Apr 27, 2011 | Inactive |
| PLAN4DEMAND SOLUTIONS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Nov 22, 2013 | Inactive |
| THE EFFICIENCY NETWORK, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | May 5, 2015 | Active |
| TECHNOLOGY PUBLISHING COMPANYLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Oct 26, 2015 | Inactive |
| PITTSBURGH TAG SYSTEMS INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Sep 30, 1993 | Inactive |
| MK RAIL CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Corporation | May 10, 1994 | Inactive |
| COMPUTER FRIEND, INC., OF PENNSYLVANIALocation not reported, FL · Inactive | Location not reported, FL | Corporation | Feb 8, 1996 | Inactive |
| COSTRUZIONE BUILDERS, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Jan 10, 2024 | Active |
| INTERTECH SECURITY LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Aug 17, 2007 | Active |
| INTERTECH SECURITY OF FLORIDA, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Nov 17, 2008 | Active |
| FEDORA SECURITY, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Apr 25, 2016 | Active |
| ALLEGHENY CITY REALTY, LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Jan 16, 2018 | Inactive |
| MASCARO CONSTRUCTION COMPANY, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Jun 26, 2026 | Active |
| TRIANGLE FASTENER CORPORATIONLocation not reported, FL · Active | Location not reported, FL | Corporation | Feb 12, 1987 | Active |
| CARDELLO GROUP, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Apr 17, 1990 | Inactive |