| Business | Phone |
| Uecker Ins Inc 810 3rd St, Langdon 58249 | (701) 256-5181 |
| T R Waind Insurance & Realty 312 8th Ave, Langdon 58249 | (701) 256-2166 |
| State Farm Insurance 801 3rd St, Langdon 58249 | (701) 256-2024 |
| Darrell D Ballweg Insurance 807 10th Ave, Langdon 58249 | (701) 256-5200 |
| Peterson Enterprises 985 15th St E, Langdon 58249 | (701) 256-5180 |
| Farmers Union Insurance 720 3rd St, Langdon 58249 | (701) 256-5142 |
| Nodak Mutual Insurance 717 3rd St, Langdon 58249 | (701) 256-2407 |
| Mostad Insurance Inc 724 3rd St, Langdon 58249 | (701) 256-2253 |