Hazel: Corylus avellana
Photographs of this tree, its leaves, nuts and catkins.
http://www.plant-identification.co.uk/skye/corylaceae/corylus-avellana.htm

American Hazel: Corylus americana
Description and range, with photographs of twig, bark, leaves, catkins, nuts and form.
http://www.cnr.vt.edu/DENDRO/DENDROLOGY/SYLLABUS/factsheet.cfm?ID=208

Hazel Tree
Translation, editing, proofreading and project coordination in Spanish, English and Catalan. Freelancer Hazel Whiteley based in United Kingdom.
http://www.hazeltree.com/

Dickinson's Witch Hazel
Producer of natural witch hazel astringent, soaps, skin soothing salve, oral care, and other personal care products.
http://www.witchhazel.com/

Best Nuts 'n Bolts
Orange County, California industrial fasteners: automotive fasteners; construction fasteners; nuts, bolts, screws, rivets, pins, fittings, washers, stainless fasteners, bins, wholesale and retail
http://www.bestnutsbolts.com

Boltmate Inc.
Manufacturer of self-torquing, tamperproof structural and anchor nuts along with vibration-proof hex nuts.
http://www.boltmate.com

Dee's Nuts
description goes here
http://www.deesassortednuts.com

Australia’s Most Delicious Bush Nut: Macademia Nuts
Information on these nuts, their history, distribution, cultivation, nutritional benefits and uses.
http://sres-associated.anu.edu.au/fpt/nwfp/macanut/macanut.html

Simmonds Marshall Ltd.
Indian manufacturer and world-wide exporter of self-locking nuts, weld-nuts, caps and other specialty fasteners.
http://simmondsmarshall.com

Archer Screw Products, Inc.
Manufacturer of standard and special fasteners including bolts, nuts, lock nuts and machine screws.
http://archerscrew.com/