| RAINIER LODGE NO. 24, A. F. AND A. M. INC.Rainier, OR · Active | Rainier, OR | Nonprofit | Jul 31, 1950 | Active |
| DELENA BAPTIST CHURCHRainier, OR · Active | Rainier, OR | Nonprofit | Mar 5, 1952 | Active |
| BP RACING LLCRainier, OR · Active | Rainier, OR | LLC | Apr 7, 2008 | Active |
| NATIVITY OF THE BLESSED VIRGIN MARY CATHOLIC CHURCH, RAINIER, OREGONRainier, OR · Active | Rainier, OR | Nonprofit | Apr 29, 2008 | Active |
| NICHOLS LOGGING, INC.Rainier, OR · Active | Rainier, OR | Corporation | Jun 21, 1996 | Active |
| DELI STORE, LLCRainier, OR · Active | Rainier, OR | LLC | Jun 25, 2008 | Active |
| INTERSTATE TAVERN LLCRainier, OR · Active | Rainier, OR | LLC | Jul 9, 2008 | Active |
| HAMLIK INVESTMENTS, L.L.C.Rainier, OR · Active | Rainier, OR | LLC | Sep 5, 1996 | Active |
| COLUMBIA COUNTY POMONA GRANGERainier, OR · Active | Rainier, OR | Nonprofit | Jun 8, 1954 | Active |
| ALSTONS CORNER ASSEMBLY OF GODRainier, OR · Active | Rainier, OR | Nonprofit | Aug 4, 1954 | Active |
| COLUMBIA BIBLE CHURCHRainier, OR · Active | Rainier, OR | Nonprofit | Dec 17, 2001 | Active |
| NEW BRIDGEVIEW DELI, INC.Rainier, OR · Active | Rainier, OR | Corporation | Oct 15, 2008 | Active |
| GOBLE TAVERNRainier, OR · Active | Rainier, OR | Other | Nov 6, 2008 | Active |
| GUY LIVERainier, OR · Active | Rainier, OR | Other | Oct 28, 2008 | Active |
| THE RAINIER CONGREGATION OF JEHOVAH'S WITNESSESRainier, OR · Active | Rainier, OR | Nonprofit | Sep 8, 1955 | Active |
| SOLID TECHNOLOGY, INC.Rainier, OR · Active | Rainier, OR | Corporation | Feb 10, 1997 | Active |
| ALL SERVICE CONSTRUCTION INC.Rainier, OR · Active | Rainier, OR | Corporation | Mar 24, 1997 | Active |
| KLOPPMAN LOGGINGRainier, OR · Active | Rainier, OR | Other | Jan 7, 2009 | Active |
| CAPITAL STRATEGIES, INCRainier, OR · Active | Rainier, OR | Corporation | Feb 3, 2009 | Active |
| RAINIER DRAINAGE IMPROVEMENT COMPANYRainier, OR · Active | Rainier, OR | Nonprofit | Jun 20, 1997 | Active |
| RAINIER LIQUOR STORERainier, OR · Active | Rainier, OR | Other | May 22, 2009 | Active |
| GOOD WORDS - CREATION WOODSRainier, OR · Active | Rainier, OR | Other | Jun 15, 2009 | Active |
| NORTHWEST MOTORCYCLE INSTRUCTIONAL SCHOOL, INC.Rainier, OR · Active | Rainier, OR | Corporation | Aug 20, 2009 | Active |
| LENO PROPERTIES LLCRainier, OR · Active | Rainier, OR | LLC | Nov 12, 2009 | Active |
| RAINIER ROCK PIT LLCRainier, OR · Active | Rainier, OR | LLC | Oct 15, 2009 | Active |
| MIND YOUR P'S AND Q'SRainier, OR · Active | Rainier, OR | Other | Oct 14, 2009 | Active |
| B.C.X. INC.Rainier, OR · Active | Rainier, OR | Corporation | Jun 30, 1998 | Active |
| JUST-A-MERE-FARM, INC.Rainier, OR · Active | Rainier, OR | Corporation | Jun 1, 1960 | Active |
| FERN HILL GRANGE NO. 592Rainier, OR · Active | Rainier, OR | Nonprofit | Jun 21, 1960 | Active |
| J & R SALES, INC.Rainier, OR · Active | Rainier, OR | Corporation | Oct 29, 1998 | Active |
| K&S BLEDSOE LLCRainier, OR · Active | Rainier, OR | LLC | Jan 15, 2010 | Active |
| RINCK LOGGINGRainier, OR · Active | Rainier, OR | Other | Jan 26, 2010 | Active |
| WATERFRONT PLACE CONDOMINIUM ASSOCIATIONRainier, OR · Active | Rainier, OR | Nonprofit | Mar 10, 2010 | Active |
| OREGON RAINDANCERSRainier, OR · Active | Rainier, OR | Other | Mar 15, 2010 | Active |
| CRAWFORD BERRIES & CREAMRainier, OR · Active | Rainier, OR | Other | Mar 23, 1999 | Active |
| JUSTICE HOME INSPECTIONSRainier, OR · Active | Rainier, OR | Other | Apr 15, 1999 | Active |
| ALSTON PUB AND GRUB, LLCRainier, OR · Active | Rainier, OR | LLC | Jun 21, 2010 | Active |
| D. MCCOY, INC.Rainier, OR · Active | Rainier, OR | Corporation | May 7, 1999 | Active |
| GREG CARR CONSTRUCTIONRainier, OR · Active | Rainier, OR | Other | Mar 8, 2002 | Active |
| VINCE COONEY FORESTRY & FARMSRainier, OR · Active | Rainier, OR | Other | Jun 9, 1999 | Active |
| FUTURE PRODUCTS OF MELZAH FARMSRainier, OR · Active | Rainier, OR | Other | Aug 13, 2010 | Active |
| MAT'Z WINDMILL GARDENS & NURSERYRainier, OR · Active | Rainier, OR | Other | Aug 13, 2010 | Active |
| D.E.A.L.Rainier, OR · Active | Rainier, OR | Other | Jul 27, 1999 | Active |
| CARMEL VALLEY FARM SERVICES, INC.Rainier, OR · Active | Rainier, OR | Corporation | Sep 9, 2010 | Active |
| MANUEL LABORRainier, OR · Active | Rainier, OR | Other | Sep 13, 2010 | Active |
| FAT JACK'S TOBACCO SHACKRainier, OR · Active | Rainier, OR | Other | Oct 20, 2010 | Active |
| OSPREY I UNLIMITEDRainier, OR · Active | Rainier, OR | Other | Dec 20, 1999 | Active |
| VANNATTA BROTHERSRainier, OR · Active | Rainier, OR | Other | Jan 19, 2000 | Active |
| UNITED WAY OF NORTHWEST OREGONRainier, OR · Active | Rainier, OR | Nonprofit | Oct 8, 1964 | Active |
| MICA NORTHWEST, INC.Rainier, OR · Active | Rainier, OR | Corporation | Mar 29, 2000 | Active |