- Port Authority of New York and New Jersey (NY)
- …. High-Pressure Steam Boiler Operators License issued by New York City OR New Jersey Blue Seal Steam Boiler Operator's License ( Blue Seal - ... Wide Standpipe Systems certificate or a New Jersey Black Seal Boiler Operator's License instead . New.... New York City Refrigeration Machine Operator's License OR Blue Seal Refrigeration Machine Operator's License (Class… more