In the heyday of conglomerates, AVM had 15 divisions, making everything from auto parts and furniture to air-conditioning components.

FORBES: Indestructible

Berkshire saw revenues rise down the list of the companies it holds in businesses ranging between railroads, auto insurance, electronics components and RV-makers.

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India taxes partly-assembled auto parts by up to 100%, while unassembled components are taxed at 10%, a measure meant to encourage local manufacturing.

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Leaf springs, its high-volume product that accounts for 67% of its auto parts sales, are fairly simple, low-capital-intensive suspension components.

FORBES: Made in Mexico