| Witmer Public Safety Group, INC | Retail Trade | $2,456,652 | $2,382,437 | 217 | $33.9M |  Research |
| Star Holding LLC | Public Administration | $1,495,693 | $1,513,433 | 100 | N/A | Research |
| Star Holding LLC | Other Services (except Public Administration) | $1,460,920 | $1,471,727 | 192 | $36.7M | Research |
| John Rock, Inc. | Manufacturing | $1,352,700 | $1,362,039 | 136 | $134.9M | Research |
| Wire and Cable Specialties, Inc. | Manufacturing | $1,165,900 | $1,173,726 | 75 | $19.6M | Research |
| Ballymore Co INC | Wholesale Trade | $1,134,600 | $1,142,889 | 97 | $29.7M | Research |
| Farason Corpoation | Administrative and Support and Waste Management | $1,121,584 | $1,133,537 | 53 | $10.0M | Research |
| L. F. Lambert Spawn Co. INC | Agriculture, Forestry, Fishing and Hunting | $1,089,095 | $1,100,254 | 84 | $8.6M | Research |
| L.f. Lambert Spawn Co, INC | Agriculture, Forestry, Fishing and Hunting | $1,055,032 | $1,063,706 | 71 | $7.3M | Research |
| Armstrong Engineering Associates INC | Manufacturing | $1,041,100 | $1,052,610 | 59 | $14.4M | Research |
| Jgm Fabricators & Constructors LLC | Manufacturing | $1,011,800 | $1,021,356 | 131 | $32.0M | Research |
| Jgm Fabricators & Constructors LLC | Manufacturing | $1,011,800 | $1,023,498 | 70 | $17.1M | Research |
| Armstrong Engineering Associates INC | Manufacturing | $860,225 | $866,868 | 55 | $13.4M | Research |
| Keystone Turbine Services, LLC | Manufacturing | $821,200 | $827,131 | 47 | $12.3M | Research |
| General Transervice INC | Manufacturing | $800,300 | $807,147 | 48 | $12.6M | Research |
| Nathan Trotter & Co., Inc. | Manufacturing | $696,507 | $705,381 | 34 | $8.9M | Research |
| Nathan Trotter & Co. Inc. | Manufacturing | $659,090 | $666,069 | 41 | $10.7M | Research |
| On Site Marketing, Inc. | Professional, Scientific, and Technical Services | $658,900 | $665,886 | 72 | $7.5M | Research |
| On-Site Marketing INC | Professional, Scientific, and Technical Services | $658,900 | $662,980 | 45 | <$5M | Research |
| Greg a Vietri, INC | Construction | $655,900 | $659,580 | 36 | $11.8M | Research |
| Greg A. Vietri Inc. | Construction | $655,900 | $658,451 | 35 | $11.5M | Research |
| Rock Technologies, Inc. | Transportation and Warehousing | $623,887 | $628,194 | 47 | $7.1M | Research |
| Leading Edge Composites, Inc. | Manufacturing | $560,480 | $565,711 | 36 | $9.4M | Research |
| Morelli-Hoskins Ford Inc. | Retail Trade | $543,000 | $546,050 | 54 | $13.6M | Research |
| Morelli Hoskins Ford INC | Retail Trade | $540,007 | $544,017 | 57 | $14.4M | Research |