Nope, it’s all imported from Iraq and we bombed the factory.
Please Do Not Make Homemade Formula—Here’s What to Do Instead During the Baby Formula Shortage
So homemade formula is an option, but the warnings about malnutrition in the above article should be taken seriously.
It looks like there are many homemade formula recipes, but I couldn't tell you which are nutritionally sound. The article above suggests switching brands to a generic, because they all store bought formulas meet certain nutritional requirements.