| Company | Category | Area | Address | Web | E-mail | Contact person |
| 4-SEASONS LANDSCAPE & MNTNC | Lawn & Grounds Maintenance | Oregon | PO BOX 3703, SALEM, Marion, Oregon, 97302-0703, USA |
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Tracy Large |
| 4-STAR MEAT CO | Meat Cutting Service | Oregon | 90362 PRAIRIE RD, EUGENE, Lane, Oregon, 97402-9610, USA |
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Gary Kennedy |
| 4-T ACRES | Ornamental Nursery Wheat Farm | Oregon | 20995 SE WALLACE RD, DAYTON, Yamhill, Oregon, 97114-8823, USA |
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Michael Tompkins |
| 4-WHEEL MOBIL HOME COURT | Mobile Home Site Operator | Oregon | 1241 NW 6TH ST, REDMOND, Deschutes, Oregon, 97756-1374, USA |
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Bart Kirk |
| 40 MILE LOOP LAND TRUST | Membership-basis Lodging | Oregon | 1038 SE 224TH AVE, GRESHAM, Multnomah, Oregon, 97030-2610, USA |
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Robert Akers |
| 400 CAFE & SUNDRIES | Eating Place | Oregon | 400 SW 6TH AVE STE 125, PORTLAND, Multnomah, Oregon, 97204-1611, USA |
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Charlie Hong |
| 400 EAST MAIN PLAZA | Unclassified | Oregon | 400 E MAIN ST, HILLSBORO, Washington, Oregon, 97123-4191, USA |
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| 400 SOLUTIONS INC | Business Services | Oregon | 2120 SW DEWITT ST, PORTLAND, Multnomah, Oregon, 97239-2034, USA |
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Daniel Williams |
| 404 MEDIA LLC | Computer Related Services | Oregon | 1954 HILLHOUSE DR, WEST LINN, Clackamas, Oregon, 97068-4208, USA |
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Moses Rolston |
| 4080 LLC | Legal Services Office | Oregon | PO BOX 11230, EUGENE, Lane, Oregon, 97440-3430, USA |
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Tracy Thomas |
