I need to turn a color photo into a black and white photo, is this something you could do without the negative?

Hello - thanks for your message, but we are not a lab. We buy, sell, rent, & repair cameras & related gear. Try National Photo in Pikesville. Thx

Photograph the color photo using black and white film

You can do that yourself if you have a scanner.

I don't believe they offer such services. You can can them to verify.