Design Business Apps for a Curriculum

I am looking for an experience company to develop business apps for my curriculum. Someone who can configure calculations, program conversions, interactive shopping carts, shopping list etc. I have 12 apps I will need develop. I will have my graphic designer layout the interfaces for the app. I am looking for a good programmer who can work with me and my designer. I will provide all the images, buttons, text, and step-by-step instructions for each screen and app. I need the app to be develop for iPads, iPhone and iPods platform. I need someone who can also do the updates to my apps once they are complete and maintenance. I need someone who is experience and familiar with developing, business, education, food, and fashion apps and software. Most of my apps will consists of a lot of calculation, computing and configuring information. Therefore, mathematical incline will be a needed for this job. Creativity and innovation is needed for this project. I am looking for someone who is creative and innovative who embraces challenges and provide a solution.