| UNION SANITATION SERVICEUnion, OR · Active | Union, OR | Other | May 20, 2009 | Active |
| CREATIVE RESOURCE SOLUTIONS, L.L.C.Union, OR · Active | Union, OR | LLC | Jan 9, 1998 | Active |
| STEPHENS' FOREST LLCUnion, OR · Active | Union, OR | LLC | Aug 21, 2009 | Active |
| SOUTH COUNTY HEALTH DISTRICTUnion, OR · Active | Union, OR | Nonprofit | Sep 22, 2009 | Active |
| G-W INVESTMENTSUnion, OR · Active | Union, OR | Other | Oct 27, 2009 | Active |
| TRIANGLE BAR CO LLCUnion, OR · Active | Union, OR | LLC | Dec 7, 2009 | Active |
| HULDEN LAND CO LLCUnion, OR · Active | Union, OR | LLC | Dec 7, 2009 | Active |
| G-KNEE'S CUSTOM CLEANINGUnion, OR · Active | Union, OR | Other | Dec 28, 2009 | Active |
| HULDEN INC.Union, OR · Active | Union, OR | Corporation | Dec 31, 2009 | Active |
| CLARK WELDING & MECHANICAL SERVICEUnion, OR · Active | Union, OR | Other | Feb 21, 2002 | Active |
| NEAL'S CONTRACTING LLCUnion, OR · Active | Union, OR | LLC | Apr 26, 2010 | Active |
| MW PROPERTY LLCUnion, OR · Active | Union, OR | LLC | Sep 2, 2010 | Active |
| WILLIAMS BROS. TRUCKING, LLCUnion, OR · Active | Union, OR | LLC | Dec 16, 1999 | Active |
| DANCING DOG STUDIOUnion, OR · Active | Union, OR | Other | Dec 28, 2010 | Active |
| AT CHASE, LLCUnion, OR · Active | Union, OR | LLC | Jan 10, 2011 | Active |
| R6 CONTRACTING INC.Union, OR · Active | Union, OR | Corporation | Jan 28, 2011 | Active |
| SWACKHAMMER DITCH IMPROVEMENT DISTRICTUnion, OR · Active | Union, OR | Nonprofit | May 21, 1965 | Active |
| PRESCOTT DITCH COMPANYUnion, OR · Active | Union, OR | Nonprofit | May 28, 1965 | Active |
| FROG & SON, INC.Union, OR · Active | Union, OR | Corporation | Dec 17, 1965 | Active |
| HEALTH ORIGINS, INC.Union, OR · Active | Union, OR | Corporation | Nov 24, 2000 | Active |
| HIGH VALLEY TRAILER SALESUnion, OR · Active | Union, OR | Other | Jun 7, 2002 | Active |
| DORA'S GARDEN LLCUnion, OR · Active | Union, OR | LLC | Mar 20, 2012 | Active |
| SUNNYBROOK RANCHUnion, OR · Active | Union, OR | Other | Mar 21, 2012 | Active |
| UNION COUNTY MUSEUM SOCIETYUnion, OR · Active | Union, OR | Nonprofit | Oct 18, 1968 | Active |
| J L BAR LLCUnion, OR · Active | Union, OR | LLC | Jun 6, 2012 | Active |
| J L INSPECTIONSUnion, OR · Active | Union, OR | Other | Jun 22, 2012 | Active |
| HISTORIC UNION HOTEL APARTMENTSUnion, OR · Active | Union, OR | Other | Jul 11, 2012 | Active |
| FRIENDS OF UNION CARNEGIE PUBLIC LIBRARYUnion, OR · Active | Union, OR | Nonprofit | Oct 17, 2012 | Active |
| WHICH-A-WAY LLCUnion, OR · Active | Union, OR | LLC | Nov 30, 2012 | Active |
| RICH TO RUST MUSEUMUnion, OR · Active | Union, OR | Nonprofit | Nov 30, 2012 | Active |
| LADD CREEK RANCHES, LLCUnion, OR · Active | Union, OR | LLC | Dec 26, 2012 | Active |
| WAITE RANCH INC.Union, OR · Active | Union, OR | Corporation | Jun 12, 2013 | Active |
| HERBES BROTHERS LAND AND LIVESTOCK, LLCUnion, OR · Active | Union, OR | LLC | Sep 24, 2013 | Active |
| SJ VALLEY PROPERTIES LLCUnion, OR · Active | Union, OR | LLC | Dec 31, 2013 | Active |