Consulting Engineering firm located in Edwardsville, IL that specializes in Finite Element Analyses (FEA), Computational Fluid Dynamics (CFD) Analyses, Fitness For Service (FFS), Re-rates, and Design of Pressure Vessels / Heat Exchangers / Tanks for the chemical / petro-chemical / petroleum industries. Openso Engineering has worked with companies such as Phillips66, Exxon Mobil, Marathon Petroleum Company, SABIC, Hemlock Semiconductor, Arizona Chemicals, and International Paper to name a few. We pride ourselves in solving those engineering problems that no other engineering companies will touch due to our extensive experience in both design and fabrication. We have worked on projects both domestically in the United States, and overseas.