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| Boji Information Systems | 712-262-9039 | 100 W 5th St | Spencer | IA | 51301 |
| Custom Computer Solutions | 712-274-7789 | 2038 S Saint Aubin St | Sioux City | IA | 51106 |
| Galm & Associates | 712-834-2445 | 3785 130th Ave | Royal | IA | 51357 |
| Newtek Accounting Systems | 712-274-7503 | 2115 S Henry St | Sioux City | IA | 51106 |
| Semco | 712-722-1253 | 3985 Ibex Ave | Sioux Center | IA | 51250 |
| Steadfast Data Systems | 712-757-3278 | 127 1st St SE | Primghar | IA | 51245 |
| Systems Plus Inc | 712-274-8838 | 2038 S Saint Aubin St | Sioux City | IA | 51106 |
| Teutsch Alvin Jr Cmpt | 712-233-1671 | 3407 Viking Dr | Sioux City | IA | 51104 |
| Us Software Inc | 712-347-4000 | 2200 Abbott Dr | Carter Lake | IA | 51510 |