| ATHENA MAINSTREET ASSOCIATIONAthena, OR · Active | Athena, OR | Nonprofit | Mar 18, 2014 | Active |
| RICK FRESTON STABLES, LLCAthena, OR · Active | Athena, OR | LLC | Oct 9, 2014 | Active |
| SACRED HEART CATHOLIC CHURCH OF ATHENA, INC.Athena, OR · Active | Athena, OR | Nonprofit | Oct 8, 2002 | Active |
| WHITACRE FARMS, LLCAthena, OR · Active | Athena, OR | LLC | Jan 15, 2015 | Active |
| WESTON-MCEWEN BOOSTER CLUBAthena, OR · Active | Athena, OR | Nonprofit | Mar 5, 2015 | Active |
| S & C FARMS, INC.Athena, OR · Active | Athena, OR | Corporation | Jan 2, 1976 | Active |
| C&C TARPS LLCAthena, OR · Active | Athena, OR | LLC | Dec 30, 2015 | Active |
| MARIE J. CAIN, LLCAthena, OR · Active | Athena, OR | LLC | Feb 29, 2016 | Active |
| JOHNS RANCH, INC.Athena, OR · Active | Athena, OR | Corporation | May 13, 1977 | Active |
| SHEARD FARM LLCAthena, OR · Active | Athena, OR | LLC | Aug 30, 2016 | Active |
| ATHENA CONVENIENCE STORE, LLCAthena, OR · Active | Athena, OR | LLC | Dec 9, 2016 | Active |
| J&J WEIDERT, INCAthena, OR · Active | Athena, OR | Corporation | Dec 12, 2016 | Active |
| R-D JOHNS FARM, INC.Athena, OR · Active | Athena, OR | Corporation | Dec 16, 1985 | Active |
| WINDING RIVER BBQ LLCAthena, OR · Active | Athena, OR | LLC | Jan 17, 2017 | Active |
| WALLOWA RIVERSANDAthena, OR · Active | Athena, OR | Other | Jan 17, 2017 | Active |
| EAST UMATILLA COUNTY AMBULANCE AREA HEALTH DISTRICTAthena, OR · Active | Athena, OR | Other | Mar 15, 2017 | Active |
| SUNNY COVE RANCHES, INC.Athena, OR · Active | Athena, OR | Corporation | Nov 1, 1979 | Active |
| DUNLAP IRRIGATIONAthena, OR · Active | Athena, OR | Other | May 14, 2018 | Active |
| ATHENA BAPTIST FOUNDATION, INCAthena, OR · Active | Athena, OR | Nonprofit | Jul 3, 1980 | Active |
| BAILEY BULLS, LLCAthena, OR · Active | Athena, OR | LLC | Sep 27, 2018 | Active |
| SANFORD & SON LLCAthena, OR · Active | Athena, OR | LLC | May 1, 2019 | Active |
| ATHENA WESTON YOUTH SPORTSAthena, OR · Active | Athena, OR | Nonprofit | May 2, 2019 | Active |
| HUMBERT REFUSEAthena, OR · Active | Athena, OR | Other | May 30, 2019 | Active |
| ZERBA RANCHES, INC.Athena, OR · Active | Athena, OR | Corporation | Apr 12, 1982 | Active |
| RIO BRAVO CATTLE COMPANY LLCAthena, OR · Active | Athena, OR | LLC | Dec 26, 2019 | Active |
| CALVERT CONSULTING LLCAthena, OR · Active | Athena, OR | LLC | Jan 13, 2021 | Active |
| W4 FARMINGAthena, OR · Active | Athena, OR | Other | Apr 8, 2021 | Active |
| ROGERS DESIGN CO.Athena, OR · Active | Athena, OR | Other | May 4, 2021 | Active |
| BAILEY & COAthena, OR · Active | Athena, OR | Other | Sep 13, 2021 | Active |
| CALVERT'S SUGAR SHACK LLCAthena, OR · Active | Athena, OR | LLC | Nov 18, 2021 | Active |
| RUDOLPH VENTURES COAthena, OR · Active | Athena, OR | Corporation | Mar 16, 2022 | Active |
| ATHENA BAPTIST CHURCHAthena, OR · Active | Athena, OR | Nonprofit | Dec 12, 1891 | Active |
| WILD ROAN MERCANTILEAthena, OR · Active | Athena, OR | Other | Apr 14, 2022 | Active |
| GOLDEN PINE DESIGNSAthena, OR · Active | Athena, OR | Other | May 19, 2022 | Active |
| GROSS FAMILY FARM, LLCAthena, OR · Active | Athena, OR | LLC | Aug 1, 2022 | Active |
| E.L.K. CONTRACTING, LLCAthena, OR · Active | Athena, OR | LLC | Sep 2, 2022 | Active |
| JACK EZELL CONSTRUCTIONAthena, OR · Active | Athena, OR | Other | Jan 24, 2023 | Active |
| FROESE LLCAthena, OR · Active | Athena, OR | LLC | Mar 2, 2023 | Active |
| THE KODIAK KID COLLECTIVE LLCAthena, OR · Active | Athena, OR | LLC | Mar 24, 2023 | Active |
| OREGON HUNTER EDUCATION INSTRUCTOR'S ASSOCIATION, INC.Athena, OR · Active | Athena, OR | Nonprofit | Jul 18, 1990 | Active |
| KING HAY CARRIERS LLCAthena, OR · Active | Athena, OR | LLC | May 25, 2023 | Active |
| BLAQMEAD LLCAthena, OR · Active | Athena, OR | LLC | Jun 12, 2023 | Active |
| REEDS LANDSCAPING & CONSTRUCTION LLCAthena, OR · Active | Athena, OR | LLC | Nov 13, 2023 | Active |
| BASKET MOUNTAIN BOUTIQUE, LLCAthena, OR · Active | Athena, OR | LLC | Jan 3, 2024 | Active |
| ATHENA GROCERY STOREAthena, OR · Active | Athena, OR | Other | Feb 29, 2024 | Active |
| NORTH SKY RANCHAthena, OR · Active | Athena, OR | Other | Jun 11, 2001 | Active |
| ST CONSULTANT, LLCAthena, OR · Active | Athena, OR | LLC | Mar 22, 2024 | Active |
| SMALLEY'S EQUIPMENT LLCAthena, OR · Active | Athena, OR | LLC | May 9, 2024 | Active |
| JAMEY HARLEY WELDING/TRUCKING LLCAthena, OR · Active | Athena, OR | LLC | May 10, 2024 | Active |
| ONSATT LLCAthena, OR · Active | Athena, OR | LLC | May 14, 2024 | Active |