10 March 2000 (25 years, 2 months ago)
Actual | Essroc Materials Inc. 13 March 1990 (35 years, 2 months ago) |
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Actual | Coplay Cement Company 27 September 1979 (45 years, 7 months ago) |
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Actual | Coplay Cement Manufacturing Company 14 January 1902 (123 years, 4 months ago) |
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