Optimal Solutions, Inc. (OSI) is a company that develops supply chain tools. It offers PlaNet, an optimization tool for supply networks; BOLT, a scheduling tool; and DaRRT, a software that leverages data to produce a demand fulfillment plan. The company also provides supply chain optimization, prescriptive analytics, applied machine learning, and simulation services. OSI caters to the wine and spirits, oil and gas, pharmaceuticals, chemical, and life science industries.