That's easy. Outsourcing companies don't care too much, as they lease your body to the highest bidder and don't care too much about the results.
Any other company will prefer someone, who will stay longer, because for 3 months or more (more complex product they have, longer time), you're more cost, than asset, because you don't know the product and need some level of babysitting.
Any other company will prefer someone, who will stay longer, because for 3 months or more (more complex product they have, longer time), you're more cost, than asset, because you don't know the product and need some level of babysitting.