| 651 | Hillsboro City of | $12,188,310 | 185 | 12 |
| 652 | Defiance City of | $12,147,506 | 314 | 15 |
| 653 | Down Syndrome Association Central Ohio | $12,145,216 | 116 | 4 |
| 654 | Gartner Inc | $12,143,799 | 77 | 20 |
| 655 | Cast & Baker Corporation | $12,140,034 | 66 | 2 |
| 656 | Illinois State TreasurerGov | $12,108,761 | 3 | 1 |
| 657 | Fisher Scientific Company | $12,084,217 | 1,122 | 9 |
| 658 | Indiana & Ohio Railway Company | $12,056,876 | 162 | 1 |
| 659 | NextGen Communications Inc | $12,037,094 | 24 | 1 |
| 660 | United States Postal Service | $11,974,384 | 177 | 25 |
| 661 | Total Business Systems, Inc. | $11,911,698 | 119 | 1 |
| 662 | Johnson Controls Fire Protection LP | $11,911,648 | 2,190 | 18 |
| 663 | Twinsburg City of | $11,908,383 | 205 | 9 |
| 664 | Perry Township of | $11,902,321 | 423 | 11 |
| 665 | Trucco Construction Co Inc | $11,885,111 | 80 | 4 |
| 666 | M & B Asphalt Co Inc | $11,881,939 | 55 | 4 |
| 667 | Jones Lang Lasalle Americas | $11,841,636 | 60 | 5 |
| 668 | Ron Foth Advertising | $11,814,844 | 215 | 2 |
| 669 | Centerville City of | $11,807,673 | 243 | 8 |
| 670 | Miamisburg City of | $11,729,688 | 214 | 10 |
| 671 | North Royalton City of | $11,692,773 | 178 | 9 |
| 672 | KT Supply LTD | $11,683,779 | 65 | 5 |
| 673 | Allied Universal Security Services | $11,644,861 | 185 | 2 |
| 674 | Independence Construction LLC | $11,642,338 | 17 | 2 |
| 675 | Ohio Bridge Corporation | $11,640,759 | 72 | 2 |
| 676 | Lawrence County Port AuthorityGov | $11,627,199 | 30 | 4 |
| 677 | Deerfield Township of | $11,626,727 | 59 | 7 |
| 678 | Ayersville Local School DistrictGov | $11,547,962 | 197 | 6 |
| 679 | Ashland City of | $11,539,549 | 284 | 12 |
| 680 | Bansal Construction Inc | $11,522,109 | 115 | 2 |
| 681 | Prime Construction Management & Survey | $11,515,885 | 149 | 1 |
| 682 | Franklin University | $11,459,528 | 217 | 9 |
| 683 | Marion General Hospital | $11,447,401 | 975 | 5 |
| 684 | Designer Brands Inc | $11,428,800 | 12 | 1 |
| 685 | Workman Industrial Services Inc | $11,416,422 | 97 | 2 |
| 686 | Forest Park City of | $11,404,012 | 189 | 9 |
| 687 | Hollywood Gaming at Mahoning Valley Race | $11,340,037 | 284 | 1 |
| 688 | Tiffin City of | $11,339,916 | 291 | 15 |
| 689 | Terracon Consultants Inc | $11,337,110 | 180 | 5 |
| 690 | Miami Valley Regional Planning | $11,308,280 | 79 | 2 |
| 691 | Midwest Regional Educational Service | $11,300,216 | 415 | 8 |
| 692 | Dominion Energy Ohio | $11,285,722 | 1,418 | 11 |
| 693 | El Robinson Engineering of Ohio Co | $11,281,548 | 398 | 2 |
| 694 | Ohio Northern University | $11,183,423 | 138 | 10 |
| 695 | Ohio Turnpike & Infrastructure | $11,176,674 | 983 | 17 |
| 696 | General Temperature Control Inc | $11,162,993 | 1,352 | 13 |
| 697 | Rock Ohio Ventures LLC | $11,128,757 | 238 | 1 |
| 698 | Norwood City of | $11,121,957 | 163 | 9 |
| 699 | RJ Runge Company Inc | $11,117,065 | 34 | 2 |
| 700 | Great Lakes Petroleum | $11,093,301 | 2,661 | 9 |