Jersey Shore Steel
Manufacturer of light gauge, high strength rail steel angles including angle fabrication.
http://www.jssteel.com

Greco Brothers Incorporated
custom fabricated steel, stainless steel, aluminum, and plastic products
http://www.grecobrothers.com/custom.htm

Division in Mean and Extreme Ratio
The base angle of the largest trinalges of most representations of Sri Yantra are about 52 degrees, close to the base angle of the Great Pyrmaid of Cheops, which is 51deg50'. With such a base angle, the ratio of the hypotenuse to half the base is phi, the Golden Ratio.
http://alumni.cse.ucsc.edu/~mikel/sriyantra/golden.html

Taft-Peirce Metrology
Suburban Tool, Inc. - THE TAFT-PEIRCE PRODUCT LINE
http://taftpeirce.com

Slotco Steel
manufacturers of Slotted Angles, slotted angles Storage Systems, Cable Trays, Pallet Racking, Mobile Rack & Slotted Angle Rack, Super Market shelvings, Modular Mezzanine Floors,Bins & Drawers,Palletised Racking Systems, Accessories, SLotco Steel Products Pvt. Ltd., Naraina, New Delhi
http://www.slotcosteel.com

Fast Newton-Raphson Torsion Angle Minimizer (FANTOM)
Calculates low-energy conformations of polypeptides and proteins, compatible with distance and dihedral angle constraints obtained typically from NMR experiments. Free for academics.
http://bose.utmb.edu/fantom/fm_home.html

Right Angle Brackets (Revision 2)
Explains ways to allow >> to be treated as two closing angle brackets, as well as to discuss the resulting issues. A specific option is proposed along with wording that would implement the proposal in the current working paper.
http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2005/n1757.html

Curtis Machine Company, Inc.
Manufacturers of right angle, straight bevel, and spiral bevel gearboxes and gearcases, parallel shaft speed reducers as well as off angle bevel gear drives.
http://www.curtismachine.com/

The Sioux City Foundry Company
Not just a Foundry, we handle all of your Metal Needs! Best known for castings, we have structural fabrication, reinforcing steel and contract manufacturing departments that can handle any job from large to small. We also warehouse a competitive amount of stock.
http://www.siouxcityfoundry.com/

Sterling Power Systems (division of Sterling Electric, Inc.)
Manufacturer and distributor of AC/DC motors, drives, gearmotors, and reducers.
http://www.sterlingpowersystems.com