Metal casting is needed in a variety of industries. Have you ever wondered how the metal parts and panels of larger machinery are made? They are certainly not being made on the job site. These parts are large and must be cast by a qualified company. With the better companies, it is common to see participation in virtually all industries where metal casting and sand casting is needed. These companies have even cast for Aerospace and Engineering as well as many commercial sites and factories. The impressive scope of magnesium casting companies and aluminum casting should be proof enough of quality work.
After all, the military is not going to tolerate anything but the best metal work. Magnesium is a particularly had metal and is used in aircraft, nautical vehicles, armory, spacecraft, and so much more. The idea is to have full integrity with the uniquely cast metal shapes, all of which must fit together precisely to create a whole, finished product. In the end, the professionals of metal casting will be able to handle any job of any size without outsourcing to other companies. This keeps the jobs simple for contractors and clients alike.
It is doubtful that one would need such heavy-duty metal work with sand casting for small jobs, but that is available as well. Talk with the experts about your options. Most other jobs with a larger scope of construction and many uses of cast metal products will need to be used. With clear consultation and a reasonable estimate, you can get an idea of what it will take to start and finish a job with so much metal casting needed. Otherwise, you are representing a larger business or other effort and using the casting companies for larger scale jobs no matter what. Either way, the professionals will do the best.