The three companies will be United Technologies, which will house its aerospace and defence industry supplier businesses; Otis, the maker of elevators, escalators and moving walkways; and the Carrier air conditioning and building systems business.
About 215 people to go, adding to the 340 job cuts from the factory in July.
Carrier announced in 2016 that it would close the Indianapolis plant and cut 1,400 jobs to save $65 million.
338 jobs cut by July 20; another 290 people will be out of work by Dec. 22.
Incentives worth $7 million offered but company still cutting 550 jobs.
Chuck Jones told The Washington Post that Trump lied about how many jobs were saved by the deal.
Scant details have emerged so far raise doubts how many jobs will be saved.
Air conditioner-maker planned to eliminate 1,400 jobs and move operations to Mexico.
Air conditioner maker confirms it has had talks about relocating Indianapolis manufacturing operations to a facility in Mexico.