Match Amounts Minimum $10, Maximum, $500 Match Ratio 1:1. C.H. Robinson’s Matching Gift Submission Process: Employees should submit their matching gift requests electronically at https://chrobinson.yourcause.com/. C.H. Robinson provides grants to nonprofits where employees volunteer regularly. After employees volunteer 20 hours with an organization, C.H. Robinson provides a volunteer grant of $250 to that organization.