| PEACEHEALTH SOUTHWEST HOSPICE | VANCOUVER | Other | 02/01/1984 |
| HOSPICE OF SPOKANE | SPOKANE | Non-Profit | 03/24/1984 |
| HOSPICE OF THE NORTHWEST | MOUNT VERNON | Combination Government & Non-Profit | 03/15/1984 |
| MULTICARE HOSPICE | TACOMA | Other | 09/27/1984 |
| TRI-CITIES CHAPLAINCY HOSPICE | RICHLAND | Non-Profit | 04/10/1985 |
| PROVIDENCE AT HOME WITH COMPASSUS, PUGET SOUND SOU | LACEY | For-Profit | 03/25/1985 |
| ASSURED HOME HEALTH, HOSPICE & HOME CARE | CENTRALIA | For-Profit | 06/21/1985 |
| PROVIDENCE AT HOME WITH COMPASSUS, SNOHOMISH COUNT | EVERETT | Non-Profit | 03/10/1987 |
| PROVIDENCE AT HOME WITH COMPASSUS HOSPICE CARE, PU | TUKWILA | Non-Profit | 09/01/1987 |
| CENTRAL WASHINGTON HOSPITAL HOMECARE SERVICES | WENATCHEE | Non-Profit | 12/02/1987 |
| ASTRIA HOSPICE | YAKIMA | For-Profit | 05/24/1988 |
| HEARTLINKS | GRANDVIEW | Other | 08/09/1988 |
| WALLA WALLA COMMUNITY HOSPICE | WALLA WALLA | Non-Profit | 07/26/1988 |
| KPWA HOME HEALTH & HOSPICE | SEATTLE | Non-Profit | 09/29/1988 |
| EVERGREEN HEALTH HOSPICE CARE | KIRKLAND | Combination Government & Non-Profit | 06/27/1990 |
| HARBORS HOME HEALTH AND HOSPICE | HOQUIAM | Non-Profit | 11/17/1990 |
| FRANCISCAN HOSPICE | UNIVERSITY PLACE | Non-Profit | 04/06/1993 |
| ASSURED HOSPICE | MOSES LAKE | For-Profit | 09/14/1993 |
| KITTITAS VALLEY HOME HEALTH & HOSPICE | ELLENSBURG | Combination Government & Non-Profit | 04/29/1994 |
| MEMORIAL HOME CARE SERVICES/HOSPICE SERVICES | YAKIMA | Non-Profit | 10/26/1995 |
| ELITE HOSPICE | CLARKSTON | For-Profit | 08/01/1997 |
| GENTIVA | LIBERTY LAKE | For-Profit | 08/01/1997 |
| HORIZON HOSPICE | SPOKANE | For-Profit | 06/19/1998 |
| ENCOMPASS HEALTH HOSPICE | OMAK | For-Profit | 09/19/2000 |
| WHATCOM HOSPICE | BELLINGHAM | Non-Profit | 07/24/2001 |