Vodafone.
Carries a lot of debt.
http://www.vodafone.com/content/index/investors/debt_investors.html#
Reading the annual report you see it has revenues of £41,649.80 Million = £41.6Bn.
The level of debt is very interesting:-
The Debt of Vodafone 2017:- €m €m €m
Short-Term Long-Term Total
Bank loans: 867 2,741 3,608
Bonds: 660 19,345 20,005
Other liabilities: 4,632 305 4,937
Bonds in designated hedge relationships 2,244 12,132 14,37
Total: 12,051 34,523 46,574
That is €m 46,574 = £40,725.5 = £40.725 Bn