These are underwriters that support Relevant Radio® and our mission to bring you the best in Catholic programming.
| Underwriter | Website | Contact |
| 40 Days for Life-National | https://www.40daysforlife.com/ | 888-543-3316 |
| Ave Maria Mutual Funds | https://www.avemariafunds.com/ | 866-283-6274 |
| Ave Maria University | https://www.avemaria.edu/future-students/ | 239-280-2556 |
| Catholic Order of Foresters | https://www.catholicforester.org/ | 800-552-0145 |
| Christendom College | https://www.christendom.edu/ | 800-877-5456 |
| Glenmary Home Missioners | https://glenmary.org/ | 513-874-8900 |
| Kolbe Academy Homeschooling | https://www.kolbe.org/relevant | 707-255-6499 |
| Lord, Teach Me To Pray | https://lordteachmetopray.com/ | 504-439-5933 |
| National Shrine of Our Lady of Good Help | https://championshrine.org/ | 920-315-0398 |
| National Shrine of St. Joseph | https://norbertines.org/joseph | 920-337-4300 |
| Nicolet National Bank | https://www.nicoletbank.com/ | 800-369-0226 |
| My Catholic Doctor | https://www.northshoredentistryinfo.com/ | 847-292-8200 |
| Notre Dame Federal CU | https://notredamefcu.com/ | 800-522-6611 |
| Peter Grandich & Co | https://petergrandich.com/ | 732-642-3992 |
| Solidarity Healthshare | https://www.solidarityhealthshare.org/ | 855-954-5688 |
| TPM Flooring Sales | http://tpmflooring.com/ | 952-746-5157 |
| University of Mary | https://www.umary.edu/ | 701-355-8030 |
| Walk to Mary | https://walktomary.com/ | 920-883-1127 |