| Sampson County Livestock Development Assn., Inc. | — | 0128633 | 1958-02-14 | Active | Clinton |
| Sampson County Medical Society Auxiliary, Inc. | — | 0278106 | 1990-11-08 | Active | Clinton |
| Sampson County Pathologists, P. a. | — | 0128641 | 1978-04-05 | Dissolved | Clinton |
| Sampson County Post No. 7547, Veterans of Foreign Wars of the United States, Incorporated | — | 0128647 | 1950-04-12 | Active | Clinton |
| Sampson County Recyclers, Inc. | — | 0255717 | 1989-09-19 | | Clinton |
| Sampson County Schools Arts Advisory Council, Inc. | — | 0267043 | 1990-04-06 | Active | Clinton |
| Sampson County Sports Club, Inc. | — | 0626598 | 2002-04-10 | Active | Clinton |
| Sampson County Sports Hall of Fame, Inc. | — | 0669714 | 2003-03-31 | Active | Clinton |
| Sampson County Transportation Advisory Board, Inc. | — | 0128649 | 1981-08-19 | Active | Clinton |
| Sampson County Veteran's Council Inc. | — | 1575200 | 2017-02-17 | Active | Clinton |
| Sampson County Watermelon Cooperative, Inc. | — | 0128653 | 1982-08-24 | Suspended | Clinton |
| Sampson County-NC Severe Weather Group, Inc. | — | 1951660 | 2020-02-18 | Active | Clinton |
| Sampson Development Corporation | — | 0318490 | 1993-01-12 | Active | Clinton |
| Sampson Freight Inc | — | 1986877 | 2020-05-22 | Dissolved | Clinton |
| Sampson Furniture Company, Incorporated | — | 0214998 | 1987-09-14 | | Clinton |
| Sampson Green Energy, LLC | — | 1142591 | 2010-03-31 | Dissolved | Clinton |
| Sampson Habitat for Humanity Inc. | — | 0278537 | 1990-11-20 | Dissolved | Clinton |
| Sampson Haven, Incorporated | — | 0282334 | 1991-01-31 | Active | Clinton |
| Sampson Health Care Facilities, Inc. | — | 0128749 | 1974-01-04 | Dissolved | Clinton |
| Sampson High School Alumni Association, Incorporated | — | 0128753 | 1973-08-29 | Active | Clinton |
| Sampson High School Alumni Housing, Incorporated | — | 0299239 | 1992-01-13 | Active | Clinton |
| Sampson Industrial Corporation | — | 0128783 | 1961-02-28 | Active | Clinton |
| Sampson Insurance Agency, Inc. | — | 0128786 | 1981-09-08 | | Clinton |
| Sampson Internal Medicine, P.a. | — | 0128791 | 1980-01-14 | Suspended | Clinton |
| Sampson Investment Company | — | 0128793 | 1956-05-30 | Dissolved | Clinton |
| Sampson Land Corporation | — | 0277967 | 1990-11-06 | | Clinton |
| Sampson Male Mentoring Association | — | 1068252 | 2008-10-21 | Active | Clinton |
| Sampson Manufacturing Co., Inc. | — | 0128803 | 1983-12-30 | | Clinton |
| Sampson Medical Education Foundation | — | 0128806 | 1981-10-28 | Active | Clinton |
| Sampson Middle School PTSO | — | 0769425 | 2005-02-28 | Active | Clinton |
| Sampson OBGYN, P.A. | — | 0755299 | 2004-12-06 | Dissolved | Clinton |
| Sampson Poultry Association | — | 0128807 | 1963-04-05 | Active | Clinton |
| Sampson Produce Company, Inc. | — | 0128810 | 1966-11-28 | Dissolved | Clinton |
| Sampson Property Management, LLC | — | 2135073 | 2021-02-18 | Active | Clinton |
| Sampson Radiology Services, LLC | — | 1051110 | 2008-06-27 | Active | Clinton |
| Sampson Radiology, P.a. | — | 0030118 | 1979-04-09 | Suspended | Clinton |
| Sampson Ramp Ministry Inc | — | 3370113 | 2026-09-01 | Active | Clinton |
| Sampson Realty Group LLC | — | 3172175 | 2025-11-17 | Active | Clinton |
| Sampson Regional Cancer Center, LLC | — | 0804251 | 2005-09-23 | Dissolved | Clinton |
| Sampson Regional Diagnostic Center, LLC | — | 0765318 | 2005-02-08 | Active | Clinton |
| Sampson Regional Emergency Professional Services, LLC | — | 1643993 | 2017-12-11 | Active | Clinton |
| Sampson Regional Hospitalists, LLC | — | 1139609 | 2010-03-08 | Active | Clinton |
| Sampson Regional Medical Center Foundation, Inc. | — | 0290117 | 1991-07-01 | Active | Clinton |
| Sampson Regional Medical Center, Incorporated | — | 0128635 | 1949-11-21 | Active | Clinton |
| Sampson Regional Medical Services, LLC | — | 0878349 | 2006-11-21 | Active | Clinton |
| Sampson Regional Professional Services, LLC | — | 1099460 | 2009-05-27 | Active | Clinton |
| Sampson Regional Specialty Care, LLC | — | 2985977 | 2025-02-06 | Active | Clinton |
| Sampson Review, Inc. | — | 0195620 | 1986-09-22 | | Clinton |
| Sampson Safety Products, Inc. | — | 0128812 | 1959-11-10 | Dissolved | Clinton |
| Sampson Salvage Company | — | 0128819 | 1962-11-02 | Active | Clinton |