Gulf Professional Publishing - Leading international publisher of books, CD-ROMS, and online services for petroleum, chemical, and process engineering professionals and students - http://books.elsevier.com/gulf/
Centre For Advanced Engineering - Information and on-line ordering of publications covering a range of engineering and technology. - http://www.caenz.com/
Steward and Sons - Offers DSP books (FIR, IIR, recursive, nonrecursive, adaptive, estimation, detection), and Filter books (Butterworth, Bessel, nomographs, lowpass, highpass, bandpass, bandstop, allpass). - http://www.steward-sons.com
Macatea Productions - Technical books, especially engineering texts. Site also contains technical articles. - http://www.macatea.com/
U-View Technical Publishers - Television circuit diagrams, television servicing and video servicing books and cd roms. - http://www.u-view-circuits.co.uk/
EMAS - Engineering and materials books. - http://www.emas.co.uk/
Techstreet - Engineering industry standards and technical books from many organizations. - http://www.techstreet.com/
Schematic Diagrams - Database of schematic diagrams and service manuals from every country. - http://www.schematic.com.ua
Electrical Code Simplified - Books that explain and illustrate the application of the electrical code rules. - http://www.psknight.com
Diagram - Schematic diagrams from a wide variety of countries. - http://www.diagram.com.ua/
Butterworth-Heinemann Engineering - Butterworth-Heinemann produces internationally-recognized professional books and reference texts in all branches of engineering for practitioners and students - http://www.bh.com/engineering
Civil Engineering Bookstore - Catalogs more than 20,000 books on every aspect of civil engineering including water resources, hydrology, hydraulics, environmental, structural, geotechnical, and transportation engineering. - http://www.civilbooks.com