For approximately the last 18 years, Momsam Enterprises have been the leading manufacturer and retailer of high quality, self-contained portable sinks that provide hot and cold running water wherever or whenever you need it. No Plumbing needed. Monsam offers variety of modles for differnet industires; hand washing stations, food and coffee carts, shampoo sinks, portabkle science labs, medical sinks, childcare diaper chaning table and so much more. Our custom design option allows customers to dream up the exact sink that fits their needs. We offer a variety of colors and styles to choose from. Customer can even choose their own cabinet and we will convert to a portable self contained sink.. Monsam also offers portable sinks where the whole unit is NSFcertified making sure it meets the highest standards set by NSF International for food safety.