The Jeffro Research Facility is a large compound of scientists and oligarchs, surrounded with 10-foot walls mounted with security cameras. The facility is arguably one of the largest zombie-free facilities in the game, and the most advanced so far. The facility includes cryogenized zombie bodies with hooked to IV's and may even house a cure or vaccine to the zombie virus (refer to Professor Van Ark's case).
The location of the facility has not been specified in the story however it is known that the Jeffro Research Facility is 10 kilometers from Abel.
Professor. Van Ark was discovered inside the facility (10K race mission) where they also encounter Paula Cohen's recorded voice playing inside the facility, which may suggest that Paula Cohen might still be alive.