| Smokey Point Clinic | Arlington | Physical therapy | Physical Rehabilitation Network (PRN) | Gryphon Investors · Silver Oak Services Partners |
| Bainbridge Vision | Bainbridge Island | Eye care | AEG Vision (formerly Acuity Eyecare Group) | Riata Capital Group · J.P. Morgan Asset Management |
| Aerowood Animal Hospital | Bellevue | Veterinarians | PetVet Care Centers | KKR |
| Animal Hospital of Factoria | Bellevue | Veterinarians | WellHaven Pet Health | |
| Bellevue Animal Hospital | Bellevue | Veterinarians | Western Veterinary Partners | Tyree & D'Angelo Partners |
| Bellevue Optometry Clinic | Bellevue | Eye care | AEG Vision (formerly Acuity Eyecare Group) | Riata Capital Group · J.P. Morgan Asset Management |
| Vision Care Crossroads | Bellevue | Eye care | AEG Vision (formerly Acuity Eyecare Group) | Riata Capital Group · J.P. Morgan Asset Management |
| Maplewood Animal Hospital | Bellingham | Veterinarians | National Veterinary Associates (NVA) | JAB Holding Company |
| Mountain Veterinary Hospital | Bellingham | Veterinarians | Western Veterinary Partners | Tyree & D'Angelo Partners |
| Nwpt Bellingham | Bellingham | Physical therapy | Confluent Health | Partners Group |
| Alpine Veterinary Hospital | Bingen | Veterinarians | WellHaven Pet Health | |
| Lake Tapps Veterinary Hospital | Bonney Lake | Veterinarians | WellHaven Pet Health | |
| Bothell Clinic | Bothell | Physical therapy | Physical Rehabilitation Network (PRN) | Gryphon Investors · Silver Oak Services Partners |
| Canyon Park Veterinary Hospital | Bothell | Veterinarians | CareVet | Compass Group Equity Partners |
| Center for Bird and Exotic Animal Medicine | Bothell | Veterinarians | National Veterinary Associates (NVA) | JAB Holding Company |
| Buckley Veterinary Hospital | Buckley | Veterinarians | WellHaven Pet Health | |
| Normandy Animal Hospital | Burien | Veterinarians | WellHaven Pet Health | |
| Pristera Orthodontics - Burien | Burien | Dentists | SALT Dental Partners | Latticework Capital Partners |
| Lewis County Eye & Vision, Inc., P.s. | Chehalis | Eye care | AEG Vision (formerly Acuity Eyecare Group) | Riata Capital Group · J.P. Morgan Asset Management |
| Blackhawk Veterinary Hospital | Cheney | Veterinarians | Western Veterinary Partners | Tyree & D'Angelo Partners |
| Chewelah Veterinary Clinic | Chewelah | Veterinarians | Western Veterinary Partners | Tyree & D'Angelo Partners |
| Des Moines Veterinary Hospital | Des Moines | Veterinarians | PetVet Care Centers | KKR |
| Saltwater Animal Hospital | Des Moines | Veterinarians | Mission Pet Health | Silver Lake · Shore Capital Partners |
| DuPont Veterinary Center | Dupont | Veterinarians | VetCor | Harvest Partners |
| Duvall Dental Center | Duvall | Dentists | Heartland Dental | KKR · Ontario Teachers' Pension Plan |
| Duvall Family Dental | Duvall | Dentists | Heartland Dental | KKR · Ontario Teachers' Pension Plan |
| Duvall Family Dental | Duvall | Dentists | Heartland Dental | KKR · Ontario Teachers' Pension Plan |
| Edmonds Eyecare Associates Inc Ps | Edmonds | Eye care | AEG Vision (formerly Acuity Eyecare Group) | Riata Capital Group · J.P. Morgan Asset Management |
| Perrinville Animal Hospital | Edmonds | Veterinarians | VetCor | Harvest Partners |
| Seattle Skin and Laser, PLLC | Edmonds | Dermatology | Frontier Dermatology | A&M Capital |
| Parker Orthodontics | Ellensburg, | Dentists | SALT Dental Partners | Latticework Capital Partners |
| Enumclaw Vision Clinic PLLC | Enumclaw | Eye care | AEG Vision (formerly Acuity Eyecare Group) | Riata Capital Group · J.P. Morgan Asset Management |
| Albright Family Dental | Everett | Dentists | The Aspen Group (TAG) | Leonard Green & Partners · Ares Management |
| All Smiles Nw | Everett | Dentists | Heartland Dental | KKR · Ontario Teachers' Pension Plan |
| Diamond Veterinary Hospital | Everett | Veterinarians | National Veterinary Associates (NVA) | JAB Holding Company |
| Hues Dental Group | Everett | Dentists | Heartland Dental | KKR · Ontario Teachers' Pension Plan |
| Mill Creek Clinic | Everett | Physical therapy | Physical Rehabilitation Network (PRN) | Gryphon Investors · Silver Oak Services Partners |
| Sacajawea Veterinary Hospital | Federal Way | Veterinarians | National Veterinary Associates (NVA) | JAB Holding Company |
| Whatcom Veterinary Hospital | Ferndale | Veterinarians | AmeriVet Veterinary Partners | AEA Investors · Abu Dhabi Investment Authority |
| Olympic Eye Care | Gig Harbor | Eye care | AEG Vision (formerly Acuity Eyecare Group) | Riata Capital Group · J.P. Morgan Asset Management |
| Purdy Veterinary Hospital | Gig Harbor | Veterinarians | VetCor | Harvest Partners |
| Uptown Animal Hospital | Gig Harbor | Veterinarians | Lakefield Veterinary Group | Peloton Capital Management |
| Raintree Veterinary Center | Hoquiam | Veterinarians | PetVet Care Centers | KKR |
| Alpine Animal Hospital | Issaquah | Veterinarians | Thrive Pet Healthcare | TSG Consumer Partners |
| Cobblestone Animal Hospital | Issaquah | Veterinarians | VetCor | Harvest Partners |
| Issaquah Veterinary Hospital | Issaquah | Veterinarians | Mission Pet Health | Silver Lake · Shore Capital Partners |
| Tingey Orthodontics | Issaquah | Dentists | MB2 Dental | Warburg Pincus · Charlesbank Capital Partners |
| Kenmore Dentistry | Kenmore | Dentists | Heartland Dental | KKR · Ontario Teachers' Pension Plan |
| Kenmore Veterinary Hospital | Kenmore | Veterinarians | Lakefield Veterinary Group | Peloton Capital Management |
| Horse Heaven Hills Pet Urgent Care | Kennewick | Veterinarians | Veterinary Practice Partners (VPP) | Audax Private Equity |
| Kennewick Vision Care | Kennewick | Eye care | Keplr Vision | Imperial Capital Group · Golub Capital |
| Kennewick Vision Care PC | Kennewick | Eye care | Keplr Vision | Imperial Capital Group · Golub Capital |
| The Fix Machine Animal Health Clinic | Kennewick | Veterinarians | VetCor | Harvest Partners |
| Clearvue Vision Center, PLLC | Kent | Eye care | AEG Vision (formerly Acuity Eyecare Group) | Riata Capital Group · J.P. Morgan Asset Management |
| Haeger Orthodontics | Kent | Dentists | SALT Dental Partners | Latticework Capital Partners |
| Bartlett Eye Clinic | Kirkland | Eye care | AEG Vision (formerly Acuity Eyecare Group) | Riata Capital Group · J.P. Morgan Asset Management |
| Juanita Bay Veterinary Hospital | Kirkland | Veterinarians | Lakefield Veterinary Group | Peloton Capital Management |
| Family Dentistry on Lacey | Lacey | Dentists | Heartland Dental | KKR · Ontario Teachers' Pension Plan |
| Hawks Prairie Vision Clinic | Lacey | Eye care | AEG Vision (formerly Acuity Eyecare Group) | Riata Capital Group · J.P. Morgan Asset Management |
| Mountain View Veterinary Hospital | Lacey | Veterinarians | Lakefield Veterinary Group | Peloton Capital Management |
| Pinehurst Veterinary Hospital | Lacey | Veterinarians | Mission Pet Health | Silver Lake · Shore Capital Partners |
| Rouse Eyecare Center | Lacey | Eye care | AEG Vision (formerly Acuity Eyecare Group) | Riata Capital Group · J.P. Morgan Asset Management |
| Cascade Family Eye Care, PLLC | Lake Stevens | Eye care | AEG Vision (formerly Acuity Eyecare Group) | Riata Capital Group · J.P. Morgan Asset Management |
| Legacy Animal Medical Center | Liberty Lake | Veterinarians | PetVet Care Centers | KKR |
| Cascade Eye Care Ps | Longview | Eye care | AEG Vision (formerly Acuity Eyecare Group) | Riata Capital Group · J.P. Morgan Asset Management |
| Cascade Family Dental | Longview | Dentists | Heartland Dental | KKR · Ontario Teachers' Pension Plan |
| Lower Columbia Veterinary Clinic | Longview | Veterinarians | Western Veterinary Partners | Tyree & D'Angelo Partners |
| Minhhuy Nguyen, PLLC | Longview | Dentists | The Aspen Group (TAG) | Leonard Green & Partners · Ares Management |
| Alderwood Family Dental | Lynnwood | Dentists | Deca Dental | Blackstone |
| Alderwood Family Dental, PLLC | Lynnwood | Dentists | Deca Dental | Blackstone |
| Helping Hands Veterinary Clinic | Lynnwood | Veterinarians | VetCor | Harvest Partners |
| Veterinary Specialty Center of Seattle | Lynnwood | Veterinarians | Thrive Pet Healthcare | TSG Consumer Partners |
| Johnny Le PLLC | Maple Valley | Dentists | Deca Dental | Blackstone |
| Wilderness Animal Hospital | Maple Valley | Veterinarians | Lakefield Veterinary Group | Peloton Capital Management |
| Cascade Veterinary Center | Marysville | Veterinarians | WellHaven Pet Health | |
| Marysville Clinic | Marysville | Physical therapy | Physical Rehabilitation Network (PRN) | Gryphon Investors · Silver Oak Services Partners |
| Marysville Orthodontics | Marysville | Dentists | Deca Dental | Blackstone |
| Marysville Periodontal and Implant Center | Marysville | Dentists | Heartland Dental | KKR · Ontario Teachers' Pension Plan |
| Mt Spokane Veterinary Hospital | Mead | Veterinarians | VetCor | Harvest Partners |
| Edgewood Veterinary Clinic | Milton | Veterinarians | VetCor | Harvest Partners |
| Cascade Animal Clinic | Monroe | Veterinarians | National Veterinary Associates (NVA) | JAB Holding Company |
| Brady Veterinary Hospital | Montesano | Veterinarians | National Veterinary Associates (NVA) | JAB Holding Company |
| College Way Animal Hospital | Mount Vernon | Veterinarians | Thrive Pet Healthcare | TSG Consumer Partners |
| Brier Veterinary Hospital | Mountlake Terrace | Veterinarians | Western Veterinary Partners | Tyree & D'Angelo Partners |
| Advanced Eyecare of Mukilteo | Mukilteo | Eye care | Keplr Vision | Imperial Capital Group · Golub Capital |
| Mukilteo Clinic | Mukilteo | Physical therapy | Physical Rehabilitation Network (PRN) | Gryphon Investors · Silver Oak Services Partners |
| Mukilteo Veterinary Hospital | Mukilteo | Veterinarians | Western Veterinary Partners | Tyree & D'Angelo Partners |
| Washington Visionary Eyecare PLLC | Mukilteo | Eye care | Keplr Vision | Imperial Capital Group · Golub Capital |
| Steamboat Animal Hospital | Olympia | Veterinarians | VetCor | Harvest Partners |
| Orting Animal Hospital | Orting | Veterinarians | Mission Pet Health | Silver Lake · Shore Capital Partners |
| Pet Medical Center of Pasco | Pasco | Veterinarians | VetCor | Harvest Partners |
| Olympic Veterinary Clinic | Port Angeles | Veterinarians | CareVet | Compass Group Equity Partners |
| Van Dyken Family Dentistry | Port Angeles | Dentists | MB2 Dental | Warburg Pincus · Charlesbank Capital Partners |
| Chimacum Valley Veterinary Hospital | Port Hadlock-Irondale | Veterinarians | Suveto | Levine Leichtman Capital Partners |
| Kitsap Veterinary Hospital | Port Orchard | Veterinarians | National Veterinary Associates (NVA) | JAB Holding Company |
| PawDoc Urgent Care | Port Orchard | Veterinarians | Lakefield Veterinary Group | Peloton Capital Management |
| Woodside Animal Hospital | Port Orchard | Veterinarians | VetCor | Harvest Partners |
| Pet Townsend Veterinary Clinic | Port Townsend | Veterinarians | Suveto | Levine Leichtman Capital Partners |
| Poulsbo Animal Clinic | Poulsbo | Veterinarians | Western Veterinary Partners | Tyree & D'Angelo Partners |
| Poulsbo Marina Veterinary Clinic | Poulsbo | Veterinarians | National Veterinary Associates (NVA) | JAB Holding Company |
| Woodland Dental Care | Puyallup | Dentists | MB2 Dental | Warburg Pincus · Charlesbank Capital Partners |
| Enso Dentistry | Redmond | Dentists | Heartland Dental | KKR · Ontario Teachers' Pension Plan |
| Redmond Ridge Eye Care | Redmond | Eye care | AEG Vision (formerly Acuity Eyecare Group) | Riata Capital Group · J.P. Morgan Asset Management |
| Redmond-Kirkland Animal Hospital | Redmond | Veterinarians | Thrive Pet Healthcare | TSG Consumer Partners |
| Smiles Artistry | Redmond | Dentists | Heartland Dental | KKR · Ontario Teachers' Pension Plan |
| Pacific Heights Veterinary | Renton | Veterinarians | VetCor | Harvest Partners |
| Pristera Orthodontics | Renton | Dentists | SALT Dental Partners | Latticework Capital Partners |
| Renton Highlands Pet Clinic | Renton | Veterinarians | National Veterinary Associates (NVA) | JAB Holding Company |
| Renton Veterinary Hospital | Renton | Veterinarians | AmeriVet Veterinary Partners | AEA Investors · Abu Dhabi Investment Authority |
| Renton West | Renton | Veterinarians | WellHaven Pet Health | |
| Spring Glen Veterinary Hospital | Renton | Veterinarians | WellHaven Pet Health | |
| Richland Animal Hospital | Richland | Veterinarians | Western Veterinary Partners | Tyree & D'Angelo Partners |
| Keepers Animal Clinic | Rochester | Veterinarians | VetCor | Harvest Partners |
| Aurora Veterinary Hospital | Seattle | Veterinarians | PetVet Care Centers | KKR |
| Banner Dental | Seattle | Dentists | MB2 Dental | Warburg Pincus · Charlesbank Capital Partners |
| Broadway Veterinary Hospital | Seattle | Veterinarians | WellHaven Pet Health | |
| Broadway Vision | Seattle | Eye care | AEG Vision (formerly Acuity Eyecare Group) | Riata Capital Group · J.P. Morgan Asset Management |
| Gateway Dental | Seattle | Dentists | Smile Brands | Gryphon Investors |
| Lien Animal Clinic | Seattle | Veterinarians | Thrive Pet Healthcare | TSG Consumer Partners |
| Magnolia Eye Care | Seattle | Eye care | AEG Vision (formerly Acuity Eyecare Group) | Riata Capital Group · J.P. Morgan Asset Management |
| Reflections Dental | Seattle | Dentists | Smile Brands | Gryphon Investors |
| Seattle Kids Dentistry | Seattle | Dentists | SALT Dental Partners | Latticework Capital Partners |
| Seattle Skin and Laser, PLLC | Seattle | Dermatology | Frontier Dermatology | A&M Capital |
| Sunset Hill Veterinary and Rehabilitation Center | Seattle | Veterinarians | CareVet | Compass Group Equity Partners |
| Vision Pet Imaging & Illumipet | Seattle | Veterinarians | Thrive Pet Healthcare | TSG Consumer Partners |
| Selah Vision Clinic | Selah | Eye care | AEG Vision (formerly Acuity Eyecare Group) | Riata Capital Group · J.P. Morgan Asset Management |
| Greywolf Veterinary Hospital | Sequim | Veterinarians | National Veterinary Associates (NVA) | JAB Holding Company |
| Shelton Dental Excellence | Shelton | Dentists | MB2 Dental | Warburg Pincus · Charlesbank Capital Partners |
| Animal Medical Center of Seattle | Shoreline | Veterinarians | Ethos Veterinary Health | JAB Holding Company |
| Cascade Pet Hospital | Shoreline | Veterinarians | VetCor | Harvest Partners |
| Shoreline Veterinary Hospital | Shoreline | Veterinarians | Western Veterinary Partners | Tyree & D'Angelo Partners |
| Pilchuck Veterinary Hospital - Equine | Snohomish | Veterinarians | Thrive Pet Healthcare | TSG Consumer Partners |
| Snohomish Clinic | Snohomish | Physical therapy | Physical Rehabilitation Network (PRN) | Gryphon Investors · Silver Oak Services Partners |
| Spanaway Veterinary Clinic | Spanaway | Veterinarians | National Veterinary Associates (NVA) | JAB Holding Company |
| Tahoma Veterinary Hospital | Spanaway | Veterinarians | National Veterinary Associates (NVA) | JAB Holding Company |
| Bret Johnson Orthodontics | Spokane | Dentists | Bond Orthodontic Partners | BPOC |
| Garland Animal Clinic | Spokane | Veterinarians | National Veterinary Associates (NVA) | JAB Holding Company |
| Indian Trail Animal Hospital | Spokane | Veterinarians | Lakefield Veterinary Group | Peloton Capital Management |
| Inland Empire Veterinary Imaging (IEVI) | Spokane | Veterinarians | Ethos Veterinary Health | JAB Holding Company |
| KidSmile Dental - Spokane | Spokane | Dentists | SALT Dental Partners | Latticework Capital Partners |
| Regal Veterinary Center | Spokane | Veterinarians | VetCor | Harvest Partners |
| Scott Family Orthodontics | Spokane | Dentists | SALT Dental Partners | Latticework Capital Partners |
| Scott Family Orthodontics | Spokane Valley | Dentists | SALT Dental Partners | Latticework Capital Partners |
| Stanwood Advanced Family Dentistry | Stanwood | Dentists | Heartland Dental | KKR · Ontario Teachers' Pension Plan |
| Sultan Clinic | Sultan | Physical therapy | Physical Rehabilitation Network (PRN) | Gryphon Investors · Silver Oak Services Partners |
| Ag Health Labs | Sunnyside | Veterinarians | Heritage Vet Partners | |
| CYON Livestock Solutions | Sunnyside | Veterinarians | Heritage Vet Partners | |
| CYON Livestock Solutions - Cattle Strategies | Sunnyside | Veterinarians | Heritage Vet Partners | |
| Metropolitan Veterinary Hospital | Tacoma | Veterinarians | VetCor | Harvest Partners |
| Deschutes Animal Clinic | Tumwater | Veterinarians | WellHaven Pet Health | |
| Tumwater Veterinary Hospital | Tumwater | Veterinarians | PetVet Care Centers | KKR |
| University Place Veterinary Hospital | University Place | Veterinarians | VetCor | Harvest Partners |
| Crestwood Court Veterinary Clinic | Vancouver | Veterinarians | Thrive Pet Healthcare | TSG Consumer Partners |
| Mountain View Veterinary Hospital | Vancouver | Veterinarians | PetVet Care Centers | KKR |
| Orchards Veterinary Clinic | Vancouver | Veterinarians | Western Veterinary Partners | Tyree & D'Angelo Partners |
| Susana Lee, PLLC | Vancouver | Dentists | The Aspen Group (TAG) | Leonard Green & Partners · Ares Management |
| Vancouver Veterinary Hospital | Vancouver | Veterinarians | WellHaven Pet Health | |
| Inland Family Dentistry | Walla Walla | Dentists | Heartland Dental | KKR · Ontario Teachers' Pension Plan |
| Walla Walla Dental | Walla Walla | Dentists | Heartland Dental | KKR · Ontario Teachers' Pension Plan |
| Woodinville Animal Hospital | Woodinville | Veterinarians | Western Veterinary Partners | Tyree & D'Angelo Partners |
| Terrace Heights Family Pet Clinic | Yakima | Veterinarians | Western Veterinary Partners | Tyree & D'Angelo Partners |
| Yakima Orthodontics | Yakima | Dentists | SALT Dental Partners | Latticework Capital Partners |
| Yelm Veterinary Hospital | Yelm | Veterinarians | WellHaven Pet Health | |
| Zillah Vision PLLC | Zillah | Eye care | AEG Vision (formerly Acuity Eyecare Group) | Riata Capital Group · J.P. Morgan Asset Management |