| Name | Phone | Category |
| J & J Amusements, Inc. | 503-304-8899 | Manufacturers |
| J Vivier CPA, PC | 503-399-1040 | Accounting & Tax Service |
| Jackson Hewitt Tax Service #0975 | 503-585-4663 | Tax Return Preparation |
| Jackson Jewelers | 503-363-5640 | Jewelers - Retail |
| Jackson, Gloria | 503-364-3925 | Real Estate - Commercial & Investment |
| Jade Earth Acupuncture, LLC | 503-581-5990 | Acupuncture |
| Jamba Juice #1149 | 503-585-5544 | Restaurants |
| Jamba Juice #290 | (503) 566-7045 | Restaurants |
| Jamba Juice #341 | 503-391-6251 | Restaurants |
| James G. Murphy Company, Inc. | 503-463-4444 | Auctions |
| Jane Freres - Core4 | 503-510-7500 | Health & Diet Food Products - Retail |
| Jane Roberts | 503-371-4479 | Individuals |
| Java Crew | 503-390-8658 | Restaurants - Coffee & Tea |
| JBL Management Services | 503-569-4738 | Consultants - Management |
| JCPenney Co. | 503-585-4535 | Department, Discount, Outlet Stores & Malls |
| Jeff Stewart State Farm Agency | 503-399-0367 | Insurance |
| Jerry B. Purtell CPA | 503-463-1440 | Accounting & Tax Service |
| Jiffy Lube | 503-364-4458 store | Auto Oil & Lube |
| Jimco Fence | 503-749-2535 | Fence |
| JK Carpet Center Inc. | 503-363-6033 | Carpet & Rug Dealers |
| John L. Scott Real Estate WSL | 503-399-0089 | Real Estate |
| Johnson & Ray Investment Realty, Inc. | 503-371-3226 | Real Estate - Commercial & Investment |
| Johnson, Glaze & Co., P.C. | 503-390-7880 | Accounting & Tax Service |
| Jones Oil Company | 503-399-9563 | Oils - Fuel |
| Jordan Sparks, DMD | 503-363-5432 | Dentists |
| Journeys by Ambassador | 503-588-0834 | Travel Agencies |
| The Joys of Living Assistance Dogs | 503-551-4572 | Disabled Persons Assistance |
| Judson's, Inc. | (503) 363-4141 | Plumbing Contractors |
| Judy Hall at Reflections | 503-391-2393 | Beauty Salons & Services |