The most important application of diazo coupling reactions is electrophilic aromatic substitution of activated benzene derivatives by diazonium electrophiles. The products of such reactions are highly colored aromatic azo compounds that find use as synthetic dyestuffs, commonly referred to as azo dyes.
The biggest IT vendors in the world by revenue. Research and advisory company, Gartner, has published the top global 100 vendors in IT in 2016 based on their revenue across IT and component market segments. Apple is listed as the largest vendor with more than $218 billion in IT revenue â approximately $79 billion larger than second placed Samsung Vendor Group, while Google is third.
United Rentals, Inc. NYSE: URI) is the largest equipment rental company in the world, with over 880 rental locations throughout the United States and Canada. The company was founded in 1997 by Bradley Jacobs and seven others, and its customer base includes construction and industrial companies, utilities, municipalities, and homeowners.