Anyone know of a commercial light fixture buyer?

I was recently approached about selling some used commercial light fixtures. There's about 300 of them. These are in great condition and work. They're the fancy-looking recessed lights that are usually seen in office buildings. The only problem is that they're 227 volts, which is an odd size. I've tried selling them on Craigslist with ads in multiple cities, but so far haven't had any luck. I was just wondering if anyone knew of any commercial light fixture buyers or brokers out there.