| CAROLINA BIOLOGICAL SUPPLY COMPANYLocation not reported, CT · Active | Location not reported, CT | Corporation | Jan 27, 2004 | Active |
| SUPERIOR PERFORMERS, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Feb 26, 2004 | Withdrawn |
| CHILTERN INTERNATIONAL, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jun 13, 2005 | Withdrawn |
| TAPCO UNDERWRITERS, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jan 6, 2009 | Withdrawn |
| ESOTERIX GENETIC LABORATORIES, LLCLocation not reported, CT · Active | Location not reported, CT | LLC | Nov 3, 2010 | Active |
| BEACON LABORATORY BENEFIT SOLUTIONS, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Feb 24, 2011 | Withdrawn |
| DNA:SI LABS, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Jul 1, 2011 | Revoked |
| TMI SERVICES, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Feb 3, 2012 | Revoked |
| W. E. LOVE & ASSOCIATES, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jul 17, 2015 | Withdrawn |
| BRENTON GREY COMPANY, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Aug 3, 2015 | Active |
| W. E. LOVE & ASSOCIATES, LLCLocation not reported, CT · Withdrawn | Location not reported, CT | LLC | May 31, 2018 | Withdrawn |
| LABCORP STAFFING SOLUTIONS, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Dec 9, 2019 | Active |
| ESOTERIX, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Aug 11, 2021 | Active |
| NATIONAL ONDEMAND, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Oct 15, 2021 | Active |
| SUPERIOR PERFORMERS, LLCLocation not reported, CT · Active | Location not reported, CT | LLC | Jun 2, 2022 | Active |
| LABCORP EMPLOYER SERVICES, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Oct 24, 2022 | Active |
| Genesis Lighting Company LLC 1Location not reported, CT · Active | Location not reported, CT | LLC | Dec 17, 2025 | Active |
| ASSURE RE INTERMEDIARIES, INC.Location not reported, NY · Active | Location not reported, NY | Corporation | Apr 5, 2012 | Active |
| LABORATORY CORPORATION OF AMERICALocation not reported, OR · Active | Location not reported, OR | Corporation | Feb 22, 1988 | Active |
| LABCORP STAFFING SOLUTIONS, INC.Location not reported, OR · Active | Location not reported, OR | Corporation | Dec 9, 2019 | Active |
| LABCORP EMPLOYER SERVICES, INC.Location not reported, OR · Active | Location not reported, OR | Corporation | Jan 14, 2020 | Active |
| TATRA SOLUTIONS, INC.Location not reported, OR · Active | Location not reported, OR | Corporation | Sep 16, 2024 | Active |
| NATIONAL ONDEMAND, INC.Location not reported, OR · Active | Location not reported, OR | Corporation | Oct 24, 2024 | Active |
| LABCORP HOLDINGS INC.Location not reported, OR · Active | Location not reported, OR | Corporation | Jul 16, 2025 | Active |
| AMERICAN RESPIRATORY LABORATORIES, INC.Location not reported, OR · Active | Location not reported, OR | Corporation | Aug 28, 2026 | Active |
| ARL CARDIOPULMONARY DIAGNOSTICSLocation not reported, OR · Active | Location not reported, OR | Other | Aug 28, 2026 | Active |
| LABORATORY CORPORATION OF AMERICA HOLDINGSLocation not reported, OR · Active | Location not reported, OR | Corporation | Jul 5, 1995 | Active |
| DIANON SYSTEMS, INC.Location not reported, OR · Active | Location not reported, OR | Corporation | Apr 3, 2002 | Active |
| TRIPATH IMAGING, INC.Location not reported, OR · Active | Location not reported, OR | Corporation | Jun 21, 2000 | Active |
| REMNANT SHOPS OF FLORIDA INCLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Oct 16, 1957 | Inactive |
| TOP CONSTRUCTION COMPANY INCLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Oct 5, 1960 | Inactive |
| ASHUR INDUSTRIES, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Feb 25, 1975 | Inactive |
| LORAC ENTERPRISES, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Dec 29, 1978 | Inactive |
| RAY-J, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Apr 22, 1968 | Inactive |
| PENN GENERAL ACCEPTANCE CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Jun 30, 1971 | Inactive |
| BIOMEDICAL REFERENCE LABORATORIES, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Dec 12, 1973 | Inactive |
| LABORATORY CORPORATION OF AMERICALocation not reported, FL · Active | Location not reported, FL | Corporation | Jan 21, 1975 | Active |
| 3CM, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Dec 31, 1980 | Inactive |
| ROCHE BIOMEDICAL LABORATORIES, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | May 28, 1982 | Inactive |
| SOMERS-PARDUE REALTY SERVICES, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Aug 27, 1982 | Inactive |
| ALLIED CLINICAL LABORATORIES, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Oct 7, 1983 | Inactive |
| SOUTHERN CONVENIENCE PARTNERS LIMITEDLocation not reported, FL · Inactive | Location not reported, FL | Partnership | Aug 11, 1982 | Inactive |
| AMWINS TRANSPORTATION UNDERWRITERS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Mar 13, 2000 | Inactive |
| TRIPATH IMAGING, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Jun 21, 2000 | Active |
| MEDTOX DIAGNOSTICS, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Nov 20, 2000 | Active |
| DYNACARE LABORATORIES INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Nov 2, 2001 | Inactive |
| CELLMARK FORENSICS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | May 10, 2002 | Inactive |
| CAMCOR, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Jul 24, 2003 | Active |
| CHILTERN INTERNATIONAL, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Aug 6, 2003 | Inactive |
| ESOTERIX, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Jun 10, 2004 | Active |