Osyka Corporation is an energy firm specializing in the full lifecycle of oil... Osyka Corporation is an energy firm specializing in the full lifecycle of oil and natural gas properties. Its operations, encompassing the procurement, growth, discovery, and output of these assets, are concentrated within Mississippi and Texas. Established in 1990, the company maintains its primary corporate offices in Houston, Texas. Notably, Osyka Corporation previously functioned as a subsidiary, having been part of both Legado Resources LLC and Tellus Energy Group, LLC.