| Company | Category | Area | Address | Web | E-mail | Contact person |
| DONALD HENRY HELMKE | General Crop Farm | Ohio | 29614 BEHRENS RD, DEFIANCE, Defiance, Ohio, 43512-8184, USA |
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Donald Helmke |
| DONALD HERMAN | Dairy Farm | Ohio | 7586 COUNTY ROAD D, EDGERTON, Williams, Ohio, 43517-9791, USA |
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Donald Herman |
| DONALD HOFSTETTER | Excavation Contractor | Ohio | 4431 WENGER RD S, DALTON, Wayne, Ohio, 44618-9748, USA |
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Donald Hofstetter |
| DONALD HOLMER | General Crop Farm | Ohio | 2145 N COUNTY ROAD 27, REPUBLIC, Seneca, Ohio, 44867-9630, USA |
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Donald Holmer |
| DONALD HOVIS | Soybean Farm | Ohio | 1375 COUNTY ROAD 10, BRADNER, Wood, Ohio, 43406-9603, USA |
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Donald Hovis |
| DONALD HUFFMAN | Insurance | Ohio | 3002 ELM RD NE, CORTLAND, Trumbull, Ohio, 44410-9202, USA |
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Donald Huffman |
| DONALD HUGHES | Attorneys | Ohio | 41 S HIGH ST, COLUMBUS, Franklin, Ohio, 43215-6101, USA |
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Donald Hughes |
| DONALD HUTCHISON | Corn Farm Soybean Farm | Ohio | 5640 BULLHEAD RD, WILLARD, Huron, Ohio, 44890-9643, USA |
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Donald Hutchison |
