Organizations Affiliated with WCMVCA
| Organization | City | State |
| Alamosa Mosquito Control | Alamosa | CO |
| Arapahoe County Mosquito Control | Centennial | CO |
| Bear River Health Dept. | Logan | UT |
| Boulder County Public Health | Boulder | CO |
| Cass County Vector Control | West Fargo | ND |
| Cheyenne River Sioux Tribe | Eagle Butte | SD |
| Cheyenne-Laramie County Health Department | Cheyenne | WY |
| City of Laramie | Laramie | WY |
| City of Madison | Madison | SD |
| City of Rifle Parks Dept | Rifle | CO |
| City of Sioux Falls Health | Sioux Falls | SD |
| Colorado Department of Public Health & Environment | Denver | CO |
| Delta County Health & Human Services | Delta | CO |
| Denver Animal Care & Control | Denver | CO |
| Douglas County Weed Control | Castle Rock | CO |
| Dynamic Aviation Group, Inc | Bridgewater | VA |
| Elbert County Public Health | Kiowa | CO |
| Fremont County Weed & Pest | Lander | WY |
| Goshen County Weed & Pest | Torrington | WY |
| Grand Forks Public Health Dept | Grand Forks | ND |
| Jefferson County Department of Health & Environment | Golden | CO |
| Larimer Co. Dept of Health & Environment | Fort Collins | CO |
| Las Animas/Huerfano Cty Health Dept | Trinidad | CO |
| Las Animas-Huerfano Counties District Health Dept | Walsenburg | CO |
| Lower Brule Sioux Tribe | Lower Brule | SD |
| Magna Mosquito Abatement | Magna | UT |
| Mesa County Health Department | Grand Junction | CO |
| Moab Mosquito Abatement District | Moab | UT |
| Moffat Co Pest Mgmt | Craig | CO |
| Mosquito Abatement District - Davis | Kaysville | UT |
| New Mexico Department of Health | Santa Fe | NM |
| Pest Consulting Services | Omaha | NE |
| Salt Lake City Mosquito Abatement District | Salt Lake City | UT |
| Schall Chemical | Delta | CO |
| Sisseton Wahpeton Oyate | Agency Village | SD |
| Soper Pest Control | Ft. Collins | CO |
| South Salt Lake Valley Mosquito Abatement District | Sandy | UT |
| Teton County Mosquito Abatement | Jackson | WY |
| Town of Basalt | Basalt | CO |
| Tri-County Health Department | Commerce City | CO |
| Tri-County Health Department | Castle Rock | CO |
| Uintah MAD | Vernal | Ut |
| Vector Biology & Control International, Inc. | Fort Collins | CO |
| Weld County Health Department | Greeley | CO |
| ARGO | New Hamburg | ON |
| Arro-Gun Spray Systems | Reno | NV |
| Van Diest SupplyCompany | Canon City | CO |
| Warne Chemical & Equipment Company | Rapid City | SD |
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