Over the years Ricoh has acquired many of its international competitors, including Gestetner, Lanier, Savin, Nashuatec, Hanimex, and Rex Rotary. Many of these brands are still maintained by Ricoh, releasing the same machine under different brands and model numbers in different markets. Furthermore, Ricoh also licenses some of its machines to other companies such as those sold by Standard Duplicating Machines in the United States. Not all Ricoh duplicator models are rebadged as other brands. Below is a chart of many that are.