Behind every wedding planner, event planner, caterer, production company or private party in San Diego and Riverside, you will find a great party rental company. Allies Party Equipment Rental, Inc., is that party rental company, California&aposs premier source for party rentals, wedding supplies, event rentals and tent rentals. Quality, Service, Reliability and Capability. These are the cornerstones that make Allies Party Equipment Rental, Inc., the trusted party rental company chosen by leading wedding planners, event planners, caterers, event venues and hosts throughout San Diego and Riverside Counties.