| John L Miller Farms Inc. CA | Agriculture & Forestry | 0 | — | D |
| John L. Carter Sprinkler Co., Inc. NH | Construction | 0 | — | F |
| John Labib Structural Engineers, LLP CA | Professional & Technical Services | 2 | $98,420 | — |
| John Labib Structural Engineers, LLP. CA | Professional & Technical Services | 3 | $91,090 | — |
| John Lucas Tree Expert Co ME | Administrative & Waste Services | 0 | — | F |
| John M Frank Construction Inc CA | Construction | 0 | — | F |
| John Manninger Electric, Inc. CA | Construction | 0 | — | A |
| John Manville SC | — | 0 | — | — |
| John Manville Willows Plant CA | — | 0 | — | — |
| John Mazzailingua Associates LLC dba JMA Wireless CO | Manufacturing | 0 | — | A |
| John Mazzailingua Associates LLC dba JMA Wireless IL | Manufacturing | 0 | — | A |
| John Mazzailingua Associates LLC dba JMA Wireless NY | Manufacturing | 0 | — | F |
| John Mazzailingua Associates LLC dba JMA Wireless TX | Manufacturing | 0 | — | A |
| John McCormack Company CA | Agriculture & Forestry | 0 | — | A |
| John Mezzalingua Associates LLC dba JMA Wireless CO | Manufacturing | 0 | — | A |
| John Mezzalingua Associates LLC dba JMA Wireless IL | Manufacturing | 0 | — | A |
| John Mezzalingua Associates LLC dba JMA Wireless NY | Manufacturing | 0 | — | B |
| John Mezzalingua Associates LLC dba JMA Wireless TX | Manufacturing | 0 | — | A |
| John Mezzalingua Associates, LLC NY | Manufacturing | 16 | $121,781 | — |
| John Michael Designs, LLC CA | Manufacturing | 0 | — | F |
| John Michael Kohler Arts Center WI | Arts & Entertainment | 0 | — | A |
| John Middleton Company PA | — | 0 | — | — |
| John Mills Electric, Inc. NY | Construction | 0 | — | C |
| John Mini Distinctive Landscapes LTD NY | Administrative & Waste Services | 0 | — | D |
| John Moore LLC TX | Construction | 0 | — | F |
| John Moriarty & Associates Florida FL | Construction | 0 | — | F |
| John Moriarty & Associates, Inc. MA | Construction | 0 | — | F |
| John Moriarty & Associates, Inc. VA | Construction | 0 | — | A |
| John Morrell IA | — | 0 | — | — |
| John Mourier Construction, Inc CA | Construction | 0 | — | F |
| John Muir Health (JMH) CA | — | 0 | — | — |
| John Muir Health-Core Lab CA | — | 0 | — | — |
| JOHN NERI CONSTRUCTION CO., INC. IL | Construction | 0 | — | A |
| John P. Picone, Inc. NY | Construction | 0 | — | C |
| John Paul Mitchell Systems CA | Wholesale Trade | 0 | — | F |
| JOHN PLYLER PLUMBING AND HARDWARE AR | Retail Trade | 0 | — | A |
| John Pohar & Sons, Inc. IL | Construction | 0 | — | A |
| John Pomp Studios PA | Manufacturing | 0 | — | F |
| John Prosock Machine Inc PA | Manufacturing | 0 | — | F |
| John Prouty Construction, Inc NE | Construction | 0 | — | A |
| John R Hess & Company, Inc. RI | Wholesale Trade | 0 | — | F |
| John R Morreale Meat Inc. IL | Manufacturing | 0 | — | B |
| JOHN R STEELE & ASSOCIATES INC. NY | Professional & Technical Services | 1 | $43,680 | — |
| JOHN R. DE LA VEGA, P.A. FL | Professional & Technical Services | 1 | $122,179 | — |
| John R. Hobbs Construction Co., Inc. KY | Construction | 0 | — | F |
| John R. Jurgensen Company OH | Construction | 0 | — | C |
| John R. Mott, Inc. NY | — | 0 | — | — |
| John R. Stinson & Sons Inc PA | Agriculture & Forestry | 0 | — | C |
| John R. Young & Co. PA | Wholesale Trade | 0 | — | A |
| John R. Young & Company PA | Construction | 0 | — | F |
