Tetra Research is a computational fluid dynamics company based in Princeton, Illinois. The firm specializes in Loci/CHEM CFD development, support and advanced applications. Loci/CHEM, from Mississippi State University, is a unique CFD tool that is formally second order accurate on polyhedral meshes, scales to thousands of processors, and contains advanced physical and body dynamics modules. Tetra offers advanced user support, specialized code development for unique applications, and guidance on optimal strategies for achieving enhanced productivity with Loci/CHEM. Additionally, they can also help their customers produce realistic flow simulations with improved physical insight through computer visualization.