American Pharmaceutical Partners ( APPX) -- American Pharmaceuticals Partners developed a drug delivery solvent-free treatment (Abraxane) for breast cancer using nanoparticles.

Advanced Nanotech AVNA.OB -- Advance Nanotech Inc., specializes in the acquisition and commercialization of nanotechnology. Their interests are focused in three nanotechnology areas, namely: electronics, biopharma and materials. See: http://www.advancenanotech.com/ for more info.

Accelrys (ACCL) -- Accelyrs develops and commercializes scientific software and technology used in drug design and chemical development. The Company's molecular modeling, simulation, and informatics software are used extensively in the area of nanotechnology.

American Superconductor Corp (AMSC) -- American Superconductor Corp is a leading electricity solutions company. It has successfully developed and filed a patent application for a nanotechnology-based manufacturing technique that delivers an immediate 30% increase in the electric current-carrying capability of the company's second generation (2G) high temperature superconductor (HTS) wire.

Altair Nanomaterials Inc. (ALTI) --Altair Nanotechnologies is a supplier of premier nanomaterials for commercial, market-driven applications. With its proprietary, patented technology platform for economically manufacturing a variety of nanomaterials in commercial quantities, the company has positioned itself to become a leading supplier of both nanomaterials technology and nanomaterials worldwide.

Arrowhead Research Corp. (ARWR) -- Arrowhead Research is a diversified nanotechnology company. There are three strategic components to Arrowhead’s business model: the formation or acquisition of subsidiary companies that are pursuing specific product and technology development in the field of nanotechnology; the funding of nanoscience research at universities in exchange for the right to commercialize resulting intellectual property, and the acquisition, license and sublicense of intellectual property in nanotechnology

FEI Company (FEIC) -- FEI Company designs, manufactures, markets and services products and systems that are used in research, development and manufacturing of nanotechnology objects. FEI's Tools for Nanotech(TM), featuring focused ion- and electron-beam technologies, deliver 3D characterization, analysis and modification capabilities with resolution down to the sub-Ångström level.

Harris & Harris Group Inc. (TINY) -- TINY is a publicly-traded venture capital company investing in tiny technology including nanotechnology, microsystems and microelectromechanical systems (MEMS) technology

Hewlett Packard (HPQ) --HP Quantum Science division, lead by R. Stanley Williams, was able to create a memory system based on molecular electronics

LSI Logic Corp (LSI) -- LSI Logic has joined up with Nantero a Massachesetts-based startup company. LSI is providing manufacturing research and development for a new kind of computer memory using carbon nanotubes. LSI sees a product possibly as early as 2006.

Lumera Corp. (LMRA) Lumera develops proprietary polymer materials and products based on polymer materials for a broad range of applications. Lumera engineers polymer materials at the molecular level - commonly referred to as nanotechnology - to optimize their electrical, optical and/or surface properties.

Nanometrics Inc. (NANO) -- Nanometircs is designs, manufactures and markets high-performance process control metrology systems used in the manufacture of semiconductors/integrated circuits and flat-panel displays.

Nanogen Inc. (NGEN) --Nanogen is a leading supplier of molecular diagnostic tests to the medical community and to clinical researchers. Nanogen commercializes instruments, consumables, electronic microarrays and reagents through a direct sales force and distributors in North America,

Nanophase Technologies Corp (NANX) -- Nanophase Technologies is an industry-leading nanocrystalline materials innovator and manufacturer with an integrated family of nanomaterial technologies. The entire focus of Nanophase is nanotechnology, with two distinct and patented processes for the preparation and commercial manufacturing of nanopowder metal oxides i.e. Aluminum Oxide, Zinc Oxide, Cerium Oxide, Titanium Dioxide, and several others.

NVE Corp (NVEC) -- NVE develops and sells devices using "spintronics," a nanotechnology they helped pioneer, which utilizes electron spin rather than electron charge to acquire, store and transmit information.

Ultratech Inc. (UTEK) Ultratech, Inc. designs, manufactures and markets photolithography equipment used worldwide in the fabrication of semiconductor and nanotechnology devices, and has pioneered laser processing technology for IC manufacturing.

Veeco Instruments Inc. (VECO) --Veeco provides metrology and process equipment systems for industry leaders in the semiconductor, data storage, telecom/wireless and scientific/research markets.