Gibraltar Industries, Inc. (Nasdaq: ROCK), Buffalo, NY, reported sales for the fourth quarter were $174.1 million, up 21 percent over the same period a year ago. Organically, sales grew 7 percent. The manufacturer and distributor of products for building and industrial markets recorded a net loss for the period of $6.6 million, compared to a year-ago net loss of $74.5 million.

For the full year, sales were $766.6 million, up 20 percent over sales in 2010. Organic sales grew 9 percent. Profit was $16.5 million, versus a net loss of $75.4 million in 2010.

"Gibraltar’s growing presence in the industrial and infrastructure markets has enabled us to offset weak demand for housing by selling our products into two of the strongest segments of the economy," said Henning Kornbrekke, president and COO. “…At the same time, we continued to make consistent progress toward our goal of positioning Gibraltar as the low-cost global supplier in its markets coupled with outstanding customer service.”