| 1911 | Edward Kraemer begins business in Plain, Wisconsin | | | | 1928 | Edward Kraemer expands into the crushing business | | | | 1940's | Edward Kraemer plays a major role in federal highway expansion programs | | | | 1949 | The business is incorporated and named Edward Kraemer, Inc. | | | | 1959 | Edward Kraemer, Inc. opens a quarry operation in Burnsville, Minnesota | | | | 1960’s | The company’s name is changed to Edward Kraemer & Sons, Inc. | | | | 1977 | Minnesota Regional Office of Construction opened in Burnsville, Minnesota | | | | 1984 | Colorado Regional Office established | | | | 1995 | Edward Kraemer & Sons sells the Wisconsin Aggregate Materials business to focus the business on construction operation | | | | 2005 | Scott Peterson, the fourth generation of the Kraemer family, becomes President of Edward Kraemer & Sons, Inc. | | | | 2006 | The Kraemer family spins off the Burnsville quarry operation into a new company - Kraemer Mining and Materials, Inc. |
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