| Name | Labels | City | State / Province |
|---|
| H J M Agility, Dog Agility Training | clubfacilitytraining | Halesowen | West Midlands |
| HB Agility Equipment | | | |
| Hadley Acres Obedience & Care | facilityrentalstoretraining | Metamora | MI |
| Hamburg All-Breed Obedience Club | clubtraining | Blasdell | NY |
| Hamilton Dog Training Club | clubfacilitytraining | Fairfield | OH |
| Happy Dog Agility | facilitytraining | Moorpark | CA |
| Happy Dog Ranch | facilityrentaltraining | Ashland City | TN |
| Happy Feet K-9 Agility | training | Oak Creek | WI |
| Happy Hooligans K9 Training | onlinetraining | | Nova Scotia |
| Happy Tails Dog Sports & Training Academy | facilityrentaltraining | Portland | ME |
| Happy Tails Dog Training Center | training | Rapid City | SD |
| Happy Tails Inc. Training Tails | facilitytraining | St Louis | MO |
| Hardcore Agility | training | Cypress | TX |
| Haute Dawgs Agility Group | club | Sacramento | CA |
| Hawk City K9 - Stacey Hawk | facilitytraining | Chicago | IL |
| Heart Dog Agility | facilityrentaltraining | Ben Lomond | CA |
| Heaven on Arf - Brenda Aloff | facilityonlinetraining | Midland | MI |
| Hi-D-Ho Dog Training, Inc. | training | | VA |
| Hi-Flyers Agility Training | clubfacilitytraining | Winnipeg | MB |
| Hi-Top Dog Training | club | Hurley | NY |
| High Fidelity Dog Training | facilityrentaltraining | Everett | MA |
| High Flyer Agility Center | blogclubfacilityonlinerentaltraining | Mills River | NC |
| High Goal Agility | facilityrentaltraining | Greenwich | NY |
| High Octane Agility LLC. | facilitytraining | Doylestown | PA |
| High Point K-9 Center | facilitygeneralrentalstoretraining | Middletown | NY |
| Highest Hope Dog Sports | facilitytraining | Grand Blanc | MI |
| Hill Country Agility | clubfacilitytraining | Kerrville | TX |
| Hilltown Hounds Agility Club | clubfacilitytraining | Conway | MA |
| Hippie Dogs | blog | | FL |
| Hog Dog Productions LLC | facilityrentaltraining | Millersville | MD |
| Hollowell Dog Training | facilitytraining | Elida | OH |
| Home Grown Dog Sports | clubfacilitytraining | Monkton | MD |
| Homebuilt Agility Equipment | equipment | | |
| Homerun pet clinic and training | facilitygeneraltraining | Hurdle Mills | NC |
| HooliganTunnelWraps.com | store | Hagerstown | MD |
| Hooligans + Hijinks | blogequipment | | |
| Hot Diggity-Agility! | facilitytraining | Denver | CO |
| Hot Paws Agility at Flying Fox Farm | training | Havre De Grace | MD |
| Hotdog Agility - Christine Frank | training | Chesterfield | MI |
| Hotdog Agility - Christine Frank - Grand Blanc | training | Grand Blanc | MI |
| House of Spots | blog | | |
| Humboldt Dog Obedience Group, Inc | clubtraining | Eureka | CA |
| Hunterdon K9 Center | facilitytraining | Flemington | NJ |
| Huntsville Obedience Training Club | clubtraining | Huntsville | AL |
| Hutchinson Kennel Club, Inc. | clubfacilitytraining | Hutchinson | KS |
| Hybrid Dog Training | blogequipmentfacilityonlinestoretraining | Morrinsville | Waikato |
| Hyped 4 Agility | facilityonlinerentaltraining | Tomball | TX |
| Hyper Hounds Dog Training - Kim Boyes | facilitytraining | | |