Welcome to Signal Control, Inc., your best choice for residential and commercial garage door installation and servicing needs in Lebanon County, PA and Lancaster County, PA. Locally owned and operated since 1992, we offer new installations of Raynor brand garage doors and we can service all brands. Call Signal Control, Inc. today for all of your residential or commercial garage door needs at (717) 733-7570.. Garage Door Repair,Garage Door Spring Repair,Garage Door Installation,Garage Door Service,Garage Door Repairs,Garage Door Maintenance,New Garage Door,Garage Door Services,Garage Door Contractor,Garage Door Contractors.