Pryor & Mandelup, L.L.P. Long Island NY Bankruptcy Law Commercial Litigation is a boutique business law firm on Long Island, representing diverse corporate & individuals. Free Consultation - Call 516-997-0999 - Pryor & Mandelup, L.L.P. is dedicated to serving our clients with a range of legal services including Bankruptcy and Chapter 7 & 13 Bankruptcy cases in Nassau & Suffolk County.