Albany Area Chamber of Commerce http://www.albanychamber.com
Ashland Chamber of Commerce http://www.ashlandchamber.com
Astoria-Warrenton Area Chamber of Commerce http://www.oldoregon.com
Bandon Chamber of Commerce http://www.bandon.com
Bay Area Chamber of Commerce http://www.oregonsbayareachamber.com
Beaverton Area Chamber of Commerce http://www.beaverton.org
Bend Chamber of Commerce http://www.bendchamber.org
Boardman Chamber of Commerce http://www.boardmanchamber.org
Brookings-Harbor Chamber of Commerce http://www.brookingsor.com
Canby Chamber of Commerce http://www.canbyareachamber.org
Central Point Chamber of Commerce http://www.centralpointchamber.org
Chehalem Valley Chamber of Commerce http://www.chehalemvalley.org
Corvallis Chamber of Commerce http://www.cb-chambercoalition.com
Cottage Grove Chamber of Commerce http://www.cgchamber.com
Dallas Area Chamber of Commerce http://www.dallasoregon.org
Estacada Area Chamber of Commerce http://www.estacadachamber.org
Eugene Area Chamber of Commerce http://www.eugenechamber.com
Forest Grove Chamber of Commerce http://www.fgchamber.org
Grants Pass and Josephine County Chamber of Commerce http://www.grantspasschamber.org
Gresham Chamber of Commerce http://www.greshamchamber.org
Harney County Chamber of Commerce http://www.harneycounty.com
Heppner Chamber of Commerce http://www.heppner.net/chamber
Hermiston Chamber of Commerce, Greater http://www.hermistonchamber.com
Hillsboro Chamber of Commerce http://www.hillchamber.org
Hoodriver Chamber of Commerce 
Junction City-Harrisburg Chamber of Commerce http://www.jch-chamber.org
Keizer Chamber of Commerce http://www.keizerchamber.com
Klamath County Chamber of Commerce http://www.klamath.org
La Pine Chamber of Commerce http://www.lapine.org
Lake Oswego Chamber of Commerce http://www.lake-oswego.com
Lebanon Area Chamber of Commerce http://www.lebanon-chamber.org
Lincoln City Chamber of Commerce http://www.lcchamber.com
Madras Chamber of Commerce www.madraschamber.com
McMinnville Area Chamber of Commerce http://www.mcminnville.org
Medford/Jackson County Chamber of Commerce http://www.medfordchamber.com
Milton-Freewater Area Chamber of Commerce http://www.mfchamber.com
Monmouth-Independence Chamber of Commerce http://www.micc-or.org
Newport Chamber of Commerce http://www.newportchamber.org
North Clackamas County Chamber of Commerce http://www.yourchamber.org
North Plains Area Chamber of Commerce http://www.northplainschamberofcommerce.org
Ontario Chamber of Commerce http://www.ontariochamber.com
Oregon City Chamber of Commerce http://www.oregoncity.org
Pendleton Chamber of Commerce http://www.pendletonchamber.com
Portland Business Alliance http://www.portlandalliance.com
Prineville-Crook County Chamber of Commerce 
Redmond Chamber of Commerce http://www.visitredmondoregon.com
Reedsport/Winchester Bay Chamber of Commerce http://www.reedsportcc.org/
Roseburg Area Chamber of Commerce http://www.roseburgareachamber.org
Salem Area Chamber of Commerce http://www.salemchamber.org
Sandy Area Chamber of Commerce http://www.sandyoregonchamber.org
Seaside Chamber of Commerce http://www.seasidechamber.com
Sherwood Chamber of Commerce http://www.sherwoodchamber.org
Silverton Chamber of Commerce http://www.silvertonchamber.org
South Columbia County Chamber of Commerce http://www.sccchamber.org
Springfield Area Chamber of Commerce http://www.springfield-chamber.org
Stayton/Sublimity Chamber of Commerce http://www.staytonsublimitychamber.org
The Dalles Area Chamber of Commerce http://www.thedalleschamber.com
Tigard Chamber of Commerce http://www.tigardchamber.org
Tillamook Area Chamber of Commerce http://www.GoTillamook.com
Tualatin Chamber of Commerce http://www.tualatinchamber.com
Umatilla Chamber of Commerce http://www.umatillaoregonchamber.org/
Union County Chamber of Commerce http://www.unioncountychamber.org
West Columbia Gorge Chamber of Commerce http://www.westcolumbiagorgechamber.com
Wilsonville Chamber of Commerce http://www.wilsonvillechamber.com