Steve Parrish received a B.S. in Chemical Engineering from the University of Colorado in 1981. From 1981 to 1982 he worked as a process engineer in the Allied Chemical Helena, Arkansas ammonia plant. From 1982 to 1988 he was the process engineer for Allied Chemical/Arcadian Corporation in their Geismar, Louisiana Kellogg ammonia plant. In 1988 he joined BASF catalysts and was responsible for half of the US ammonia plants until 1990.

Parrish Process Services has been evaluating syngas and hyrdogen plants since 1990. Plant studies have been conducted in 47 different plants in 8 countries for clients including:

  • Agrico
  • Agrium
  • CF Industries
  • Cherokee Nitrogen
  • Coffeyville Resources
  • Cytec Industries
  • Dakota Gasification
  • DuPont
  • El Dorado Chemical
  • Engro Fertilizer
  • Enron
  • Koch Nitrogen
  • Monsanto
  • Mosaic
  • Oman Chemicals and Pharmaceuticals
  • PCS Nitrogen
  • Reliant Energy
  • Rentech Nitrogen
  • Syncrude
  • Triad Nitrogen
  • Unocal
  • Wycon Chemical