Martin Marietta Materials revenue increased 20 percent in the fourth quarter on increased shipments of the Raleigh company's construction materials.

Revenue totaled $504.1 million. Net sales increased 22 percent to $457.9 million and the company reported earnings per diluted share of 46 cents, compared to 32 cents per share in the fourth quarter of 2011.

Both the company's net sales and earnings per share missed Wall Street estimates. The consensus among analysts who cover the company was sales of $461.9 million and earnings per share of 53 cents.