For reference:

Mission:

McDonald's brand mission is to "be our customers' favorite place and way to eat." Our worldwide operations have been aligned around a global strategy called the Plan to Win centering on the five basics of an exceptional customer experience – People, Products, Place, Price and Promotion. We are committed to improving our operations and enhancing our customers' experience.

Vision

"McDonald's vision is to provide the world's best quick service restaurant experience. Being the best means providing outstanding quality, service, cleanliness, and value, so that we make every customer in every restaurant smile."

Singapore Airlines

Singapore Airlines has a responsibility not only to be an excellent company, but also to be an excellent citizen of the world by enhancing the lives of the people we touch. With that aim in mind, we have made many commitments to the arts and education, to our communities, and the health and welfare of our country's citizens, and those in countries we fly to. With this goal in mind, we've also made a strong commitment to preserving the environment - and our world for future generations.

Google

Google Mission Statement: "Google's mission is to organize the world's information and make it universally accessible and useful."

Google's vision statement :

To develop a perfect search engine.