ROTHKOPF & Associates is an ISO Certified stocking distributor of o-rings and precision molded rubber parts. Parts purchased from suppliers are stocked at ROTHKOPF then shipped to customers across the USA. ROTHKOPF holds in highest regard the good people who bring their talents to the service of our company, co-workers and customers. "Quality Characters and Quality Work" best expresses our respect for and trust in each other. We are adding a key ...