With expenditures reaching over 1,231 billion U.S. dollars, the United States is the one of the largest construction market worldwide. After the recession, construction projects that were once stalled have now accelerated their progress once again. Positive trends in the residential market are the primary drivers of the booming construction industry growth. Within the United States, new construction put into place is among the highest in the South Atlantic and Pacific regions. Bechtel is currently one of the largest U.S.-based construction firms. The construction and engineering company is headquartered in San Francisco was one of the largest construction contractors in the United States, based on revenues.