| Makingcomputers.com, Inc. | California |
| Makin’ HEY! Communications | |
| makkintosshu | Vermont |
| Mako | California |
| Mako IT Lab | Delaware |
| Mako Networks Ltd | Illinois |
| Mako Web Sales, LLC | Florida |
| MakroCare | New Jersey |
| Makromed, Inc. | New Hampshire |
| Mal Dev Technologies, LLC | |
| Malartu | North Carolina |
| MalarVx, Inc. | |
| Malcacorp | |
| Malcolm Wolf, Inc. | |
| Malibal | Nevada |
| Malimar Technology Group, Inc. | California |
| Malin Space Science Systems | California |
| Maliros, LLC | Texas |
| Malish and Pagonis | Pennsylvania |
| Mallconomy, Inc. | |
| Mallery Online Marketing | |
| Mallory Capital Group, LLC | Connecticut |
| Mallory Headsets | Massachusetts |
| Malone University | Ohio |
| Malong Technologies | Washington |
| Malwarebytes | California |
| MAMAC Systems, Inc. | Minnesota |
| Mambo Media, Inc. | |
| Mammoth | California |
| Mammoth Advertising, LLC | |
| Mammoth Biosciences, Inc. | California |
| Mammoth Investors, LLC | Indiana |
| Mammoth, LLC | Tennessee |
| Mammoth-AI | New Jersey |
| Mammotome | Ohio |
| MAMSYS | Ohio |
| Mana Interactive, Inc. | New York |
| Mana Security, Inc. | |
| Mana Ventures | |
| Manage, Inc. | Washington |
| ManageAmerica Integrated Billing Services, LLC | California |
| Managed Care Systems, Inc. | Arizona |
| Managed Healthcare Associates, Inc. | New Jersey |
| Managed IT Solutions | North Carolina |
| Managed Marketing Solutions | |
| Managed Solution | California |
| ManagedApps | New York |
| ManagedMethods | |
| ManageIQ | |
| Management and Strategy Institute | |