Assist me with Bulk Marketing -- 2

We are offering free chat software to any US based non-profit organization. There are 2.6 million 501c's in the states that all have websites that could use chat. Our sales line is; "We turn visitors into donors!" We are looking for a marketing company - with the vision to engage as many non-profits as possible, evoking a response so our sales team can then take over. Leads are not the problem, they are available everywhere on the internet. We are looking for qualified leads!