| ONTARIO AUTO RANCHOntario, OR · Active | Ontario, OR | Other | Feb 16, 2016 | Active |
| MALHEUR COUNTY 4-H ASSOCIATIONOntario, OR · Active | Ontario, OR | Nonprofit | Jan 12, 1977 | Active |
| MCCURRY ONTARIO MOTORS LLCOntario, OR · Active | Ontario, OR | LLC | Feb 19, 2016 | Active |
| CHRISTIAN LIFE FELLOWSHIP, INC.Ontario, OR · Active | Ontario, OR | Nonprofit | Jan 24, 1977 | Active |
| STAR CENTEROntario, OR · Active | Ontario, OR | Nonprofit | Feb 26, 2016 | Active |
| SUN EAGLE FARM, LLCOntario, OR · Active | Ontario, OR | LLC | Mar 7, 2016 | Active |
| TRANSPORT FINANCEOntario, OR · Active | Ontario, OR | Other | Apr 13, 2016 | Active |
| J. RUIZ ENTERPRISES, LLCOntario, OR · Active | Ontario, OR | LLC | Dec 20, 2002 | Active |
| UNDERFIRE INC.Ontario, OR · Active | Ontario, OR | Corporation | Apr 7, 2016 | Active |
| SNAKE RIVER WINDSHIELD LLCOntario, OR · Active | Ontario, OR | LLC | Apr 20, 2016 | Active |
| SNAKE RIVER WINDSHIELDOntario, OR · Active | Ontario, OR | Other | Apr 21, 2016 | Active |
| GUERRERO'S MARKETOntario, OR · Active | Ontario, OR | Other | Apr 22, 2016 | Active |
| BLACK PALOMINO LLCOntario, OR · Active | Ontario, OR | LLC | Apr 26, 2016 | Active |
| EASTERN OREGON HYPNOSISOntario, OR · Active | Ontario, OR | Other | Apr 28, 2016 | Active |
| M R H, INC.Ontario, OR · Active | Ontario, OR | Corporation | May 23, 1977 | Active |
| GARDEN ANSWER LLCOntario, OR · Active | Ontario, OR | LLC | May 10, 2016 | Active |
| ENGINEERING NORTHWEST, LLCOntario, OR · Active | Ontario, OR | LLC | May 17, 2016 | Active |
| C.C. APIARIES CABALLEROOntario, OR · Active | Ontario, OR | Other | Jun 2, 2016 | Active |
| SNAKE RIVER VALLEY EAA CHAPTER #837Ontario, OR · Active | Ontario, OR | Nonprofit | Jun 7, 2016 | Active |
| PANADERIA ESTRELLA, LLCOntario, OR · Active | Ontario, OR | LLC | Jun 17, 2016 | Active |
| CORNERSTONE COMMUNITY CHURCH OF ONTARIO, INC.Ontario, OR · Active | Ontario, OR | Nonprofit | Aug 25, 1977 | Active |
| KZ INVESTMENTS LLCOntario, OR · Active | Ontario, OR | LLC | Jul 12, 2016 | Active |
| SAGE RIDGE PLACE HOA, INC.Ontario, OR · Active | Ontario, OR | Nonprofit | Jul 12, 2016 | Active |
| GW AND SONS, LLCOntario, OR · Active | Ontario, OR | LLC | Jul 13, 2016 | Active |
| 10 FELLAS LLCOntario, OR · Active | Ontario, OR | LLC | Jul 15, 2016 | Active |
| AVIDITY LLCOntario, OR · Active | Ontario, OR | LLC | Aug 23, 2016 | Active |
| NEXGEN LOGISTICS, LLCOntario, OR · Active | Ontario, OR | LLC | Sep 6, 2016 | Active |
| SEGRETO LLCOntario, OR · Active | Ontario, OR | LLC | Sep 8, 2016 | Active |
| ROADRUNNER TOWING, INC.Ontario, OR · Active | Ontario, OR | Corporation | Nov 21, 1977 | Active |
| OITS, INC.Ontario, OR · Active | Ontario, OR | Corporation | Dec 5, 1977 | Active |
| ROMERO SOLUTIONSOntario, OR · Active | Ontario, OR | Other | Oct 20, 2016 | Active |
| ALBERT CHRISTIANI CONSTRUCTION LLCOntario, OR · Active | Ontario, OR | LLC | Oct 17, 2016 | Active |
| NANETTE COX LLCOntario, OR · Active | Ontario, OR | LLC | Oct 18, 2016 | Active |
| DOUBLE J BORDER COLLIESOntario, OR · Active | Ontario, OR | Other | Feb 8, 2003 | Active |
| TREASURE VALLEY PARAMEDICSOntario, OR · Active | Ontario, OR | Other | Oct 28, 2016 | Active |
| OREGON TRAIL MENNONITE CHURCH, INC.Ontario, OR · Active | Ontario, OR | Nonprofit | Nov 3, 2016 | Active |
| SHEBA HOLDINGS, LLCOntario, OR · Active | Ontario, OR | LLC | Nov 8, 2016 | Active |
| HD TOWING, LLCOntario, OR · Active | Ontario, OR | LLC | Nov 18, 2016 | Active |
| SNJ ONLINE LLCOntario, OR · Active | Ontario, OR | LLC | Nov 23, 2016 | Active |
| LIGHTBRIDGE ORGANICS LLCOntario, OR · Active | Ontario, OR | LLC | Nov 30, 2016 | Active |
| ONTARIO INNOntario, OR · Active | Ontario, OR | Other | Dec 6, 2016 | Active |
| R&R SEED FARMS, INC.Ontario, OR · Active | Ontario, OR | Corporation | Dec 16, 2016 | Active |
| LEON'S PUMPS, LLCOntario, OR · Active | Ontario, OR | LLC | Dec 28, 2016 | Active |
| BRIAN K. HALCOM INSURANCE AGENCY, INC.Ontario, OR · Active | Ontario, OR | Corporation | Jan 4, 2017 | Active |
| COOL BREEZE HOLDINGS LLCOntario, OR · Active | Ontario, OR | LLC | Dec 22, 2016 | Active |
| ARCADIA VALLEY FARMS, LLCOntario, OR · Active | Ontario, OR | LLC | Dec 23, 2016 | Active |
| EAGLECAP TRANSPORT LLCOntario, OR · Active | Ontario, OR | LLC | Dec 27, 2016 | Active |
| LANDS END OIL AND GAS LLCOntario, OR · Active | Ontario, OR | LLC | Jan 11, 2017 | Active |
| COULTER, INC.Ontario, OR · Active | Ontario, OR | Corporation | Jan 18, 2017 | Active |
| FOUR STAR REAL ESTATE P.C.Ontario, OR · Active | Ontario, OR | Corporation | Feb 22, 2017 | Active |