| ALTAR TOPCP, INC.Location not reported, OR · Active | Location not reported, OR | Corporation | Oct 26, 2022 | Active |
| HARTE HANKS, INC.Location not reported, OR · Active | Location not reported, OR | Corporation | Aug 13, 2025 | Active |
| HARTE-HANKS STS, INC.Location not reported, OR · Active | Location not reported, OR | Corporation | Aug 14, 2025 | Active |
| ZOLL MEDICAL CORPORATIONLocation not reported, OR · Active | Location not reported, OR | Corporation | Jan 23, 2026 | Active |
| THE RETEC GROUP, INC.Location not reported, OR · Active | Location not reported, OR | Corporation | Jun 10, 1997 | Active |
| AMAG TECHNOLOGY SOFTWARE SOLUTIONS LLCLocation not reported, OR · Active | Location not reported, OR | LLC | Jan 5, 2012 | Active |
| BULL HN INFORMATION SYSTEMS INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Sep 22, 1970 | Inactive |
| AECOM C&E, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Oct 9, 1974 | Active |
| ACCUTEST CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Dec 18, 1979 | Inactive |
| ZOLL MEDICAL CORPORATIONLocation not reported, FL · Active | Location not reported, FL | Corporation | Jun 11, 2001 | Active |
| THERMO DETECTION INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | May 16, 2002 | Inactive |
| 3D RESEARCH CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Mar 28, 2003 | Inactive |
| BRIX NETWORKS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Sep 23, 2005 | Inactive |
| SIGMA ALPHA LAMBDA, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Oct 14, 2005 | Inactive |
| HARTE-HANKS RESPONSE MANAGEMENT/AUSTIN, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Jul 3, 2007 | Active |
| SEAPORT FISH COMPANYLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Jan 16, 2008 | Inactive |
| WATERMARK ENVIRONMENTAL, INCORPORATEDLocation not reported, FL · Active | Location not reported, FL | Corporation | Mar 3, 2010 | Active |
| KRONOS TALENT MANAGEMENT INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Apr 19, 2010 | Inactive |
| KEWILL INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Aug 22, 2011 | Inactive |
| HARTE-HANKS STRATEGIC MARKETING, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jan 17, 2012 | Inactive |
| HITTITE MICROWAVE CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Jul 24, 2012 | Inactive |
| SRS MEDICAL SYSTEMS, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Aug 28, 2012 | Active |
| HARTE-HANKS STS, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Jan 15, 2014 | Active |
| ASAHI KASEI PHARMA AMERICA CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Aug 27, 2015 | Inactive |
| AXIS COMMUNICATIONS, INC. OF MASSACHUSETTSLocation not reported, FL · Active | Location not reported, FL | Corporation | Oct 15, 2015 | Active |
| TUBE INCORPORATEDLocation not reported, FL · Active | Location not reported, FL | Corporation | May 8, 2020 | Active |
| MONUMENT MORTGAGE COMPANY, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Nov 30, 2020 | Active |
| WAGNER GENERAL ELECTRIC, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Apr 29, 2022 | Active |
| ALTAR TOPCO, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Oct 24, 2022 | Active |
| JETSWEEP HOLDINGS INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Sep 18, 2023 | Active |
| BY APPOINTMENT ONLY, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Dec 21, 2023 | Inactive |
| VALUE MORTGAGE CORPORATIONLocation not reported, FL · Active | Location not reported, FL | Corporation | Mar 27, 2024 | Active |
| ABRIDGE INFO SYSTEMS INCLocation not reported, FL · Active | Location not reported, FL | Corporation | May 28, 2025 | Active |
| HARTE HANKS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Aug 12, 2025 | Inactive |
| HARTE-HANKS DIRECT, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Aug 12, 2025 | Inactive |
| THERMEDICS DETECTION INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Aug 23, 1993 | Inactive |
| NEOPRINT, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jul 20, 1995 | Inactive |
| POINT TO POINT NEW ENGLAND, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Apr 16, 1996 | Inactive |
| SCHAFER CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Jul 1, 1996 | Inactive |
| PRI AUTOMATION, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Oct 1, 1996 | Inactive |
| WHISTLER CORPORATION OF MASSACHUSETTSLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Mar 19, 1997 | Inactive |
| THERMO ORION INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Dec 19, 1997 | Active |
| AXIS COMMUNICATIONS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Nov 19, 1998 | Inactive |
| K & C CITRUS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Apr 27, 1989 | Inactive |
| ABC, LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | May 20, 2004 | Inactive |
| MURIEL AVENUE, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Jan 24, 2006 | Active |
| WATERMILL GROUP LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Feb 22, 2006 | Inactive |
| GAI MACHINE, LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | May 9, 2006 | Inactive |
| ROYAL VIEW REALTY, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Aug 15, 2006 | Active |
| WORLDWIDE DIGITAL ADVERTISING LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Mar 6, 2009 | Inactive |