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

Trolltune Corporation

Named as the FAA publishes it on its approvals.

Holds 2 approved modifications, most of them for the Gulfstream G-1159 Gulfstream II and III. FAA spelling: Trolltune Corporation.

Approved modifications 2 · newest first

Gulfstream G-1159 Gulfstream II and III 1Cessna 182 Skylane 1
2013-01-31ST00757DE · Reduced Maximum Gross Take-off Weight (MGTOW) and Reduced Maximum Ramp Weight (MRW) · G-1159A, G-1159B
2008-08-25SA03608AT · Increased Maximum Gross Takeoff Weight (MGTOW). · 182P, 182Q

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.