| KOCH ENERGY SERVICES, LLCLocation not reported, CT · Active | Location not reported, CT | LLC | Jul 25, 2017 | Active |
| INV PERFORMANCE MATERIALS, LLCLocation not reported, CT · Active | Location not reported, CT | LLC | Sep 29, 2020 | Active |
| INV NYLON CHEMICALS AMERICAS, LLCLocation not reported, CT · Active | Location not reported, CT | LLC | Sep 30, 2020 | Active |
| INV Polypropylene, LLCLocation not reported, CT · Active | Location not reported, CT | LLC | Jul 11, 2022 | Active |
| Koch Specialty Plant Services, LLCLocation not reported, CT · Active | Location not reported, CT | LLC | Apr 10, 2023 | Active |
| HAMWORTH PEABODY COMBUSTION INC.Location not reported, OR · Active | Location not reported, OR | Corporation | May 11, 2015 | Active |
| COEN COMPANY, INC.Location not reported, OR · Active | Location not reported, OR | Corporation | May 13, 2015 | Active |
| CATAPULT, LLCLocation not reported, OR · Active | Location not reported, OR | LLC | Jul 7, 2015 | Active |
| KS&T/GP, LLCLocation not reported, OR · Active | Location not reported, OR | LLC | Mar 19, 2003 | Active |
| INV NYLON CHEMICALS AMERICAS, LLCLocation not reported, OR · Active | Location not reported, OR | LLC | Sep 28, 2020 | Active |
| INV PERFORMANCE MATERIALS, LLCLocation not reported, OR · Active | Location not reported, OR | LLC | Sep 30, 2020 | Active |
| INV PERFORMANCE SURFACES, LLCLocation not reported, OR · Active | Location not reported, OR | LLC | Nov 23, 2020 | Active |
| KOCH SPECIALTY PLANT SERVICES, LLCLocation not reported, OR · Active | Location not reported, OR | LLC | Jan 5, 2021 | Active |
| MLX WORLDWIDE INVESTMENTS, LLCLocation not reported, OR · Active | Location not reported, OR | LLC | Apr 15, 2022 | Active |
| SYNDEO OUTSOURCING, LLCLocation not reported, OR · Active | Location not reported, OR | LLC | Aug 3, 2023 | Active |
| SYNDEO OUTSOURCING II LLCLocation not reported, OR · Active | Location not reported, OR | LLC | Aug 3, 2023 | Active |
| KOCH CAPABILITIES, LLCLocation not reported, OR · Active | Location not reported, OR | LLC | Oct 5, 2023 | Active |
| WORDS ETC PUBLIC BENEFIT CORPORATIONLocation not reported, OR · Active | Location not reported, OR | Corporation | Apr 24, 2025 | Active |
| RUSHMORE LABS, LLCLocation not reported, OR · Active | Location not reported, OR | LLC | Nov 5, 2025 | Active |
| NATIONAL OPINION INSTITUTE, LLCLocation not reported, OR · Active | Location not reported, OR | LLC | Nov 6, 2025 | Active |
| FOCUS MORTGAGE, INC.Location not reported, OR · Active | Location not reported, OR | Corporation | Apr 9, 2026 | Active |
| WEVETT HOME LOANSLocation not reported, OR · Active | Location not reported, OR | Other | May 4, 2026 | Active |
| FHR/GP, LLCLocation not reported, OR · Active | Location not reported, OR | LLC | Jun 16, 1995 | Active |
| KOCH GOVERNMENT AFFAIRS, LLCLocation not reported, OR · Active | Location not reported, OR | LLC | Nov 7, 2008 | Active |
| KOCH METHANOL, LLCLocation not reported, OR · Active | Location not reported, OR | LLC | Jan 11, 2010 | Active |
| KOCH ENERGY SERVICES, LLCLocation not reported, OR · Active | Location not reported, OR | LLC | Feb 1, 2011 | Active |
| KOCH AGRONOMIC SERVICES, LLCLocation not reported, OR · Active | Location not reported, OR | LLC | Feb 16, 2011 | Active |
| FIVE FLAGS PIPE LINE COMPANYLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Mar 2, 1972 | Inactive |
| KOCH FUELS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Apr 25, 1968 | Inactive |
| KOCH PROPERTIES, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Sep 21, 1982 | Inactive |
| KOCH SUPPLY & TRADING, LPLocation not reported, FL · Active | Location not reported, FL | Partnership | Oct 11, 2001 | Active |
| KOCH-GLITSCH, LPLocation not reported, FL · Active | Location not reported, FL | Partnership | Apr 8, 2002 | Active |
| KOCH BUSINESS SOLUTIONS, LPLocation not reported, FL · Inactive | Location not reported, FL | Partnership | Apr 11, 2008 | Inactive |
| KCTG HOLDINGS, LPLocation not reported, FL · Inactive | Location not reported, FL | Partnership | May 18, 2015 | Inactive |
| FLINT HILLS RESOURCES, LPLocation not reported, FL · Active | Location not reported, FL | Partnership | Jul 14, 1995 | Active |
| KOCH PIPELINE COMPANY LIMITED PARTNERSHIPLocation not reported, FL · Inactive | Location not reported, FL | Partnership | Apr 23, 1996 | Inactive |
| KOCH PERFORMANCE ROADS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jan 11, 2002 | Inactive |
| PERFORMANCE ROADS DESIGN, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jan 14, 2002 | Inactive |
| REGIONAL INSURANCE SERVICE COMPANY, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Feb 4, 2002 | Inactive |
| INVISTA FIELD MARKETING COMPANYLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Apr 16, 2003 | Inactive |
| CONTINENTAL AMERICAN CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Jun 23, 2006 | Inactive |
| MATADOR SECURITY COMPANY, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | May 16, 2014 | Active |
| HAMWORTHY PEABODY COMBUSTION INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | May 11, 2015 | Inactive |
| FOCUS MORTGAGE, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Sep 12, 2025 | Active |
| KOCH SEPARATION SOLUTIONS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | May 12, 1993 | Inactive |
| KOCH GP SERVICES, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Aug 9, 1993 | Inactive |
| KOCH ENERGY TRADING, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Mar 3, 1994 | Inactive |
| KOCH TRANSPORTATION SERVICE, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Mar 22, 1994 | Inactive |
| KOCH MATERIALS COMPANYLocation not reported, FL · Inactive | Location not reported, FL | Corporation | May 18, 1994 | Inactive |
| KOCH OIL COMPANYLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Jan 31, 1995 | Inactive |