I agree with ajm73. In the current mini-sim, the two products are made from 2 separate companies. There could be a point of view that favors having 2 sources from the same company, however. You would already know the work ethic and reliability of the company in question. If you already know the quality of work the company provides, it makes people less adverse to choosing the company. Also, when using a single company for multiple products, you tend to get deals on the pricing of the products. Finally, the products can be made in different facilities in case an environmental anomaly causes one of the facilities to no longer be able to produce a component.