Do major projects like GCC maintain a list of developers who are willing to take on paid consulting work with standard contracts to do things like this? The GCC

Do major projects like GCC maintain a list of developers who are willing to take on paid consulting work with standard contracts to do things like this? The GCC devs could simply point to details page of such an arrangement of it exists as a way to speed up. "Bounty" may not work in corporate or government environments but consulting is fairly standard and if there's an easy path to enable this, corporate money will more easily flow.