Photonlexicon
Laserpointerforums
Greenlasers forum
Candlepowerforum
Spectraforum
Element

Scanners -

DT40pro's
Lasershowparts

DAC + software -

Pangolin
Moncha
Fiesta
Easylase
Mamba Black

Pointers and Modules -

www.laserpointers.co.uk
Bluesky Lasers
Laserglow
www.lasershowparts.com
Wickedlasers
Optotronics
Novalasers
Atlasnova
Destructivegear
Lucent Optics
Think Laser
Z-bolt
Deal Extreme
Bob Laser
Techlaser
Aixiz

Information sites -

Sams FAQ
Boomdog
Fineartradiograph

Other / Parts -

Drivers – Die4laser
Power meter – Die4laser
Optics - Edmund Optics
General laser stuff - Roithner Laser
General laser stuff - Lasermate
General Laser Stuff - Meredith Lasers
Mainly optics - Surplus Shed
Optics - Optics Online

If you would like your site added please contact me with the details