General Semiconductor
Manufacturer and global supplier of power MOSFETs, rectifiers, small signal transistors, and transient voltage suppressors products.
http://www.gensemi.com/

Diodes Incorporated
Customer-oriented manufacturer & supplier of discrete semiconductor components. Public company (NASDAQ: DIOD ) since 1966. Headquarters and North American Logistics / Inventory Center in Westlake Village, CA U.S.A. Products marketed include small signal transistors and MOSFETs, transient voltage suppressors (TVSs), Zener, Schottky, diodes, rectifiers and bridges available in popular axial and surface-mount packages.
http://www.diodes.com/

Transistors
transistors tutorials,
http://www.williamson-labs.com/480_xtor.htm

Crystalonics
CRYSTALONICS, formed in 1958, is a broadline semiconductor manufacturer of Small Signal Transistors, JFETS, DUAL & QUAD TRANSISTORS, POWER TRANSISTORS, CURRENT REGULATOR DIODES, VARACTOR DIODES and custom HYBRID MICROCIRCUITS. Most of the products are available in standard as well as surface mount packaging for Industrial, Military, and Space applications. Crystalonics also upscreens rectifiers and other products from other manufacturers to the
http://www.crystalonics.com

Transistors
transistors tutorials,
http://www.williamson-labs.com/480_xtor.htm

Space and Signals Technologies, LLC
The Social Media blog is your single destination for updates on the AIM Buddy blog, the AIM Pages blog, the AOL Community Info blog, the Expressions Factory, the Marvelous Mob and the Social Media Mess blog.
http://members.aol.com/spaceandsignals/

Master Training Packages in Biomedical signal Processing
Graduate "distance learning": Extraction of Signals from Noise, Computing Methods for Simulation Modelling and Analysis, Instrumentation Signal Acquisition and Stimulation, Signal Analysis for Medicine and Physiology, Biomedical Signal Processing: Concepts and Techniques, sound and vibration, biomedical signal processing, ISVR, Institute of Sound and Vibration Research, University of Southampton
http://www.soton.ac.uk/~mtpbsp/

TASI Technical Software
Products of TASI Technical Software Inc. These products include software packages of the Piezoelectric Resonance Analysis Program (PRAP) and the Electromechanical Response Characterisation Program (STEP).
http://www.tasitechnical.com/products.html

Kovacevic, Jelena
Wavelets, frames, biomedical signal processing, multirate signal processing, data compression and signal processing for communications.
http://www.andrew.cmu.edu/user/jelenak/

ZSP Signal Processing
Audio signal and digital signal processing hardware and solutions from LSI Logic. Includes dsp communications solutions, IP cores, and VOIP products.
http://www.zsp.com