Apex Steel Pipe and Piling
Steel Pipe - Apex Steel Pipe buys and sells new, surplus, and used steel pipe. Steel pipe in all different sizes. International inquiries welcome. Apex Steel Pipe has new, used, and surplus steel pipe available in all sizes.
http://www.apexpipe.com/

Organ-pipe Mud-dauber: Trypoxylon politum
Photographs and information on the natural history of this solitary wasp.
http://entomology.uark.edu/museum/muddaub.html

Garneau Inc.
Manufacturer of pipe coating systems and pipe line construction equipment design and manufacture.
http://www.garneau-inc.com

Southeast Pipe Survey
Patterson, Georgia based construction firm specialising in trenchless pipe rehabilitation.
http://www.southeastpipe.com/

Advanced Drainage Systems [ADS]
ADS Advanced Drainage Systems is the world's largest manufacturer of polyethylene corrugated HDPE pipe products.
http://www.ads-pipe.com/

Northwest Pipe Company

http://www.nwpipe.com/

Lophocereus schottii
Meanwhile, we’re getting to be on a first-name basis with some of the desert cacti.  In Organ Pipe Cactus National Monument, located on the border with Mexico, the star of the botanical stage is, obviously, the Organ Pipe Cactus.  It also has a lesser known, but also spectacular relative, the Senita Cactus, one of our favorites. 
http://www.desertusa.com/mag05/dec/op_cactus.html

Cereus thurberi
All about the desert plant, Organ Pipe Cactus, description, photo, range, habitat and scientific and common names.
http://www.desertusa.com/aug96/du_organpipe.html

Can Clay Corporation
Can Clay is a manufacturer of vitrified clay pipe for sanitary sewer, storm sewers installed using open trench, microtunneling, pipe bursting. Also fireplace throats, flue lining, chimney tops, filter block, wine racks, ISO 9002 certified quality system,
http://www.canclay.com/

North Pacific Organ and Sound
Specializes in digital organ technology for churches. Dealer of Allen Organs in Western Washington and Alaska, USA.
http://www.nporgansound.com/