| Business | Phone |
| Jehovah's Witnesses Kingdom Hl 164 Mountain Rd, Grimsby L3M 4E7 | (905) 945-3223 |
| Lakemount Worship Ctr 54 North Service Rd, Grimsby L3M 1Y8 | (905) 945-8888 |
| Mountainview Christian Ref Ch 290 Main St E, Grimsby L3M 1P8 | (905) 945-0004 |
| St Andrew's Anglican Church 7 St Andrews Ave, Grimsby L3M 3R9 | (905) 945-8894 |
| St George's Ukranian Greek 19 Ontario St, Grimsby L3M 3G8 | (905) 945-3770 |
| St John's Presbyterian Church 10 Mountain St, Grimsby L3M 3J6 | (905) 945-5352 |
| St Joseph's Church 135 Livingston Ave, Grimsby L3M 5J6 | (905) 945-2661 |
| St Mary's Dormition Ukrainian 103 Mountain Rd, Grimsby L3M 4E7 | (905) 945-6369 |
| St Philip By-The Lake 377 Park Rd N, Grimsby L3M 2P6 | (905) 945-5022 |
| Tree Of Life 504 Mud, Grimsby | (905) 643-8175 |
| Tree Of Life Missions Po Box 195 Stn Main, Grimsby L3M 4G3 | (905) 945-1888 |
| Trinity United Church 100 Main St W, Grimsby L3M 1R7 | (905) 945-2249 |
| Centennial Park Baptist Church 11 Kennedy Rd, Grimsby L3M 1E8 | (905) 945-8932 |
| Christ Our Saviour Lutheran 448 Main St W, Grimsby L3M 1T3 | (905) 945-8931 |
| Christian Life Ctr 315 Main St E, Grimsby L3M 1R1 | (905) 945-1676 |
| Church Of Christ 63 Casablanca Blvd, Grimsby | (905) 945-3058 |