| Noblitt International Corporation | Manufacturing / Fabricated metal products | IN | 84 | $870,000 to $3.1M | · | 76 | 10 | 56 | · | 26 |
| Nor-Cote International, Inc. | Manufacturing / Chemical manufacturing | IN | 66 | $1.9M to $7.6M | · | 76 | 10 | 76 | · | 29 |
| Norman Eyecare, Ltd | Healthcare services / Optometry | IN | 97 | $820,000 to $2.6M | · | 51 | 10 | 87 | · | 20 |
| N•••••• V••••••• I••• | Manufacturing / Wood products | IN | 53 | $567,000 to $2.1M | · | 69 | 10 | 42 | · | 22 |
| N•••• A••••••• C••• S••••••• I••• | Transportation and logistics / Warehousing | IN | 70 | $536,000 to $2.2M | · | 47 | 6 | 53 | · | 15 |
| N•••• A••••••• S••••• I••• | Manufacturing / Miscellaneous manufacturing | IN | 178 | $2.3M to $9.6M | · | 80 | 10 | 39 | · | 25 |
| N•••• A••••••• T••••••••• S•••••••• I••• | Transportation and logistics / General freight trucking | IN | 94 | $648,000 to $2.6M | · | 43 | 6 | 73 | · | 15 |
| N•••• C•••••• V••••••••• E•••••••• C•••••• L•• | Healthcare services / Veterinary | IN | 147 | $1.4M to $4.2M | · | 55 | 10 | 76 | · | 21 |
| N•••••••• O••••••••• P••• | Healthcare services / Optometry | IN | 115 | $580,000 to $1.9M | · | 64 | 10 | 56 | · | 22 |
| N••••••••• C•••••• I•• | Healthcare services / Outpatient mental health substance | IN | 208 | $1.2M to $4.6M | · | 76 | 10 | 86 | · | 30 |
| N••••••• I•••••• A••••••••• S•••••• C•••••• L•• | Healthcare services / Outpatient specialty clinics | IN | 68 | $506,000 to $2.0M | · | 58 | 10 | 56 | · | 20 |
| N•••••••• I•••••• C•••••••• A••••• C••••••••• | Business services / Other professional services | IN | 240 | $1.3M to $5.8M | · | 75 | 10 | 93 | · | 30 |
| N•••••••• I•••••• E•• A••••••••• P• | Healthcare services / Optometry | IN | 66 | $490,000 to $1.6M | · | 60 | 10 | 56 | · | 21 |
| N•••••••• I••••••••• I••• | Manufacturing / Miscellaneous manufacturing | IN | 59 | $653,000 to $2.8M | · | 68 | 10 | 73 | · | 25 |
| N••• H••• C••• I•• | Healthcare services / Home health | IN | 174 | $559,000 to $1.8M | · | 42 | 10 | 76 | · | 16 |
| N•••• P••••• L• | Manufacturing / Transportation equipment | IN | 1,130 | $14.9M to $66.4M | · | 40 | 10 | 73 | · | 15 |
| N•••••••• I••• | Business services / Engineering services | IN | 193 | $1.7M to $5.8M | · | 75 | 10 | 40 | · | 24 |
| N••••••• I••• | Specialty distribution / Misc durable wholesale | IN | 154 | $1.7M to $9.1M | · | 73 | 0 | 73 | · | 23 |
| N•• C••••••• I••• | Transportation and logistics / Local delivery | IN | 71 | $176,000 to $749,000 | Family owned | 47 | 6 | 93 | · | 18 |
| N•• J••••• L•• | Manufacturing / Fabricated metal products | IN | 111 | $1.0M to $3.7M | · | 77 | 10 | 76 | · | 29 |
| N•••••••• 1••• I•• | Manufacturing / Food manufacturing | IN | 193 | $2.7M to $11.6M | · | 60 | 10 | 73 | · | 22 |
| N•• I••••••••• • N•• A••••• | Manufacturing / Miscellaneous manufacturing | IN | 311 | $4.0M to $16.8M | · | 69 | 10 | 73 | · | 26 |
| O•••••• E••••••••• I••• • S••• | Manufacturing / Wood products | IN | 155 | $1.8M to $6.9M | · | 75 | 10 | 76 | · | 28 |
| O•••• L••••••••• L•• | Manufacturing / Plastics rubber products | IN | 318 | $4.1M to $14.7M | · | 61 | 10 | 40 | · | 19 |
| O••••• R••••••••• M••••••••• I••• | Business services / Management consulting | IN | 108 | $1.3M to $4.7M | · | 62 | 10 | 76 | · | 23 |
| O••••••••• T•••••• A•••••••• | Healthcare services / Physical occupational therapy | IN | 245 | $2.0M to $6.2M | · | 56 | 10 | 56 | · | 19 |
| O••••• T•••• S••••• I••• | Transportation and logistics / Warehousing | IN | 133 | $1.2M to $5.0M | · | 72 | 6 | 83 | · | 26 |
| O••••••••• S•••••••• L•• | Specialty distribution / Furniture home wholesale | IN | 85 | $744,000 to $3.3M | · | 71 | 0 | 93 | · | 24 |
| O•• B••••• H•••••••• I••• | Manufacturing / Wood products | IN | 1,928 | $20.7M to $78.1M | · | 54 | 10 | 87 | · | 21 |
| O••• H•••••••• L•• | Business services / Engineering services | IN | 200 | $1.8M to $6.0M | · | 79 | 10 | 76 | · | 30 |
| O••• V••••• E•• I•••••••• P• | Healthcare services / Optometry | IN | 71 | $320,000 to $1.0M | · | 39 | 10 | 56 | · | 13 |
| O••••• W••• C••••••• I••• | Manufacturing / Beverage manufacturing | IN | 117 | $2.5M to $9.8M | · | 75 | 10 | 76 | · | 28 |
| O•••• C••••• D••••••• L•• | Manufacturing / Miscellaneous manufacturing | IN | 71 | $704,000 to $3.0M | · | 57 | 10 | 94 | · | 23 |
| O•••• N••••••• P•••••••• L•• | Manufacturing / Fabricated metal products | IN | 88 | $1.1M to $3.7M | · | 75 | 10 | 56 | · | 26 |
| O•••• P•••••• S•••••••• L•• | Manufacturing / Plastics rubber products | IN | 54 | $706,000 to $2.5M | · | 52 | 10 | 76 | · | 20 |
| O••• T••••••••• I••• | Manufacturing / Plastics rubber products | IN | 72 | $821,000 to $2.9M | · | 75 | 10 | 56 | · | 26 |
| O•• N•••• A••••••• I••• | Manufacturing / Transportation equipment | IN | 143 | $1.2M to $5.3M | · | 63 | 10 | 73 | · | 23 |
| O• t•• S••• U•••••• R••••••••• L•• | Industrial services / Specialty trade other | IN | 159 | $1.1M to $4.8M | · | 61 | 9 | 83 | · | 23 |
| O••••••• I••• | Tech-enabled services / Data processing hosting | IN | 205 | $4.8M to $19.3M | · | 56 | 10 | 73 | · | 21 |
| O••••• T•••••••• I•• | Transportation and logistics / General freight trucking | IN | 560 | $5.4M to $21.8M | · | 55 | 6 | 73 | · | 19 |
| O•••••••• L•••••••• L•• | Transportation and logistics / General freight trucking | IN | 52 | $720,000 to $2.9M | · | 46 | 6 | 73 | · | 16 |
| O••••• M••••••••• C•••••• | Manufacturing / Machinery manufacturing | IN | 120 | $1.8M to $6.3M | · | 78 | 10 | 76 | · | 29 |
| O•••••••• I••• | Specialty distribution / Motor vehicle parts wholesale | IN | 1,944 | $24.6M to $111M | · | 50 | 0 | 73 | · | 16 |
| O••••••••• f•• P••••••• G•••••• I••• | Healthcare services / Home health | IN | 160 | $581,000 to $1.9M | · | 55 | 10 | 40 | · | 17 |
| O••• • M••••••••• S•••••• A••••••••• P••• | Healthcare services / Dental | IN | 119 | $1.1M to $3.3M | · | 81 | 10 | 56 | · | 28 |
| O•• C••• G••••• L•• | Business services / Management consulting | IN | 157 | $1.6M to $5.9M | · | 75 | 10 | 40 | · | 24 |
| O••••••••• H•••••••• L•• | Manufacturing / Miscellaneous manufacturing | IN | 139 | $1.1M to $4.8M | · | 80 | 10 | 83 | · | 31 |
| O•••••• I••• | Tech-enabled services / Data processing hosting | IN | 71 | $1.5M to $6.0M | · | 53 | 10 | 53 | · | 18 |
| O••••• L•• | Manufacturing / Miscellaneous manufacturing | IN | 191 | $2.3M to $9.7M | · | 80 | 10 | 73 | · | 30 |
| O•••• W••••• C•••••• I••• | Manufacturing / Primary metal | IN | 255 | $4.1M to $14.9M | · | 80 | 10 | 40 | · | 25 |