Coherent Inc
Coherent, Inc is a company with headquarters located in Santa Clara, California, United States, with other sites located in the US, Europe, and Asia. It was founded in 1966 by Eugene Watson as a spin-off from laser company Spectra-Physics and converted to public ownership in 1970.

Arcelor Mittal USA
ArcelorMittal USA is part of ArcelorMittal, the world’s leading steel and mining company. Guided by a philosophy to produce safe, sustainable steel, we are a leading supplier of quality steel products in major North American markets including automotive, construction, pipe and tube, appliance, container and machinery. In the United States, ArcelorMittal employs more than 18,000 people at 27 operations.
ArcelorMittal S.A. is a multinational steel manufacturing corporation headquartered in Luxembourg City. It was formed in 2006 from the takeover and merger of Arcelor by Indian-owned Mittal Steel.

Nippon Steel & Sumitomo Metal
The head quarters of this company is located at Fuji. The revenue gathered by sales of is reported to be about $54.80 billion. The profits of this company in the year 2015 was about $2.30 billion. About $67.50 billion is the net asset value of this company. The market for this company is about $25.30 billion.

POSCO
POSCO is a South Korean steel-making company headquartered in Pohang, South Korea. It had an output of 42 million tonnes of crude steel in 2015, making it the world's fourth-largest steelmaker by this measure. In 2010, it was the world's largest steel manufacturing company by market value. Also, in 2012, it was named as the 146th world's largest corporations by the Fortune global 500. POSCO currently operates two integrated steel mills in South Korea, in Pohang and Gwangyang.