I don't know if Cryptopia is necesary; They are currently #36 in volume, CoinExchange (where we are already) is #31, LiveCoin is #21 and only charges 4 BTC to be listed which beats cryptopia's price.

I don't think they would accept it at this point, but HitBTC has absolutely massive volume and the devs can submit an application here: https://hitbtc.com/add-token