| Drill Tech Drilling & Shoring INC | Construction | $10,000,000 | $10,215,890 | 401 | $124.3M |  Research |
| Elc Consulting | Professional, Scientific, and Technical Services | $7,847,300 | $46,205 | 7 | <$5M | Research |
| Epic Care | Health Care and Social Assistance | $6,149,200 | $6,269,488 | 447 | $140.3M | Research |
| Rescue Electric Corporation | Construction | $6,116,300 | $6,187,852 | 380 | $125.0M | Research |
| Tralee INC | Retail Trade | $3,237,085 | $3,280,876 | 200 | $50.4M | Research |
| Community Integrated Work Program, Inc. | Health Care and Social Assistance | $2,848,152 | $2,895,361 | 500 | $81.0M | Research |
| Markstein Sales Company | Wholesale Trade | $2,436,595 | $2,464,719 | 172 | $44.3M | Research |
| Tralee Inc. | Retail Trade | $1,995,000 | $2,015,278 | 220 | $55.4M | Research |
| Victory Fire Protection Inc. | Construction | $1,814,500 | $1,824,890 | 117 | $37.0M | Research |
| Kal Krishnan Consulting Services, Inc. | Professional, Scientific, and Technical Services | $1,547,488 | $1,569,453 | 65 | $8.0M | Research |
| Bond Manufacturing Co INC | Manufacturing | $1,207,484 | $1,211,718 | 56 | $13.7M | Research |
| Bond Manufacturing Co. Inc. | Manufacturing | $1,207,484 | $1,216,416 | 99 | $24.2M | Research |
| Lone Tree Convalescent Inc. | Health Care and Social Assistance | $1,024,963 | $1,030,941 | 95 | $16.2M | Research |
| Banister Electrical Construction | Wholesale Trade | $1,000,000 | $1,013,726 | 55 | $16.8M | Research |
| Antioch Veterinary Hospital | Professional, Scientific, and Technical Services | $933,248 | $944,553 | 93 | $13.0M | Research |
| Contra Costa Medical Career College Inc. | Educational Services | $930,670 | $934,212 | 44 | $5.3M | Research |
| Wayne E. Swisher Cement Contractor, Inc. | Construction | $885,300 | $890,822 | 40 | $9.3M | Research |
| Norcal Care Centers, Inc. | Health Care and Social Assistance | $861,368 | $866,392 | 83 | $14.1M | Research |
| Banister Electrical INC | Construction | $739,142 | $750,097 | 30 | $9.9M | Research |
| Contra Costa Medical Career College, Inc. | Educational Services | $732,768 | $740,727 | 39 | <$5M | Research |
| Black Diamond Electric, Inc. | Construction | $715,100 | $720,978 | 68 | $22.4M | Research |
| Global Security Management Agency Inc. | Administrative and Support and Waste Management | $615,605 | $622,166 | 125 | $18.3M | Research |
| Cupertino Towing | Transportation and Warehousing | $538,098 | $547,051 | 51 | <$5M | Research |
| Antioch Public Golf Corporation | Accommodation and Food Services | $520,634 | $524,642 | 35 | $6.2M | Research |
| Delta Grinding Company, INC | Construction | $475,000 | $480,594 | 18 | $20.5M | Research |