International System of Units
Definitions of SI units and SI prefixes, units outside the SI, rules and style conventions, historical context for SI units, international aspects of the SI, and unit conversions.
http://physics.nist.gov/cuu/Units/index.html

Microguru Corporation
Basic Inventory Control (BIC) tracks the orders, receipts, shrinkage, allocation, and shipment of products. BIC displays physical units in stock, allocated units, available units in stock, and units on order.
http://www.microguru.com/

Isolate, Inc.
Hospital TB isolation units, odor control, HEPA air filtration, IAQ chemical air filter units, ultraviolet disinfection, air filtration, and air conditioning units.
http://www.isolate.com/

CC Jensen Oil Filtration Units
CJC Purifiers, water separators and fine filtration units are offline units that will circulate the oil in the reservoir of the machine leaving you clean and dry oil.
http://www.ccjensen.com/

GHD Hydraulics
DAIKIN Industries
http://www.ghdhydraulics.gbr.cc

The Foot Rule
Tables of unusual measures such as Wool Weights, Yarn Lengths, Coal Weights, Butter Weight, Hay and Straw capacities, Timber Capacity, Cotton Wool Weights & Miscellaneous Liquid Measures.
http://www.footrule.com/

Air Conditioning Excellence
Air Conditioning Excellence, Inc. services a large number of different manufacturers units. All services are done in South Florida, and with prices that fit every application and budget.
http://www.acexcellence.com/

Bright Technologies
Bright Technologies a division of Sebright Products, Inc., manufacturers high quality Belt Filter Press and High Density Extruders for dewatering, solidification and de-packaging of your wet waste material, Xtractors for outdated recycling, and Densifiers for EPS and EPP Foam.
http://www.brightbeltpress.com/

Unit Conversions
Chemie.DE Unit Converter / Chemie.DE Einheiten-Umrechnung
http://www.chemie.de/tools/units.php3?language=e

Units of Measurement
Conversions of the units of measure of the SI and equivalent Anglo-Saxon. International System of units, surface, lengths, weights, capacity, diameters, temperature, BEAUFORT, volumes, pressures, bores, AWG, empty, angles, speed, thread, clothes, calendar, numerations, etc.
http://www.themeter.net/index_e.htm