| Company | Category | Area | Address | Web | Contact person | |
| HORSEPOWERSALES.NET | Automobile Racing Car Equipmen | Ohio | 2611 N SCOTT ST, NAPOLEON, Henry, Ohio, 43545-9133, USA | www.horsepowersales.net | - | Doug Pelmear |
| HORSEPRIME INC | Animal Services | Virginia | 1305 E LEE RD, STERLING, Loudoun, Virginia, 20164-2753, USA | www.fast-pitch.com | - | Kristian Aasmo |
| HORSEPROBLEMSCOM | Animal Services | California | 7385 PINTO DR, SANGER, Fresno, California, 93657-9024, USA | - | - | Vincent Thomas |
