Hartley and Sugden
of Atlas and Premier Works, Halifax; White Rose, Boiler Works, Halifax.
1867 Company founded.
1878 Public company.
1914 Manufacturers of Wrought-Welded Cast Iron Sectional and Riveted Boilers. Specialities: Welded Iron Boilers for Hot Water and Steam Heating, Cast Iron Sectional Boilers for Hot Water Heating Apparatus. Employees 300. 
1961 Boiler manufacturers. 280 employees. 
By 1969 was a subsidiary of F. Francis and Sons