Search for Washington County, Oregon Businesses Search for Washington County, Oregon Businesses If you are looking for a type of business in the Washington County, Oregon, OR area, use the Keyword box. If you know the name of the business you are looking for, enter the name in the Name box. Further narrow your search by completing the additional boxes. Search | Advanced Search | New Members | Coupons and Discounts | All Categories If you are looking for a business in Greater Hillsboro Area, use the Keyword search box below, the Categories drop down or just browse the quick links to find by industry. If you are looking for a specific business, do an advanced search to locate them by name. Keyword: Organization Name: City: State: Zip: Website: Phone: If your business isn't here, contact us today to get listed!