ONEOK is a leading midstream service provider and owns one of the nation’s premier natural gas liquids systems, connecting NGL supply in the Mid-Continent, Permian and Rocky Mountain regions with key market centers and an extensive network of natural gas gathering, processing, storage and transportation assets. • Cleaning around manifolds, non-hazardous duties related to spill clean-up, assisting with vehicle maintenance, assisting with tank pump change out, rack meter overhaul/repair, and assisting with other non-hazardous maintenance activities.