Crossword Puzzle Big chipmaker

Clue: Big chipmaker

Bruins bigwig (ORR with 3 letters)
Where to find the bigger number? (SIDEA with 5 letters)
Dept. of Justice bigwigs (AGS with 3 letters)
Director of 1999's biggest blockbuster (LUCAS with 5 letters)
Office biggie (e.g. BOSS with 4 letters)
Bighorn country (NORTHWEST with 9 letters)
Moslem bigwig (e.g. AGA with 3 letters)
1950 film in which Frank Bigelow investigates his own murder (DOA with 3 letters)
WWII bigwig (FIVESTARGENERAL with 15 letters)
With a bigger head (PROUDER with 7 letters)