| 900 Page Dr | | 701-232-8701
| Fargo, ND | |
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| 2111 Main Ave E # 17 | | 701-281-2043
| West Fargo, ND | |
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| 926 50th Ave S | | 218-236-7406
| Moorhead, MN | |
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| 3105 Broadway | | 701-271-6779
| Fargo, ND | |
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| 4032 7th Ave N | | 701-572-0204
| Fargo, ND | |
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Midwest Testing Laboratory Inc |
| 4102 7th Ave N | | 701-282-9633
| Fargo, ND | |
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Northern Technologies Inc |
| 2942 Fiechtner Dr | | 701-232-1822
| Fargo, ND | |
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Soil Testing & Consulting |
| 340 Main St | | 701-428-3894
| Davenport, ND | |
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