DANBURY, Conn.--(BUSINESS WIRE)--Praxair, Inc. (NYSE:PX) was recently named in the top quartile of Forbes’ list of the best 500 companies to work for in the United States. Over 20,000 employees at companies with at least 2,500 people were surveyed for the America’s Best Employers List. Forbes conducted the survey with global digital data collection partners who use innovative technology and proven sampling methodologies to facilitate a deep understanding of opinions and behavior. Participation