pr computer service llc in merrill, wi is your local authorized agent for cellcom, providing wireless services and accessories. cpr computer service is dedicated to outstanding customer service.with over 20 years experience servicing and repairing computers, we offer on site computer service and repairs, along with networking and installation at competitive rates. as always, all of our labor and repair estimates are at no cost.cpr computer service is able to handle all of your packaging and shipping needs. as an authorized shipping outlet for dhl, we are able to handle all of your domestic and international shipments.