"Hey [Bandwagon], we have a remote project we've been working on for a few years that includes some drone mapping. We have a subcontractor that we've been using for the drone mapping, but it's, uh....., it hasn't been great and we thought you might be interested in submitting a bid? They just seem like they were trying to figure all this stuff out a few years ago and haven't gotten much better since then"
"Sure. Can you send me over a copy of their proposal, and your original request for proposal or scope of work?"