I have as number of ads from companies that supplied display cases for service stations, but the only pump company I know of that made and sold a cabinet was Erie.
Cabinets that were used un doctors and dentist offices are very similar to those that were put on the islands years ago.

Jack Sim

Author, 1st & 2nd editions of Gas Pump ID book, 3rd edition is now available at www.gaspumpbible.com
Air Meter ID book also available