- www.plasmas.org - Site on plasma research organisations and companies utilising plasma technology woldwide.
- www.plasma.ernet.in - Indian Plasma research centre
- www.plasmaindia.com - Plasma Facilitation centre of IPR
- www.aws.org - Site on welding technology
- www.twi.co.uk - Site on welding technology
- www.ewi.org - Site on welding technology
- www.eng-tips.com - Engineering forum
- www.plant-maintenance.com - Plant maintenance
- www.meiertool.com - Manufacturers of precision tools and dies.
- www.weldingjobs.com - Jobs in the Welding Industry.
- ww.unitekmiyachi.com - Unitek Miyachi is the world leader in Equipment and Systems for Resistance and Laser Welding, Pulsed Heat Soldering, Microjoining, Wirebond Pull Testing, and Precision Metals Joining.
- ww.eevl.ac.uk - EEVL is an award-winning free service, which provides reliable access to the best engineering, mathematics, and computing information available on the Internet.
- ww.ipfonline.com - Industrial Products Finder- Indian Engineering source for electrical, electronics, machine tools, material handling, plastics, packaging, pneumatics, hydraulics, pumps, valves, process equipment, instrumentation.
- ww.die-cut.net & www.mag-knight.com/diecutting - Laser Cutting & Die Welding.