Hi @BeardedDog888 ,
Here are the steps you can follow：
1. Create calculated table.
2. Create measure.
3. Place [Flag] in the Filter of the Company Table to 1.
4. Place the [Company] of the Table in the Filters on this page.
When there are 1 and 0, it is not displayed
When there is only 1, display all
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly