There are organizations dedicated to helping transgender and gender-nonconforming individuals access clothing for professional or personal use:

: Provides free femme shapewear and other garments to trans folks in need. Prohibited Employment Policies/Practices - EEOC

: Offers a free online catalogue of clothing for anyone under the trans, intersex, or non-binary umbrella to help with financial barriers during social transitions.

If you have experienced a violation of rights regarding uniforms or dress codes, there are official channels for reporting: