Engineering

Centre For Advanced Engineering - Information and on-line ordering of publications covering a range of engineering and technology.
http://www.caenz.com/

Techstreet - Engineering industry standards and technical books from many organizations.
http://www.techstreet.com/

Macatea Productions - Technical books, especially engineering texts. Site also contains technical articles.
http://www.macatea.com/

Schematic Diagrams - Database of schematic diagrams and service manuals from every country.
http://www.schematic.com.ua

National Electrical Safety Code Handbook - Purchase the National Electrical Safety Code or McGraw-Hill's NESC Handbook (US).
http://www.codehandbook.com/

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/

Diagram - Schematic diagrams from a wide variety of countries.
http://www.diagram.com.ua/

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

Engineering Education Service Center - Offering resource information designed to promote interest in engineering. Includes DVDs, apparel, and books.
http://www.engineeringedu.com/

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

U-View Technical Publishers - Television circuit diagrams, television servicing and video servicing books and cd roms.
http://www.u-view-circuits.co.uk/

Electrical Code Simplified - Books that explain and illustrate the application of the electrical code rules.
http://www.psknight.com

EMAS - Engineering and materials books.
http://www.emas.co.uk/