McKeEsrort Tin Prate CoMpaNY 
OrrgiNAL Prant or 10 MiLis, BuiLt 1902-1903; Capacity, 400,000 
Boxes PEr ANNUM 
McKEESPORT TIN PLATE COMPANY 
The McKeesport Tin Plate Company began operations 
in 1903 with a capacity for making 400,000 boxes of tin 
plates per annum, and has increased its business from time 
to time, from a ten-mill plant to a forty-four mill plant, 
which is now the largest tin plate plant in the world, with a 
capacity of 4,000,000 boxes per annum. The Company 
consumes approximately 250,000 tons of steel, which is 
first rolled into black plate and prepared for tinning. Its 
annual business is from $20,000,000 to $25,000,000. About 
3,600 workmen are employed, with a payroll of approxi- 
mately $7,000,000 per annum. The present plant covers 
about twenty acres of ground. This Company was in- 
corporated October 7, 1901, under the laws of Pennsylvania, 
and has an authorized capital stock of $10.000.000. 
McKeesport Tin Prate CoMPANY 
PrEsENT PLanT OF 44 Mires; Largest Tin Prate PLANT IN THE 
WorLp; ExTENsioNs CompLETED 1917; Capacity, 4,000,000 
Boxes PEr ANNUM