These companies continued to develop faster and more sophisticated tabulators, culminating in tabulators such as the 1949 IBM 407 and the 1952 Remington Rand 409.
IBM jätkas kiiremate ja keerulisemate tabulaatorite arendust, luues tabulaatoreid nagu 1949. aasta IBM 407 ja 1952. aasta Remington Rand 409.