11.   Those companies have been waging a price war that has sharply reduced profit margins throughout the industry.

12.   U.S. steel-making companies have waged an intense campaign to persuade the Clinton administration to protect them against some foreign competitors in recent years.

13.   With Congress debating tobacco legislation, cigarette companies are waging a publicity war against anti-smoking advocates.

14.   Despite the advantages of combining the research budgets and sales staffs of Warner-Lambert and Pfizer, the companies have waged a very public battle in recent months.

15.   Smaller companies immediately waged a brutal price war, including controversial, demonic advertisements, against the telecommunications giant.

16.   The companies waged a long and costly advertising and lobbying campaign for the contract, which establishes Lockheed as the sole fighter jet manufacturer in the United States.

17.   The company has been waging an efficiency program with the aim of reducing the effects of severe employment fluctuations.