OCEANM19 LLC is a Hinsdale, Illinois-based single-family investment office allocating capital across direct private equity, hedge funds, venture capital and real estate. It targets control-oriented buyouts and acquisitions of U.S. businesses with defensible market positions, high operating leverage and barriers to entry, with emphasis on niche manufacturing, tech-enabled B2B services, food and ingredients, real estate and waste management. The firm is also relevant for revenue-generating companies seeking family-office venture or minority investment capital.