| Aaron Thomas Company, INC | Administrative and Support and Waste Management | $6,838,175 | $6,352,499 | 500 | $94.6M |  Research |
| Apex Innovative Sciences, Inc. | Health Care and Social Assistance | $5,011,700 | $5,085,623 | 396 | $72.2M | Research |
| The Roman Catholic Bishop of Orange | Other Services (except Public Administration) | $3,630,707 | $3,666,119 | 377 | N/A | Research |
| Catalina Cylinders Inc. | Manufacturing | $3,309,357 | $3,348,518 | 209 | $51.1M | Research |
| G Brothers Construction, Inc. | Construction | $3,307,252 | $3,345,127 | 271 | $68.5M | Research |
| Cts Cement Manufacturing Corporation | Manufacturing | $3,298,600 | $3,344,329 | 206 | $204.3M | Research |
| Video Voice Data Communications | Information | $3,252,043 | $3,297,661 | 330 | $55.4M | Research |
| Hycor Biomedical LLC | Manufacturing | $2,656,700 | $2,700,226 | 178 | $176.5M | Research |
| Customfab, Inc. | Manufacturing | $2,264,900 | $2,302,690 | 308 | $86.0M | Research |
| Boiling Crab Restaurant Group, LLC | Accommodation and Food Services | $2,131,850 | $2,159,652 | 352 | $62.5M | Research |
| Arcs Restaurant Management INC | Accommodation and Food Services | $2,065,200 | $2,088,738 | 456 | $81.0M | Research |
| Bay Valley Mortgage Group | Finance and Insurance | $2,013,800 | $1,363,645 | 234 | $120.2M | Research |
| Boiling Crab Restaurant Group LLC | Accommodation and Food Services | $2,000,000 | $2,021,205 | 299 | $53.1M | Research |
| Kim International Corporation | Manufacturing | $1,900,000 | $1,914,784 | 129 | $127.9M | Research |
| Boys & Girls Clubs of Garden Grove, Inc. | Educational Services | $1,874,995 | $1,894,005 | 498 | N/A | Research |
| 12072 Trask Inc. | Health Care and Social Assistance | $1,799,000 | $1,821,278 | 4 | <$5M | Research |
| Noarus Tgg | Retail Trade | $1,762,500 | $1,789,770 | 156 | $39.3M | Research |
| Evans Manufacturing Inc. | Manufacturing | $1,691,662 | $1,707,096 | 67 | $18.7M | Research |
| Boys & Girls Clubs of Garden Grove Inc. | Health Care and Social Assistance | $1,684,745 | $1,695,836 | 219 | N/A | Research |
| Evans Manufacturing, Inc. | Manufacturing | $1,670,292 | $1,684,936 | 127 | $35.5M | Research |
| C.o.t. Trucking, Inc. | Transportation and Warehousing | $1,637,795 | $163,902 | 20 | $7.7M | Research |
| Commercial Custom Seating and Upholstery Inc. Employee Stock | Manufacturing | $1,615,322 | $1,635,199 | 101 | $26.4M | Research |
| Commercial Custom Seating and Upholstery, Inc. | Manufacturing | $1,615,317 | $1,635,733 | 98 | $25.7M | Research |
| Informative Research | Other Services (except Public Administration) | $1,594,164 | $1,472,372 | 141 | $26.9M | Research |
| Community Action Partnership of Orange County | Health Care and Social Assistance | $1,565,800 | $1,403,729 | 113 | N/A | Research |