Industrial Service Properties (ISP) is a real estate organization focused on: equipment sales and rental companies, truck maintenance buildings and yards, truck terminals, bus terminals, contractor shops with heavy parking and/or outdoor storage, container storage, parking facilities, etc. Some examples of tenants ISP currently owns and manages facilities for include: Amazon (blue van yards), Sunbelt Rentals, Thorntons (corporate fuel truck hub), Homewood Disposal, Quality Carriers, First Student, Illinois Central School Bus, and AT&T (Direct TV installation hub). ISP originated in Chicago but is now investing in major markets nationwide.