The U.S. aircraft register, updated daily
Who holds what · as the FAA records the name

Isrms, INC

Named as the FAA publishes it on its approvals.

Holds 1 approved modification, most of them for the Douglas DC-3. FAA spelling: ISRMS, Inc.

Approved modifications 1 · newest first

1991-09-11SA3125SO · Installation of a custom interior for a new concept DC-3C, Type II aircraft. · DC3C-S1C3G

Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, parts manufacturer approvals, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.