CU Sommers-Bausch Observatory
Offers views of the sun (visible, ultraviolet, x-ray), Venus (ultraviolet), Jupiter's great red spot (infrared), and Saturn's aurora (ultraviolet).
http://www.colorado.edu/physics/PhysicsInitiative/Physics2000/waves_particles/astrotext.html

UltraViolet Lights for Fluorescent Mineral Collecting
Ultraviolet lights and accessories for professionals and hobbyists interested in the UV spectrum.
http://www.uvsystems.com/

Fuller Ultraviolet Corporation
Fuller Ultraviolet Corporation - Since 1951, Fuller has offered the latest technology for liquid sweetener tanks. We design and manufacture a wide series of sterile conditioner units and exhaust air vents for tanks from 250 gallons to 600,000 and beyond. - Fuller Ultraviolet Corporation
http://www.fulleruv.com

International Radiation Detectors
International Radiation Detectors manufactures UV, XUV, and EUV photodiodes for applications in the vacuum ultraviolet, extreme ultraviolet and the soft x-ray spectral region and for detection of electrons. IRD also provides radiometric characterization.
http://www.ird-inc.com/

USDA UVB Radiation Monitoring Program
Collects information on geographical distribution and temporal trends of UVB (ultraviolet -B) radiation in the US, in order to assess potential impacts of increasing ultraviolet radiation levels on agricultural crops and forests.
http://uvb.nrel.colostate.edu/UVB/home_page.html

Mercier
Urethane-coated flooring cured under ultraviolet rays.
http://www.mercierwoodflooring.com/

Sontegra
UV Tanning Beds, Ultraviolet Tanning Booths and Tanning Salon Equipment from Sontegra
http://www.sontegra.com/

Sun Emporium
Sun protective swimwear, sun protection clothing, rash guards, hats, caps, sun protection polo shirts are manufactured by Sunemporium.com. Sun protective swimwear and clothing protecting against UVA and UVB.
http://www.sunemporium.com

Aquionics, Inc.
Ultraviolet, deozonation, dechlorination, and TOC reduction of drinking water.
http://www.aquionics.com/

Wildfire
Welcome to the world of spectacular, ultra-bright UV (black light) effects! Wildfire manufactures professional-grade UV lighting and expendable materials for creating the brightest possible UV effect.
http://www.wildfirefx.com