41.   The rankings reflect figures only available for prime contractors, the companies responsible for delivering weapons to the Defense Department.

42.   The prime contractors are Northrop Grumman, Motorola and Westinghouse.

43.   The Revolutionary Guard has increasingly become involved in business dealings, as the prime contractor for railways, pipelines and factories.

44.   The rules also cover companies that, if signed up as subcontractors, give larger prime contractors bonus points when they bid on federal contracts.

45.   The prime contractor under a federal highway construction contract containing such a clause awarded a subcontract to a company that was certified as a small disadvantaged business.

46.   The vote was good news for Boeing Co., the prime contractor on the space station project.

47.   The venture would give Boeing, already the prime contractor on the international space station Alpha, an even stronger position in the space transportation business, they said.

48.   The vote came in the midst of a high-profile advertising campaign by Northrop Grumman Corp., the prime contractor for the plane.

49.   The three prime contractors now represent about two-thirds of all military product sales.

50.   The vote was good news for Boeing Co., the prime contractor on the orbiting laboratory.