Beacon Roofing Supply, number 3 on this year's ProSales 100, increased sales 8.4% up to $788 million in the fourth quarter compared to the year ago period. This increase in sales also resulted in net income of $30.8 million, compared to $24.2 million in the year ago period.

This quarter also marked the end of Beacon's 2015 fiscal year, with total yearly sales of $2.52 billion, and increase of 8.2% over 2014's net sales.

"For our sixth consecutive quarter, all three lines of businesses grew over the prior year," said president and CEO Paul Isabella in a press release. "With residential and complementary leading the way with 11.4% and 17.8% growth, respectively.  

Beacon also completed its acquisition of Roofing Supply Group on October 1.

"Adding to our solid financial results was the RSG acquisition, which helps us launch 2016 with 85 new branches, over $1.2 billion in pro forma revenue, an experienced and highly regarded workforce, and a broad new customer base," said Isabella.