Pumps, Tanks, and Filtration equipment: A single source for your fluid solutions If there’s a planned fluid management need or a sudden emergency, United Rentals Fluid Solutions group can assist you with a high level of safety compliance and quality assurance. We specialize in providing standard and custom rentals for any industrial or commercial fluids application. United Rentals is North America’s largest pump, tank, and filtration equipment rental supplier, with experts to help you with complete fluid transfer, treatment, and containment solutions.