BRK-A compared with BLK: revenue, margins and what each company keeps, and the suppliers and customers both name

BRK-ABerkshire Hathaway Inc
Mkt capRevenueRevenue
BLKBlackRock, Inc.
Mkt capRevenueRevenue
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BRK-ABerkshire Hathaway Inc
vs
BLKBlackRock, Inc.
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Mkt cap
Revenue
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