Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 132,950 pages of information and 210,197 images on early companies, their products and the people who designed and built them.
British Steam Specialties Ltd. (originally British Steam Specialities)
of Bedford Street, Leicester, supplier of pipeline equipment and components.
of Southampton Buildings, Chancery-lane, London. (1900).
of Alfred Street, Leicester. (1902).
of Fleet Street, Leicester. (1913).
1899 Private company.
1899 Name changed.
1919 Installation of power plant.
1960 Advert for pressure gauges, valves and cocks. of Fleet Street, Leicester.
1961 Manufacturers and distributors of equipment for steam, gas, air, oil, water and chemicals. Makers of valves, Velan steam traps and ancillary pipe line equipment. 400 employees. 
1963 Public company floated
1973 Several unsuccessful attempts made to take over the company
c.1986 the name was changed to BSS