e-Humidifiers - Offers the Thermolec line of furnace humidifiers. Includes safety and installation information. - http://www.e-humidifiers.com/
Miller Electric - Produces a whole house furnace humidifier that attaches to a forced air heating system. Includes photos and installation instructions. - http://www.millermister.com/
All4Elements - Sells a range of Ultrasonic Room Humidifiers. Provides a buying guide and addresses the reasons to humidify. - http://www.humidifiersdirect.com/
SureSource - Presents the Bemis product line, including accessories and parts. - http://www.bemis-store.com/
Vesper Research - Sells the a non-electric room humidifier as well as a water purifying pitcher. Offers testimonials and policies. - http://www.vesperresearch.com/