| Business | Phone |
| Apostolic Bible Church 220 N Franklin St, Rensselaer 47978 | (219) 866-7978 |
| Assembly Of God Church 615 W Clark St, Rensselaer 47978 | (219) 866-5860 |
| Baptist Church First 2010 N Mckinley Ave, Rensselaer 47978 | (219) 866-7664 |
| Bethany Evangelical Free Chr 2100 E Grace St, Rensselaer 47978 | (219) 866-8620 |
| Brushwood United Methodist Chr 5474 W 200 N, Rensselaer 47978 | (219) 866-3933 |
| Burr Oak Mennonite Church 11506 W 200 S, Rensselaer 47978 | (219) 394-2339 |
| Church Of Jesus Christ Of Lds 10315 Locksley Dr, Rensselaer 47978 | (219) 866-0867 |
| Church Of Jesus Christ Of Lds 406 N Milton St, Rensselaer 47978 | (219) 866-8954 |
| Church Of The Nazarene 210 S Mckinley Ave, Rensselaer 47978 | (219) 866-8243 |
| Faith Christian Tabernacle 4911 W 1100 S, Rensselaer 47978 | (219) 866-4027 |
| Faith Pentecostal Church-God 3385 N Us Highway 231, Rensselaer 47978 | (219) 866-3181 |
| Fellowship Of Living Hope 3850 W Bunkum Rd, Rensselaer 47978 | (219) 866-0779 |
| First Christian Church 327 N Van Rensselaer St, Rensselaer 47978 | (219) 866-7871 |
| First Presbyterian Church 220 N Cullen St, Rensselaer 47978 | (219) 866-7005 |
| Iroquois Valley Christian Chr 2335 W Bunkum Rd, Rensselaer 47978 | (219) 866-2230 |
| Kingdom Hall-Jehovah's Witness 126 E Maple St, Rensselaer 47978 | (219) 866-8723 |
| Open Bible Baptist Church 722 Summer St, Rensselaer 47978 | (219) 866-0070 |
| Parr Baptist Church 1075 East St, Rensselaer 47978 | (219) 866-3363 |
| Rensselaer Community Church 305 E Wood Rd, Rensselaer 47978 | (219) 866-4436 |
| St Augustine Catholic Church 318 N Mckinley Ave, Rensselaer 47978 | (219) 866-5351 |
| St Francis Catholic Church Po Box 852, Rensselaer 47978 | (219) 866-6271 |
| St John's Lutheran Church 2787 N County Rd 700 W, Rensselaer 47978 | (219) 866-8683 |
| St Luke Ev Lutheran Church 704 E Grace St, Rensselaer 47978 | (219) 866-7681 |
| St Peter's Episcopal Church 402 S Melville St, Rensselaer 47978 | (219) 866-8225 |
| Tri-County Bible Church 5856 W 1050 S, Rensselaer 47978 | (219) 866-0432 |
| Trinity United Methodist Chr 107 E Angelica St, Rensselaer 47978 | (219) 866-7271 |