Government Spec Flags and Sizes
We are a SAM.GOV suppliers with an Unique identifier and CAGE number.
Government Spec flags are based on sizes that are specified by "Title 4 - FLAG AND SEAL, SEAT OF GOVERNMENT, AND THE STATES
CHAPTER 1 - THE FLAG"
https://www.govinfo.gov/content/pkg/USCODE-2011-title4/html/USCODE-2011-title4-chap1.htm
All American flags and any custom flag can be made to sizes specified by this document.
Here are the sizes as specified by Title 4.