| A BETTER FIT | Organization | KENNEWICK |
| A CRANIAL PROSTHETIC WIG COMPANY, LLC | Organization | RENTON |
| ADVANCED PROSTHETIC & ORTHOTIC CENTER, INC | Organization | YAKIMA |
| ALLIES LLC | Organization | BELLINGHAM |
| ALTHEA'S FOOTWEAR SOLUTIONS | Organization | LAKEWOOD |
| ALTHEA'S FOOTWEAR SOLUTIONS | Organization | EVERETT |
| AMIE FANNEH | Individual | MARYSVILLE |
| ARNOLD ARTIFICIAL LIMB INC | Organization | YAKIMA |
| AVA INC. | Organization | LONGVIEW |
| BEAUTY N KURVES LLC | Organization | SEATTLE |
| BIONIC DESIGN, INC | Organization | UNIVERSITY PLACE |
| BREG, INC. | Organization | KENT |
| CADENCE BIOMEDICAL, INC. | Organization | SEATTLE |
| CASCADE PROSTHETICS AND ORTHOTICS INC | Organization | FERNDALE |
| CASCADE PROSTHETICS AND ORTHOTICS, INC. | Organization | MOUNT VERNON |
| CENTER FOR PROSTHETICS ORTHOTICS, INC. | Organization | KIRKLAND |
| CENTER FOR PROSTHETICS ORTHOTICS, INC. | Organization | SEATTLE |
| CENTER FOR PROSTHETICS ORTHOTICS, INC. | Organization | SEATTLE |
| CENTER FOR PROSTHETICS ORTHOTICS, INC. | Organization | SEATTLE |
| CHILDREN'S THERAPY CENTER | Organization | KENT |
| CHILDREN'S THERAPY CENTER | Organization | BURIEN |
| CHILDREN'S THERAPY CENTER | Organization | KENT |
| COLUMBIA BASIN PROSTHETICS & ORTHOTICS, INC | Organization | WALLA WALLA |
| COLUMBIA BASIN PROSTHETICS & ORTHOTICS, INC. | Organization | KENNEWICK |
| COLUMBIA RIVER CRANIALS ORTHOTICS AND PROSTHETICS | Organization | RIDGEFIELD |
| COMOTION ORTHOTICS & PROSTHETICS, INC. | Organization | ELLENSBURG |
| CORNERSTONE PROSTHETICS AND ORTHOTICS INC | Organization | EDMONDS |
| CORNERSTONE PROSTHETICS AND ORTHOTICS, INC | Organization | EVERETT |
| CORNERSTONE PROSTHETICS AND ORTHOTICS, INC | Organization | BELLINGHAM |
| CORNERSTONE PROSTHETICS AND ORTHOTICS, INC | Organization | SEQUIM |
| CORNERSTONE PROSTHETICS AND ORTHOTICS, INC | Organization | MOUNT VERNON |
| CORNERSTONE PROSTHETICS AND ORTHOTICS, INC | Organization | SPOKANE |
| CORNERSTONE PROSTHETICS AND ORTHOTICS, INC | Organization | KIRKLAND |
| COST PLUS PRESCRIPTIONS, INC. | Organization | TACOMA |
| CRANIAL TECHNOLOGIES, INC. | Organization | BELLEVUE |
| CRESAP ORTHOTICS & PROSTHETICS, INC. | Organization | WENATCHEE |
| CUSTOM OCULAR PROSTHETICS LLC | Organization | SEATTLE |
| DAVID BLAISDELL, CPO, LPO | Individual | RICHLAND |
| DAVIDSON PROSTHETICS LLC | Organization | PUYALLUP |
| DENTAL SLEEP THERAPY OF WALLA WALLA PLLC | Organization | WALLA WALLA |
| DOUGLASS CERT PROS & ORTHOTICS, INC | Organization | RENTON |
| DOUGLASS CERT PROS & ORTHOTICS, INC | Organization | SHORELINE |
| EDWARD J CHESNUTIS, DPM, PLLC | Organization | EVERETT |
| ERICKSON LABORATORIES, INC | Organization | SEATTLE |
| ERICKSON'S INC | Organization | SPOKANE |
| EVERGREEN PROSTHETICS AND ORTHOTICS, LLC | Organization | SPOKANE VALLEY |
| EVERGREEN PROSTHETICS AND ORTHOTICS, LLC | Organization | VANCOUVER |
| EVERGREEN PROSTHETICS AND ORTHOTICS, LLC | Organization | VANCOUVER |
| EVERGREEN PROSTHETICS AND ORTHOTICS, LLC | Organization | LONGVIEW |
| FRICK REXALL DRUGS, INC. | Organization | SEQUIM |
| GENESIS MEDICAL GROUP, LLC. | Organization | LONGVIEW |
| GEZELLIG ART SALON | Organization | SEATTLE |
| HAIR OPTIONS | Organization | SEATTLE |
| HANGER CLINIC | Organization | LONGVIEW |
| HANGER PROSTHETICS & ORTHOTICS INC | Organization | SPOKANE |
| HANGER PROSTHETICS & ORTHOTICS INC | Organization | SPOKANE |
| HANGER PROSTHETICS & ORTHOTICS WEST INC | Organization | OLYMPIA |
| HANGER PROSTHETICS & ORTHOTICS WEST INC | Organization | WENATCHEE |
| HANGER PROSTHETICS & ORTHOTICS WEST INC | Organization | RICHLAND |
| HANGER PROSTHETICS & ORTHOTICS WEST INC | Organization | SILVERDALE |