| Bruckner Truck Sales, Inc. | Wholesale Trade | $10,000,000 | $0 | 250 | $76.6M |  Research |
| Venable's Welding & Roustabout | Construction | $10,000,000 | $6,404,519 | 245 | $56.7M | Research |
| Yellowhouse Machinery Co. | Wholesale Trade | $5,389,200 | $5,444,888 | 250 | $76.6M | Research |
| Baptist Community Services | Health Care and Social Assistance | $4,731,905 | $4,765,817 | 488 | N/A | Research |
| Friona Industries LP | Agriculture, Forestry, Fishing and Hunting | $4,143,900 | $4,190,519 | 250 | $40.9M | Research |
| Smart Chemical Solutions LLC | Mining, Quarrying, and Oil and Gas Extraction | $3,794,500 | $3,839,823 | 209 | $12.7M | Research |
| Cal Farley's Boys Ranch | Public Administration | $3,749,700 | $3,784,281 | 359 | N/A | Research |
| American Quarter Horse Assocation | Other Services (except Public Administration) | $3,156,100 | $3,193,009 | 250 | N/A | Research |
| J Lee Milligan INC | Manufacturing | $3,083,000 | $3,118,813 | 277 | $274.7M | Research |
| Fmc Services LLC | Real Estate and Rental and Leasing | $2,988,500 | $3,023,698 | 250 | $37.5M | Research |
| Bdr Preferred Holdings LLC | Management of Companies and Enterprises | $2,925,700 | $2,833,650 | 250 | $41.1M | Research |
| Duke Electric Company, Inc. | Construction | $2,371,100 | $2,395,272 | 137 | $45.1M | Research |
| Dee King Trucking LP | Transportation and Warehousing | $2,239,500 | $2,262,579 | 152 | $30.6M | Research |
| Amarillo Medical Specialists LLP | Health Care and Social Assistance | $2,212,100 | $2,238,830 | 194 | $60.9M | Research |
| Western Builders of Amarillo, Inc. | Construction | $2,008,700 | $2,032,191 | 125 | $142.4M | Research |
| Smart Chemical Solutions LLC | Mining, Quarrying, and Oil and Gas Extraction | $2,000,000 | $2,013,556 | 124 | $7.5M | Research |
| Bdr Preferred Holdings LLC | Retail Trade | $2,000,000 | $2,009,389 | 245 | $61.7M | Research |
| Venables Construction INC | Construction | $2,000,000 | $2,006,833 | 91 | $28.2M | Research |
| Dee King Trucking LP | Transportation and Warehousing | $2,000,000 | $2,010,111 | 182 | $36.7M | Research |
| A-7 Austin Ltd | Wholesale Trade | $1,961,545 | $1,970,644 | 120 | $36.8M | Research |
| A-7 Austin, Ltd | Wholesale Trade | $1,961,500 | $1,981,115 | 169 | $51.8M | Research |
| Amarillo Heart Group, LLP | Health Care and Social Assistance | $1,928,700 | $1,947,511 | 168 | $52.7M | Research |
| Big Texan Steak Ranch Inc. | Accommodation and Food Services | $1,926,317 | $1,948,577 | 262 | $46.5M | Research |
| Street Automotive, Inc. | Retail Trade | $1,732,100 | $1,744,946 | 152 | $38.3M | Research |
| Panhandle Eye Group. LLP | Health Care and Social Assistance | $1,701,762 | $1,711,689 | 250 | $78.5M | Research |