Durable Home Medical Equipment Rentals nationwide. Hieline Inc carries the very best selection of Mobility Equipment rentals. They offer wheelchairs, power chairs, scooters, scooter lifts, lift chairs, and much more at everyday low prices . Hieline Mobility Equipment carries top brands such as Pride Mobility, Golden Technologies, Invacare, Medline and others. Breast Pumps, Knee Scooter / Knee Walkers and Portable Oxygen Concentrators are available for rent nationwide.