.hair - haircare products and services

.health - health and related topics

.healthcare - Primary/secondary care physicians, hospitals & clinics, healthcare insurance providers &
                      brokers, company HR/benefits departments

.help - help sites

.here - generic geographic

.hiphop - Hip hop culture

.hiv - AIDS and HIV awareness

.hockey - Sports media, sporting goods stores & hockey equipment suppliers, professional, minor
                league & amateur hockey teams, hockey fans, fantasy leagues, sponsors, coaches & referees

.holdings - Holding companies, private equity firms, real estate developers

.holiday - Airline-related products or services, travel agencies, resources & services, travel writers &
                bloggers, city guides & resource sites, hotels, hostels, B&Bs, lodging

.homes - real estate professionals

.horse - horse-related businesses and interest

.hospital - Hospitals & clinics, healthcare providers, medical, dental, or vision specialists,
                  insurance providers

.host - network companies

.house - Real estate brokers/agents, mortgage companies, home builders, construction/home improvement
               suppliers, home improvement sites & blogs

.how - how-to guides