QB Corporation
Manufacturer of glulam beams, laminated beams, trusses, arches, curves, and specialty engineered wood products.
http://www.qbcorp.com/

Laser and Particle Beams
Laser and Particle Beams is an international journal which deals with the physics of intense laser and particle beams, the interaction of these beams with matter, and their applications.
http://www.cambridge.org/journals/journal_catalogue.asp?historylinks=subj&mnemonic=lpb

The World of Beams (Both Energy and Particle)
A fun site that will educate you about the physics of beams and related topics. These topics include accelerators, particle beams, and applications of beams in science today. The site is for all ages.
http://bc1.lbl.gov/CBP_pages/educational/WoB/home.htm

Cambridge University Press Journals - Laser and Particle Beams
An international journal which deals with the physics of intense laser and particle beams, the interaction of these beams with matter, and their applications. You can subscribe to the online journal or purchase specific articles.
http://www.cambridge.org/journals/journal_catalogue.asp?mnemonic=lpb

National Beams
Poutres nationales s'est bâtie une réputation d'excellence dans la fabrication sur mesure de poutres de bois pour tous vos projets de construction.
http://www.nationalbeams.com/

Chengxin Aluminum Products Co., Ltd
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http://www.ykcxlzp.com/

Vintage Beams and Timbers Architectural Salvage
Vintage Beams and Timbers, Inc. is a multi-faceted company that has been a supplier of fine recycled and antique lumber in the United States.
http://www.vintagebeamsandtimbers.com

Old West Woods
Manufacture of fine antique & wide plank flooring and custom millwork from vintage woods and timber. Hand hewn beams,box beams,distressed beams,distressed cabinets and aged wood flooring.
http://www.oldwestwoods.com

Crane Works Inc.
CraneWorks, Inc. designs, fabricates, installs & tests bridge cranes, monorails, jib cranes, gantry cranes, lite-rail systems, load beams, spreader beams, and special application lifting devices
http://www.craneworksinc.com/

Shenandoah Valley Reclaimed Lumber
Shenandoah Valley Reclaimed Lumber and Stone in Virginia (VA) offers a wide variety of reclaimed lumber, stairs, mantles, brick and stone from dismantled old barns and houses. Virginia's finest source of cedar, oak, flooring, brick and blue limestone and more.
http://www.svreclaimedlumber.com