J and S Tank Head Supply
tank heads, manways, stainless steel tank heads, pressure vessel tank heads, carbon tank heads, elliptical tank heads, flanged and dished tank heads, semi-elliptical tank heads, polished heads, rolled cylinders, dimpled jackets
http://www.j-ssupply.com/

ATM Heads
Electromag – ATM HEADS, ATM PARTS, ATM REPLACEMENT PARTS, ATM BELTS, ATM ROLLERS, DIEBOLD ATM PARTS, NCR ATM PARTS, OMRON ATM PARTS, WINCOR ATM PARTS, IBM ATM PARTS, BULL ATM PARTS, SANAC ATM PARTS, SANKYO ATM PARTS, SEIKI ATM PARTS, ATM REPAIR, ATM MAINTENANCE, ATM SERVICE, DIEBOLD I, DIEBOLD IX, MCRW, ICT3Q5, ICT3A5, MAGNETIC HEADS, MAG HEADS, CARD READER HEADS, CARD READER REPAIR, CARD READER MAINTENANCE, CARD READER SERVICE, SWIPE READER HEADS, SWIPE READER PARTS, READ HEAD, WRITE HEAD, PLAY HEAD, MAGNETIC TAPE HEAD, MICR HEADS, MICR PARTS, ACCESS CONTROL, TOLL COLLECTION, PARKING, TOLL COLLECTION, MAG STRIPE
http://www.atmheads.com

Metrics Unlimited Inc.
Distributor of quality metric fasteners and cutting tools since 1974. Products include socket heads, flat heads, hex heads, button heads, threaded rod, stainless steel fasteners, taps, dies, reamers and end mills.
http://www.metricsunlimited.com

Phantom Energy and Cosmic Doomsday
Phantom energy, with negative sum of pressure and energy density, could lead to the universe tearing itself apart in a "Big Rip".
http://arxiv.org/abs/astro-ph/0302506

B & W Heads
Fabrication of dome tops, tank heads, and complex compound dishing of aluminum and steel.
http://www.bwheads.com/

North American Products
One of the largest tooling and service manufacturers of cutting tools
http://www.naptools.com

Quadco Equipment Inc.
Quadco has sought to develop technically competitive advantages to its products, saw teeth & felling heads, in order to differentiate itself from its competitors. The company's single focus is wood harvesting equipment. To this day, it remains its sole orientation, thus resulting in proficiency in this domain and thereby establishing Quadco as a leader in its field.
http://www.quadco.com/

Wimberley Tripod Heads
Wimberley, Inc is a designer and manufacturer of professional photography equipment
http://www.tripodhead.com

Two Heads Media Consultancy
Two Heads specialise in sub-sector targeting and can facilitate delivery to small residential clusters of as little as 200 letterboxes for door to door delivery.
http://twoheadsmedia.co.uk

Triangle Components Tank Heads
Tank heads, stainless and alloy pressure vessels, sanitary gaskets, tank head and sanitary manways.
http://www.trianglecomponents.com/