Found this on Securitas settlement. With deepest pockets, the worse outcome of potential jury trial and nuclear verdict compelled their insurers to participate. They distanced themselves from liability and asserted they did not install or maintain security or safety systems, fire alarms or...
According to the Mar 2020 Reserve Study conducted for CTS there were 31 pull stations.
https://res.cloudinary.com/engineering-com/image/upload/v1654600006/tips/Mar_2020_Champlain_reserve_study_cvwbo1.pdf