However, this time they offered to fund $2.5 million to help the city pay the annual $9.6 million cost.
They said the money would come from private funding.
ShotSpotter devices were deactivated across the city two weeks ago.
Businesses have also offered to help cover interim costs of ShotSpotter for 15 months until the city implements a permanent technology.
READ ALSO | Alderman says ShotSpotter could have saved woman found shot to death in East Side alley
Mayor Brandon Johnson has said he's looking for a replacement for the gunshot detection technology.
Chicago Aldermen call on mayor to re-activate ShotSpotter