| CAMAS CREEK ELECTRIC LLCFoster, OR · Active | Foster, OR | LLC | May 1, 2015 | Active |
| JESSE OAKLEY TRANSPORT, LLCFoster, OR · Active | Foster, OR | LLC | Oct 21, 2015 | Active |
| JS RENTALS, LLCFoster, OR · Active | Foster, OR | LLC | Jul 5, 2016 | Active |
| LAKE POINTE ESTATESFoster, OR · Active | Foster, OR | Nonprofit | Jul 14, 2016 | Active |
| DONNA'S PROFESSIONAL BOOKKEEPING & ACCOUNTINGFoster, OR · Active | Foster, OR | Other | Oct 5, 2016 | Active |
| ARMSTRONG CONTRACT CUTTING LLCFoster, OR · Active | Foster, OR | LLC | Jan 29, 2003 | Active |
| STOKES CONTRACTING LLCFoster, OR · Active | Foster, OR | LLC | Mar 8, 2018 | Active |
| DIAMOND JH, LLCFoster, OR · Active | Foster, OR | LLC | Jun 12, 2018 | Active |
| SANTIAM STRAWBERRY CENTURYFoster, OR · Active | Foster, OR | Nonprofit | Sep 17, 2018 | Active |
| TAGG MOTOR FREIGHT, LLCFoster, OR · Active | Foster, OR | LLC | Jun 12, 2019 | Active |
| FOSTER LAKE RV RESORT LLCFoster, OR · Active | Foster, OR | LLC | May 18, 2020 | Active |
| BROEKES ALL ASPECT CONSTRUCTION LLCFoster, OR · Active | Foster, OR | LLC | Aug 20, 2020 | Active |
| LAKE HILL LAVENDER LLCFoster, OR · Active | Foster, OR | LLC | Jan 19, 2021 | Active |
| AMES EXCAVATION & FABRICATIONFoster, OR · Active | Foster, OR | Other | Apr 1, 2022 | Active |
| STEEL HEAD FABRICATION LLCFoster, OR · Active | Foster, OR | LLC | Apr 6, 2022 | Active |
| DFC PROPERTIES, LLCFoster, OR · Active | Foster, OR | LLC | Jun 3, 2022 | Active |
| STOKES FITNESS LLCFoster, OR · Active | Foster, OR | LLC | Jul 22, 2022 | Active |
| TRASH BANDITS JUNK HAULING, LLCFoster, OR · Active | Foster, OR | LLC | Aug 8, 2022 | Active |
| LIGHTHOUSE FISCAL SOLUTIONSFoster, OR · Active | Foster, OR | Other | Dec 21, 2022 | Active |
| THE DAM BAR LLCFoster, OR · Active | Foster, OR | LLC | Apr 17, 2023 | Active |
| REFORMED LIGHTHOUSE PRESSFoster, OR · Active | Foster, OR | Other | May 2, 2023 | Active |
| BROEKE LANE, LLCFoster, OR · Active | Foster, OR | LLC | Jun 7, 2023 | Active |
| DROGON CONSTRUCTION LLCFoster, OR · Active | Foster, OR | LLC | Nov 6, 2023 | Active |
| GENRIX, LLCFoster, OR · Active | Foster, OR | LLC | Feb 7, 2024 | Active |
| HOTT POPP'N CONCESSIONFoster, OR · Active | Foster, OR | Other | Mar 18, 2024 | Active |
| RUSTY PAGES LLCFoster, OR · Active | Foster, OR | LLC | Feb 11, 2025 | Active |
| CLEANSLATE PRESSURE WASHFoster, OR · Active | Foster, OR | Other | Apr 22, 2025 | Active |
| TENACIOUS Z TRANSPORTFoster, OR · Active | Foster, OR | Other | May 6, 2025 | Active |
| LAKEVIEW FAMILY CARE HOME, LLCFoster, OR · Active | Foster, OR | LLC | Sep 10, 2004 | Active |
| LAKESIDE CONCESSION LLCFoster, OR · Active | Foster, OR | LLC | May 22, 2025 | Active |
| ENDLESSLOREFoster, OR · Active | Foster, OR | Other | Aug 5, 2025 | Active |
| ASCEND CAREER CO.Foster, OR · Active | Foster, OR | Other | Jan 9, 2026 | Active |
| HONEY BEAR BAKING CO. L.L.CFoster, OR · Active | Foster, OR | LLC | Jan 26, 2026 | Active |
| HEN & HEARTH COFoster, OR · Active | Foster, OR | Other | Jan 29, 2026 | Active |
| TIS LLCFoster, OR · Active | Foster, OR | LLC | Feb 17, 2026 | Active |
| POPPIES & POSIES LLCFoster, OR · Active | Foster, OR | LLC | Apr 1, 2026 | Active |
| JG POTTERY LLCFoster, OR · Active | Foster, OR | LLC | Apr 7, 2026 | Active |
| KIRK'S MOBILE AUTO LLCFoster, OR · Active | Foster, OR | LLC | Apr 29, 2026 | Active |
| SIMPLY LIVE LEARN CREATE LLCFoster, OR · Active | Foster, OR | LLC | May 13, 2026 | Active |
| WONDERBLOOMS PRESCHOOLFoster, OR · Active | Foster, OR | Other | May 13, 2026 | Active |
| KIMS KEEPING IT KLEAN LLCFoster, OR · Active | Foster, OR | LLC | Jun 15, 2026 | Active |
| SAY I DO LLCFoster, OR · Active | Foster, OR | LLC | Jul 13, 2026 | Active |
| USA SALES COMPANYFoster, OR · Active | Foster, OR | Other | May 26, 2005 | Active |
| VICTORY FAITH FELLOWSHIPFoster, OR · Active | Foster, OR | Nonprofit | Sep 18, 1992 | Active |
| SANTIAM SPOKES, INC.Foster, OR · Active | Foster, OR | Nonprofit | Aug 17, 2001 | Active |
| ALMA MIX INVESTMENTS, LLCFoster, OR · Active | Foster, OR | LLC | Apr 18, 2006 | Active |
| MARLER INVESTMENTS, LLCFoster, OR · Active | Foster, OR | LLC | Oct 4, 2007 | Active |
| COUNTRY STAR RV PARKFoster, OR · Active | Foster, OR | Other | Jan 7, 1997 | Active |
| CAMP ATTITUDE, OREGON, INC.Foster, OR · Active | Foster, OR | Nonprofit | May 6, 1997 | Active |
| FOSTER LAKE INNFoster, OR · Active | Foster, OR | Other | Feb 25, 2010 | Active |