| Company | Category | Area | Address | Web | E-mail | Contact person |
| MUSTARD SEED THE | Ret Gifts/novelties Amusement/ | Washington | PO BOX 1224, OMAK, Okanogan, Washington, 98841-1224, USA |
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Barbara Warner |
| MUSTARD SEED TOO | Eating Places | Washington | 1428 156TH AVE NE, BELLEVUE, King, Washington, 98007-4414, USA |
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NORM BROWN |
| MUSTARDSEED HEALTH | Health Practitioner's Office | Washington | 9404 NE 7TH ST, VANCOUVER, Clark, Washington, 98664-3324, USA |
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Julie Brudos |
| MUSTOE LOGGING | Logging | Washington | PO BOX 124, TENINO, Thurston, Washington, 98589-0124, USA |
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Melvin Mustoe |
