SEMI is a global industry association serving companies that provide equipment, materials and services used to manufacture semiconductors, displays, nano-scaled structures, micro-electromechanical systems (MEMS) and related technologies.

SIA is a trade association representing the U.S. semiconductor industry and unites over 70 companies that account for nearly 90 percent of the semiconductor production in the United States.

SEIA is a national trade association of the solar energy industry. Which works to make solar a mainstream and significant energy source by expanding markets, removing market barriers, strengthening the industry and educating the public on the benefits of solar energy.

SEMI is a global industry association serving companies that provide equipment, materials and services used to manufacture semiconductors, displays, nano-scaled structures, micro-electromechanical systems (MEMS) and related technologies.

The American Welding Society (AWS) is a multifaceted, nonprofit organization with a goal to advance the science, technology and application of welding and related joining disciplines.

ASTM International is one of the largest voluntary standards development organizations in the world - a trusted source for technical standards for materials, products, systems, and services.

Master Converter is an easy-to-use program that converts nearly 800 units in 39 categories, with the ability to add your own units and categories. Very small file size. Shareware.