| BLADE DOWN, LLCJohn Day, OR · Active | John Day, OR | LLC | Sep 8, 2023 | Active |
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| RED DOOR RENTALS, LLCJohn Day, OR · Active | John Day, OR | LLC | Nov 28, 2023 | Active |
| JOHN DAY GOLF CLUB, INC.John Day, OR · Active | John Day, OR | Nonprofit | Oct 3, 1990 | Active |
| MOLLY DOG LLCJohn Day, OR · Active | John Day, OR | LLC | Dec 21, 2023 | Active |
| FRONTIER POINT SJohn Day, OR · Active | John Day, OR | Other | Jan 3, 2024 | Active |
| STINER ENTERPRISES LLCJohn Day, OR · Active | John Day, OR | LLC | Jan 20, 2024 | Active |
| WINEGAR CONTRACTING LLCJohn Day, OR · Active | John Day, OR | LLC | Jan 23, 2024 | Active |
| GRANT COUNTY FOOD PANTRYJohn Day, OR · Active | John Day, OR | Nonprofit | Feb 16, 2024 | Active |
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| JEANETTE M RADINOVICH STATE FARM INSURANCEJohn Day, OR · Active | John Day, OR | Other | Apr 18, 2024 | Active |
| JDRVC PROPERTY LLCJohn Day, OR · Active | John Day, OR | LLC | Apr 26, 2024 | Active |
| EAST MAIN DITCH DISTRICT IMPROVEMENT COMPANYJohn Day, OR · Active | John Day, OR | Nonprofit | Jun 18, 2024 | Active |
| LADIES OF ST ELIZABETHJohn Day, OR · Active | John Day, OR | Other | May 14, 2024 | Active |
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| ELKHORN CABINS & STORAGE LLCJohn Day, OR · Active | John Day, OR | LLC | Jul 9, 2024 | Active |
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| MO'S BEST PRICE CIGARETTESJohn Day, OR · Active | John Day, OR | Other | Oct 11, 2024 | Active |
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| TIMBER'S BISTROJohn Day, OR · Active | John Day, OR | Other | Nov 15, 2024 | Active |
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| VICTORIAN LANE BED AND BREAKFASTJohn Day, OR · Active | John Day, OR | Other | Jan 10, 2025 | Active |
| SOLUTIONS PROPERTIES LLCJohn Day, OR · Active | John Day, OR | LLC | Jan 14, 2025 | Active |
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| MHM RENTALS LLCJohn Day, OR · Active | John Day, OR | LLC | Mar 17, 2025 | Active |
| THE FLOOR STOREJohn Day, OR · Active | John Day, OR | Other | Aug 31, 2004 | Active |
| DAVID BARNTISHJohn Day, OR · Active | John Day, OR | Other | Apr 22, 2025 | Active |
| TOM'S OIL CHANGE LLCJohn Day, OR · Active | John Day, OR | LLC | Apr 29, 2025 | Active |
| DANIEL BROWN CONSULTING SERVICES, LLCJohn Day, OR · Active | John Day, OR | LLC | May 1, 2025 | Active |
| PICNIC CREEK RANCH LLCJohn Day, OR · Active | John Day, OR | LLC | Sep 10, 2004 | Active |
| ENTERPRISE DITCH DISTRICT IMPROVEMENT COMPANYJohn Day, OR · Active | John Day, OR | Nonprofit | May 21, 2025 | Active |
| I. T. LOGGING, INC.John Day, OR · Active | John Day, OR | Corporation | Apr 1, 1991 | Active |
| RAYS OF HOPE COUNSELING LLCJohn Day, OR · Active | John Day, OR | LLC | Jun 9, 2025 | Active |
| MOTHER NATURE'S DESIGNED ARTJohn Day, OR · Active | John Day, OR | Other | May 29, 2025 | Active |
| GRANT COUNTY ENTERPRISE DITCH DISTRICT IMPROVEMENT COMPANYJohn Day, OR · Active | John Day, OR | Nonprofit | Jun 17, 2025 | Active |
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| MK MOMENTSJohn Day, OR · Active | John Day, OR | Other | Aug 14, 2025 | Active |
| BUGLE BAR AND GRILL LLCJohn Day, OR · Active | John Day, OR | LLC | Aug 29, 2025 | Active |
| SUMMIT FERN PERMANENT JEWELRY LLCJohn Day, OR · Active | John Day, OR | LLC | Sep 9, 2025 | Active |
| M A MINIMARTJohn Day, OR · Active | John Day, OR | Other | Sep 11, 2025 | Active |