Services - Permits and Insurance   D&L Used Oil Services, Inc. is licensed as a special waste hauler and holds the following permits: U.S. Department of Transportation Permit #1181354 Environmental Protection Agency Permit #MOR000516054 D&L Used Oil Services, Inc. is pollution insured to protect your company as well as our environment. Our insurance is through PJC Insurance in Springfield, MO (417-833-3800). D&L Used Oil Services, Inc. strives to protect our environment not only today but for our future.