Ballymena-based Wrightbus is understood to be poised to purchase the JTI factory site at Lisnafillan.
The multi-million deal has been the subject of protracted negotiations for months.
But Q Radio understands the talks are close to reaching a successful conclusion.
Wrightbus' main headquarters at Galgorm are close to the JTI site, which will be finally vacated next year.
Ian Paisley is North Antrim MP:
Concern voiced as next phase of Omagh Bombing Inquiry hearings delayed
Four fatal house fires in three days in Northern Ireland ‘deeply concerning’
‘Much more to do’ to protect children in NI from sexual exploitation – report
Woman in critical condition after she's struck by car in Belfast
Man dies following road accident in County Fermanagh