PDC was founded in 1957 as a fiberglass pool builder. In the late 80's they retooled their factory to refocus their business on hot tubs. They currently manufacture in Pennsylvania and distribute world-wide through authorized dealers and are one of the largest spa / swim spa manufacturers on the East Coast.
They are known within the industry for making high quality products.
For many years they have been making their jetted swim spa line - Synergy (tm). In late 2015, they launched their TruSwim line of propeller driven swim currents.
Both lines come in:
PDC Swim Spas