31.   Big corporations are looking to cut their purchasing costs by setting up massive online buying exchanges.

32.   Big corporations, meanwhile, plod ahead with cumbersome private deals, each governed by an idiosyncratic set of rules.

33.   Big corporations.

34.   Big corporations also tend to divide their businesses among the top two or three carriers.

35.   Big corporations are not the only ones zeroing in on better care.

36.   Big corporations have taken notice.

37.   Big corporations still dominate the landscape, the volume finds.

38.   Big corporations used its software to keep their books and pay their bills.

39.   Big corporations, governments and government-sponsored agencies sell global bonds to reduce their borrowing costs.

40.   - Boost the fortunes of some smaller domestic companies, as well as those big corporations that already meet high wage and environmental standards.