HiCOOL Electronics Corp.
Manufacture of thermoelectric, heat sinks and thermoelectric sub-assemblies. From China.
http://www.hicooltec.com/

Melcor Thermal Solutions
Manufactures thermoelectric components, including thermoelectric coolers, fans heatsinks and thermal compounds.
http://www.melcor.com

Nanoenergy Technologies
Develops a thermoelectric coolchip having a high efficiency, 10-15 times higher than so called Peltier-elements working on the same basic principle. The coolchip, which consists of different semiconductor materials built using nanotechnology.
http://www.nanofreeze.se/

Advanced Thermoelectric Products
Advanced Thermoelectric Products supplies original equipment manufactures and leading research institutions around the world with state-of-the-art thermoelectric (TE) modules, air conditioners, chillers, and assemblies used to cool or control temperatures by utilizing the Peltier Effect. They also sell complementary AC-to-DC Power Supplies and temperature Control equipment
http://www.electracool.com/

P Elements in Drosophila
The natural biology of P-elements, and how it has been harnessed into a powerful genetic tool.
http://engels.genetics.wisc.edu/Pelements/Pt.html

Elements
Periodic table of the elements, packed with data and able to interactively produce useful graphical output. It also speaks!
http://rogerdarlington.members.beeb.net/ShopE.htm

Rediscovery of the Elements
Rediscovery of the elements is a visual tour of the original sites of the discovery of the chemical elements.
http://www.jennymarshall.com/rediscovery1.htm

ChemicalElements.com: Online Periodic Table
An up-to-date periodic table with detailed but easy to understand information
http://www.chemicalelements.com

Heteroatom Chemistry
Publishes work with compounds containing main-group elements of groups 13 through 17 of the Periodic Table and certain other related elements.
http://www3.interscience.wiley.com/cgi-bin/jhome/38027

Elements of life
Chemistry is a constant and even unnoticed companion in our everyday activities. Right in the centre of all this are the chemical elements of the periodic table, on the basis of which chemists are constantly developing new, interesting solutions and products
http://www.elements-of-life.org/