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