| R. L. Ryan Company | Other Services (except Public Administration) | $192,300 | $193,587 | 16 | <$5M |  AI Deep Dive |
| Weber & Otto Family Dentistry | Health Care and Social Assistance | $191,000 | $192,300 | 15 | <$5M | AI Deep Dive |
| Weber & Otto Family Dentistry | Health Care and Social Assistance | $187,868 | $188,849 | 15 | <$5M | AI Deep Dive |
| Legacy Transportation, INC | Finance and Insurance | $179,120 | $181,085 | 24 | $12.3M | AI Deep Dive |
| Mason City Recycling Center Ltd | Manufacturing | $173,190 | $174,176 | 17 | $16.9M | AI Deep Dive |
| Hearing Associates PC | Manufacturing | $172,712 | $173,422 | 13 | <$5M | AI Deep Dive |
| MD Products and Solutions INC | Manufacturing | $163,800 | $164,724 | 24 | $6.3M | AI Deep Dive |
| Bergland + Cram Architects INC | Professional, Scientific, and Technical Services | $162,841 | $163,587 | 12 | <$5M | AI Deep Dive |
| North Iowa Youth for Christ Inc. | Health Care and Social Assistance | $161,732 | $162,702 | 21 | N/A | AI Deep Dive |
| North Iowa Youth for Christ, Inc. | Health Care and Social Assistance | $161,700 | $162,679 | 20 | N/A | AI Deep Dive |
| Fmcc | Accommodation and Food Services | $157,700 | $159,224 | 33 | $5.9M | AI Deep Dive |
| Las Palmas Mexican Restaurant INC | Accommodation and Food Services | $157,300 | $158,432 | 24 | <$5M | AI Deep Dive |
| Spring Harbor LLC | Health Care and Social Assistance | $157,250 | $158,735 | 25 | <$5M | AI Deep Dive |
| Young Men's Christian Association of Mason City | Arts, Entertainment, and Recreation | $157,197 | $157,961 | 23 | N/A | AI Deep Dive |
| Window World of Mason City, Inc. | Construction | $152,000 | $153,381 | 16 | <$5M | AI Deep Dive |
| Mason City Family Ymca | Arts, Entertainment, and Recreation | $151,800 | $152,626 | 24 | N/A | AI Deep Dive |
| Rvv Enterprise, LLC | Accommodation and Food Services | $151,000 | $152,862 | 30 | $5.3M | AI Deep Dive |
| D & D Sales, INC | Manufacturing | $150,900 | $152,061 | 16 | $5.6M | AI Deep Dive |
| Cf Financial, Inc. | Professional, Scientific, and Technical Services | $149,887 | $150,678 | 8 | <$5M | AI Deep Dive |
| Cf Financial, Inc. | Professional, Scientific, and Technical Services | $147,400 | $148,510 | 8 | <$5M | AI Deep Dive |
| Mason City Hotel Associates LLC | Accommodation and Food Services | $147,160 | $148,309 | 24 | $7.5M | AI Deep Dive |
| Mason City All Risk Insurance, Inc. | Finance and Insurance | $144,300 | $145,366 | 15 | $7.7M | AI Deep Dive |
| Pappajohn, Shriver, Eide, & Nielsen P.c. | Professional, Scientific, and Technical Services | $142,600 | $143,860 | 10 | <$5M | AI Deep Dive |
| Bergland and Cram Architects INC | Professional, Scientific, and Technical Services | $142,000 | $142,888 | 12 | <$5M | AI Deep Dive |
| Northern Cedar Service Co., Inc. | Construction | $141,800 | $143,088 | 12 | <$5M | AI Deep Dive |