Signal 88 Security of Grand RapidsWrite a Review517-885-8753Be the first to review!Hi there!Be the first to review!5First-class4Better than most3About what I expected2Not the worst...1DisappointingClick to RateMore Business InfoHoursDo you know the hours for this business?Other Linkhttp://signal88.com/locations/security-services-grand-rapids-miCategoriesSecurity Guard & Patrol Service, Security Control Systems & Monitoring Suggest an Edit