Fortune 500 Oil companies remain strong

3 of the top 10 FORTUNE 500 companies (2012) were oil companies. Oil companies seem to react to the price of oil but neither of these 3 companies seem to have dropped with the recent drop in oil prices.

Signs of weakness on any of these 3 could potentially give some momentum to the downside.

Other American oil company stocks seem to have moved lower in the recent weeks but not these 3, is the fact that they are Fortune 500 companies filling investors with confidence?

Other oil companies are moving lower on recent oil price action: