Profile: Merichem Chemicals & Refinery Services LLC provides products and services to a wide range of operations including the refining and petrochemicals industry. We offer hydrocarbon treating solutions and by-product management services, which remove sulfur and other impurities from hydrocarbon liquids and gases in the upstream and downstream energy sectors. Our services include complete basic engineering design, operating and maintenance manuals, process licensing, detailed engineering design, fabrication of modularized systems, and installation supervision.