What does Pisc stand for?

Pisces - Constellation

Pacific International Services Corp. - NASDAQ symbol (NQ)

Parris Island, South Carolina - Marine Corps

Petroleum Industry Security Council (EA)

Phoenix International Science Center (SAUS)

Piscataway Park - Accokeek, MD - National Park Service designator (NPSD)

Programme for the Inspection of Steel Components (HEAS)