Rockwell, the highest-ranking Orange County company on the Fortune 500, had dropped again when the annual listing of the nation's biggest industrial companies was released Monday.
Rockwell, the giant technology conglomerate based in Seal Beach, dropped slightly to 45th place from 43rd, with $10.8 billion in revenues.
Rockwell makes products for the aerospace, automobile and telecommunications businesses. It was in 35th place two years ago with revenues of more than $12 billion.
On the other hand, AST Research in Irvine took another big jump--from 367th place to 287th, with revenues of $1.4 billion. AST makes personal computers; it debuted on the list only two years ago, when it was in 431st place.