Canadian Broadcasting Corporation | Australian Broadcasting Corporation | Oracle Corporation | Adobe Systems | International Finance Corporation | Chevron Corporation | BAE Systems | Cisco Systems | Digital Equipment Corporation | News Corporation | Lockheed Corporation | corporation | Hearst Corporation | Scholastic Corporation | Northrop Corporation | Munhwa Broadcasting Corporation | Gibson Guitar Corporation | CBS Corporation | Fender Musical Instruments Corporation | Catalog numbering systems for single records | ITT Corporation | Sharp Corporation | RAND Corporation | NCR Corporation | Federal Deposit Insurance Corporation | Sperry Corporation | Singer Corporation | Case Corporation | Science Applications International Corporation | Polaroid Corporation |
Large companies currently using MUMPS include AmeriPath (now part of Quest Diagnostics), Care Centric, Team Health, Epic, EMIS, Partners HealthCare, Meditech, GE Healthcare (formerly IDX Systems and Centricity), and Sunquest Information Systems (formerly Misys Healthcare).