1874 William Berger & Company is founded as a manufacturer of roofing materials for builders.

1934 Company founder William Berger dies.

1979 Life Care Communities, later known as Inovex, is incorporated.

1989 Inovex Industries Inc. acquires Berger Bros.

1990 Inovex changes name to Berger Holdings, Ltd.

1991 Berger slips into Chapter 11 and reorganizes.

1996 Berger expands product line, intensifies marketing, begins an era of acquisitions and geographic expansion.

2001 Berger's net sales peak at $51.13 million.

2003 OmniMax International subsidiary Amerimax Pennsylvania merges with Berger Holdings.