| OIO'brien International | Redmond | WA | Miscellaneous Manufacturing339920 | — | ◇ UNVERIFIED |
| OIObrien International | Monroe | WA | Miscellaneous Manufacturing339920 | — | ◇ UNVERIFIED |
| OVOlympic Veterinary | Mercer Island | WA | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| OPOmega Pacific | Airway Heights | WA | Miscellaneous Manufacturing339920 | — | ◇ UNVERIFIED |
| OCOrahealth Corporation | Kent | WA | Miscellaneous Manufacturing339114 | — | ◇ UNVERIFIED |
| PCPacific Coast Medical Device Consulting | Vancouver | WA | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| PCPacific Crest Dental Lab | Tacoma | WA | Miscellaneous Manufacturing339116 | — | ◇ UNVERIFIED |
| PNPacific Northwest Prosthodontic Laboratory LLC | Bellevue | WA | Miscellaneous Manufacturing339116 | — | ◇ UNVERIFIED |
| POPacific Outdoor Products INC | Maple Valley | WA | Miscellaneous Manufacturing339920 | — | ◇ UNVERIFIED |
| PPPacific Playgrounds | Tacoma | WA | Miscellaneous Manufacturing339920 | — | ◇ UNVERIFIED |
| PHPatcen Healthcare, Inc | Redmond | WA | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| PHPatcen Healthcare, Inc. | Redmond | WA | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| PHPatcen Healthcare, Inc. | Bellevue | WA | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| PFPaul Fritts & CO Organ Builder | Tacoma | WA | Miscellaneous Manufacturing339992 | — | ◇ UNVERIFIED |
| PLPja LLC | Spokane | WA | Miscellaneous Manufacturing339920 | — | ◇ UNVERIFIED |
| PPPrivateer Press INC | Bellevue | WA | Miscellaneous Manufacturing339932 | — | ◇ UNVERIFIED |
| PCProblem Child Vanities LLC | Auburn | WA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| PDProgressive Dental Lab | Bellingham | WA | Miscellaneous Manufacturing339116 | — | ◇ UNVERIFIED |
| PRProlite Rod Technology, LLC | Olympia | WA | Miscellaneous Manufacturing339920 | — | ◇ UNVERIFIED |
| PSPro Sign INC | Spokane | WA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| PDProtea Dental Studio, Inc | Redmond | WA | Miscellaneous Manufacturing339116 | — | ◇ UNVERIFIED |
| QMQ.I. Medical, Inc. | Mukilteo | WA | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| QAQuality Anodize and Chemical Film | Everett | WA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| QSQuality Sign Service INC | East Wenatchee | WA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| QSQuality Sign Service INC | Kennewick | WA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| QSQuality Sign Service INC | Zillah | WA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| QSQuality Sign Service INC | Kennewick | WA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| QSQuality Sign Service INC | Kennewick | WA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| RBRichards Brush | Seattle | WA | Miscellaneous Manufacturing339994 | — | ◇ UNVERIFIED |
| SDSaphire Development LLC | Snoqualmie | WA | Miscellaneous Manufacturing339114 | — | ◇ UNVERIFIED |
| SISeeds INC | Rockford | WA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| SLSheanco LLC | Puyallup | WA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| SCSign Crafters INC | Colfax | WA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| SPSign Pros | Redmond | WA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| SBSigns By Tomorrow Bellingham | Bellingham | WA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| SPSigns Plus | Tacoma | WA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| SSSign Store | Port Angeles | WA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| SGSj Graphics Corporation | Poulsbo | WA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| SCSky Castle Toys LLC | Seattle | WA | Miscellaneous Manufacturing339930 | — | ◇ UNVERIFIED |
| SVSkyline Vinyl & Sign LLC | Lake Stevens | WA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| TLTalentwise LLC | Seattle | WA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| TSThe Superior Register, LLC | Gig Harbor | WA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| TCThompson Custom Orthotics | Spokane | WA | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| TSTieGrrr Straps, Inc. | Kent | WA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| TFTop Form Design, LLC | Yakima | WA | Miscellaneous Manufacturing339920 | — | ◇ UNVERIFIED |
| TLTranquil Laboratories LLC | Everett | WA | Miscellaneous Manufacturing339116 | — | ◇ UNVERIFIED |
| TNTrue Nature Group Inc | bellevue | WA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| TDT&S Dental Group, Corp | Renton | WA | Miscellaneous Manufacturing339116 | — | ◇ UNVERIFIED |
| TATube Art Displays INC | Burien | WA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| TATube Art Displays INC | Seattle | WA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |