Laser company Web links (original, courtesy Josef Kapitan):

 

Coherent group, many types of lasers:

CO2 Lasers--CW tunable--Diode Lasers

Diode Modules Low power--Diode-Pumped Solid-State lasers--Excimer--HeNe Lasers--Ion Lasers--Pulsed--Terahertz--Ultrafast Lasers

http://www.coherentinc.com/Products/index.cfm?fuseaction=Interfaces.ProductCategory&PCID=23

Spectra-Physics Inc. --Now owned by Newport
Manufactures broad range of laser and optical components and devices for industrial, medical, and research markets. Site incorporates detailed product information.

http://www.newport.com/Lasers/1/productmain.aspx

Lambda Physik--Excimers and Dyes very good (Coherent now owns)

http://www.lambdaphysik.com/script/content.asp?area=2&sitepages_id=97&mid=3

PTI - Nitrogen and Dye Lasers, fluorescence pumps

http://www.pti-nj.com/obb_11.html

Lumonics, industrial lasers

http://www.raymax.com.au/a/19.html

Photonics Industries International Inc. - http://www.photonix.com/
Manufacturer diode and lamp pumped solid state laser systems with harmonic generation and tunable wavelength features and benefits. Applications include micromachining, stereolithography, and photopolymerization.

Diode Pumped Solid State Lasers Nd:YAG, Nd:YVO4, Nd:YLF

Lamp Pumped Solid State Lasers Nd:YLF

http://www.photonix.com/products.htm

Quantel--yag lasers

http://www.bigskylaser.com/lablasers.html

 

Others, sometimes good for pictures:

Lee Laser Inc. - http://www.leelaser.com
Specializes in manufacture of lamp and diode pumped Nd:YAG lasers

http://www.leelaser.com/

Light Age Inc. - http://www.light-age.com/
Specializes in systems based on use of alexandrite crystal as laser medium. Can be employed in numerous medical research and material processing situations. Site incorporates account of underlying technology and benefits.

Solid-State lasers

http://www.light-age.com/index.php?page=index 

Industrial Microphotonics Company - http://www.imclaser.com/
Specializes in supply of high power laser diodes and associated products. Includes unmounted bars, array submodules, and laser diode and fibre coupled arrays. Site includes handling tips and application notes.

http://www.motionnet.com/cgi-bin/search.exe?a=sc&no=9059  

IPG Photonics - http://www.ipgphotonics.com/
Specializes in high performance fiber amplifiers and fiber lasers. Applications include communications, materials processing, test and measurement, and research markets. Site provides detailed product and usage information.

http://www.ipgphotonics.com/html/8_all_products.cfm

PD-LD Inc. - http://www.pd-ld.com/
Markets fiber optic components for broad range of applications. Includes laser diodes and light sources, bi-directional devices, attenuators, LEDs, detectors, and collimators. Company is member of consortium headed by Princeton University.

http://www.pd-ld.com/products_diodes.htm

Time-Bandwidth Products AG - http://www.tbwp.com/
Switzerland. Manufactures ultrafast lasers. Applications include material processing, medical diagnosis, sensoring, testing, and communications. Site explains nature, features, and benefits of underlying technology.

http://www.tbwp.com/

LG Laser Technologies GmbH - http://www.lg-lasertechnologies.com
Germany. Supplies wide range of customized laser systems. Includes equipment for industrial and medical testing and measurement, material surface treatment, printing quality control, and entertainment displays

http://www.lg-lasertechnologies.com/index_en.html#

QPhotonics, LLC - http://www.qphotonics.com
Specializes in supply of fiber-coupled high brightness laser diodes, OEM modules, and turnkey systems in 660-1800 nm range. Site includes details of available products and suggested applications

http://www.qphotonics.com/

CrystaLaser - http://www.crystalaser.com
Manufactures diode-pumped crystal lasers for OEM, scientific, and industrial use. Downloadable catalog provides details of available green, blue, red, IR, UV, and Q-switched models.

Diode Pumped Crystal Laser

http://www.crystalaser.com/

Hubei Guangtong Photoelectronic System Co., Ltd - http://www.ChinaOptronics.com/
China. Manufactures and distributes Nd:YAG and CO2 lasers, industrial laser cutting, marking, and welding machines, and broad range of related accessories. Site incorporates detailed product information.

http://www.chinaoptronics.com/