Don K's Laser Page
So you want a working diode laser? Gives information on laser diode pointers.
http://members.misty.com/don/laserdon.html

Princetel Inc.
Manufactures broad range of fiber optic components and modules. Includes pigtailed and receptacle laser/photo diode modules and turnkey laser diode light sources. Site provides detailed product information.
http://www.princetel.com

Sigm Plus Co.
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http://www.siplus.ru

Calpac Lasers
CALPAC LASERS provides laser pointers, laser diode modules and laser levels to individuals, universities, businesses, and government agencies. Outstanding customer service and technical support are always available. Same day shipping on most orders.
http://www.calpaclasers.com

World Star Tech.
Manufactures green, red, & infrared laser diode modules, laser module, laser for biomedical applications.
http://www.worldstartech.com/

Laser Grafix UK
UK based laser displays and suppliers of laser projection equipment, including projectors, digital video, LED screens and diode lasers for entertainment and advertising
http://www.lgfx.co.uk

CrystaLaser
Green laser, blue laser, yellow laser, red laser, infrared laser and UV ultraviolet Laser systems are manufactured by crystalaser. They are ultra-compact diode-pumped solid-state DPSS Crystal laser systems in CW and Q-switched pulsed output. The YAG, YLF, SHG Nd:YAG green lasers are for industrial application in holography, biomedical, fluorescence, replace Argon and He-Cd lasers
http://www.crystalaser.com

Photonic Products Ltd
Photonic Products manufactures laser diode modules and laser diode assemblies and is an authorised distributor of industrial laser diodes from Sanyo, Opnext and Sony and optical lenses from Panasonic
http://www.photonic-products.com/

Spin One
Offers selection of products and services for laser based research and industrial lab requirements. Includes thermoelectric cooler drivers/controllers for diode laser arrays and other large heat loads.
http://spin1.com

Photonic Products Ltd
Photonic Products is a manufacturer of custom designed electro-optical sub-assemblies and TE cooled laser modules, laser alignment systems, circular beam laser diode modules and elliptical beam modules, receptacle packaged laser diodes and pigtailed laser diodes
http://www.photonics.uk.com/company_ov.htm