Tetra Tech Inc. posted a record profit for the fourth quarter thanks to increased government spending and an 80 percent jump in revenue from Asia.

The Pasadena-based engineering consulting firm quarter reported net income of $11.8 million (20 cents per share), a 30 percent jump from $9.1 million (16 cents) for the same period a year earlier.

Revenue was up 9.6 percent to $386 million, with the company citing strong growth in its resource management segment and recent contracts from the Department of Defense, the U.S. Environmental Protection Agency and the Department of Energy.

The company also said that revenues from projects in China and Southeast Asia increased more than 80 percent due to extensive work there in upgrading civil water and utilities infrastructure.

Shares in Tetra Tech were up 34 cents to $15.04 in early trading Thursday.