Rectangular Marquee Tool
Javascript object for making a rectangular selections on your picture for some actions. DHTML image cropper (Hosting?)
http://marqueetool.net/

Negele Hartmetall GmbH
Germany. Produces range of round and rectangular bars, bushings, tubes, rings, discs, shaped parts, and rectangular EDM blanks. Available in high density alloys and tungsten carbide/copper/molybdenum qualities.
http://www.negele-hartmetall.de

Open Channel Flow Measurement Software
LMNO Engineering website interactive open channel flow measurement calculations software
http://www.lmnoeng.com/Waterfall/

AES Speakers
Makes in-wall rectangular loudspeaker.
http://www.aesspeakers.com/

Pentomino Relationships
Symmetries in the families of rectangular solutions.
http://www.snaffles.demon.co.uk/pentanomes/pentanomes.html

Tara Labs
Featuring rectangular solid core designs.
http://www.taralabs.com/

Market Profiles
Market Profiles is a full-service research company that surveys members of our online panel. The results are used by our clients to position their Internet companies.
http://www.marketprofiles.net/

Bhastrik Mechanical Laboratories
Not Just Bellows; we do not stop at producing diaphragm and convoluted bellows. We do everything that is done in a laboratory. Please contact our exclusive European representative.
http://www.bhastrikinternational.com

David Ash
square and rectangular tubing including secondary steel and pipe
http://secondarysteel.tripod.com

Life Profiles
Ghostwriting service offering autobiographical profiles.
http://www.webruler.com/lifeprofiles/index.html