& #8226; Northrop Grumman Corp.

received a five-year, $532 million contract to upgrade the Air Force's surveillance target attack radar system. Under the contract, L.A.-based Northrop will engineer, develop and test enhancements and upgrades for the Air Force's E-8C fleet, a wide-area airborne ground-surveillance, targeting and battle-management system that detects hostile ground movements and communicates back to command posts. All E-8C aircraft are assigned to the Georgia Air National Guard's 116th Air Control Wing, based at Robins Air Force Base in Warner Robins, Ga.

& #8226; Tetra Tech Inc. was awarded a five-year, $100 million environmental services contract by the U.S. Department of the Navy, Naval Facilities Engineering Command Southwest. The Pasadena-based company will provide technical environmental services and program management to support the command at Navy and Marine Corps bases, and bases affected by Department of Defense base realignments and closures. This is the second time Tetra Tech has won the contract.

& #8226; WPT Enterprises Inc. said the Nevada Gaming Commission approved its "World Poker Tour All-In Hold 'Em" table game for use in all casinos within the state of Nevada. The Bellagio hotel in Las Vegas will feature two of the tables and the Mirage and Treasure Island casinos will debut the game in December, L.A.-based WPT said in a statement. Seven other U.S. casinos will offer the tables as well. The game, which is based on the company's "World Poker Tour" television series, allows poker fans to bet against the dealer instead of against other players, like in traditional Texas Hold 'Em.

& #8226; Jacobs Engineering Group Inc. announced that a subsidiary company received contracts from Saudi Aramco to use Jacobs' proprietary Superclaus technology for 13 sulfur recovery units. Financial details of the deal were not disclosed. Jacobs is performing the work at three Saudi Aramco locations in Saudi Arabia. The Superclaus units produce molten sulfur by recovering sulfur from acid gas feed streams generated by high- and low-pressure regeneration facilities. The additions and upgrades allow Saudi Aramco to satisfy environmental regulations that require a sulfur recovery level of at least 98.7 percent, Pasadena-based Jacobs said in a statement.

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