"Hey, I'm Sid 'Slick' Satterly, and I'm... well, just call me an entrepreneur. I head tell of "unusual minerals" from Dr. Nagasawa. I've got some business connections on Homeworld that might be interested in such goods. I also have some... less businesslike connections that might be able to, say, 'procure' some useful goods for you from the ship's stores. Shall we do business?"
Sid "Slick" Satterly is a self-proclaimed entrepreneur who has some business connections that could prove useful to you. He'll provide you with Seed, Animal, Machine, and Sapling Bags, as well as spawn eggs, without any damage to your mission outlook. All he asks for in return is some metals.
The Black Market is one of the 10 Quest Givers in Blightfall.