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

Harmony Machine Prod INC

Holds 2 approved modifications. FAA spelling: Harmony Machine Prod Inc.

Approved modifications 2 · newest first

2003-11-03SE40CH · Rebuilt modification of starter drive clutch assembly. · O-200-B, O-200-A, O-200-C
2003-11-03SE154CH · Engine oil pump repair/rework specifications and procedures. · C75-12, C75-12B, C75-12BF

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