| Business | Phone |
| State Farm Insurance 722 E Calvert Ave, Karnes City 78118 | (830) 780-3363 |
| Garfield Farm Mutual Insurance 919 S Panna Maria Ave, Karnes City 78118 | (830) 780-2444 |
| Jess Williams Insurance 409 E Calvert Ave, Karnes City 78118 | (830) 780-3344 |
| Jonathan M Schulz Ii Insurance 701 E Calvert Ave, Karnes City 78118 | (830) 780-4122 |
| Karnes County Farm Bureau Ins 115 W Calvert Ave, Karnes City 78118 | (830) 780-2471 |