| David McCay | Sales Representative | Capitol Aggregates, Inc. |
| Greg McClendon | Vice President of Sales | Vulcan Materials Company |
| Brad McCollum | Director of Market Management | Advanced Drainage Systems |
| Steve McConathy | Business Manager | Austin Bridge & Road, LP |
| Paul McCourt | President | McCourt Equipment, Inc. |
| Eamon McCourt | Sr. Vice President | McCourt Equipment, Inc. |
| Connor McCourt | VP of Business Development | McCourt Equipment, Inc. |
| Sean McCourt | Territory Manager | McCourt Equipment, Inc. |
| Ashley McCrady | Sales & Marketing Manager | Mobile Energy Solutions |
| Jeremy McDonald | Texas-North CEI Area Leader | RS&H |
| Louis McDow | Area Engineer | Texas Department of Transportation |
| Patrick McGarrity | (not set) | Powerscreen Texas, Inc. |
| Casey McGee | Director of Operations | Texas Department of Transportation |
| Marc McIntosh | Sales | Wright Asphalt Products Co. |
| Darren McKillip | (not set) | HOLT CAT |
| Steve McReynolds | Director of Operations | Asphalt Testing Solutions & Engineering |
| DJ Meek | QC/QA Manager | Austin Bridge & Road, LP |
| Yash Menaria | Engineer | Terracon Consultants, Inc. |
| Samuel Mendoza | Engineering Assistant | Texas Department of Transportation |
| Alvin Meyer | Alternative Delivery Proj Mgr | TxDOT |
| Chris Michael | VP Business Development | Texas Materials North Texas Area |
| Paul Michaels | Regional Parts Manager - TEXAS | Astec Industries, Inc. |
| Jamie Middleton | Sales Manager - Central and South Texas | Heidelberg Materials |
| Ana Mijares | Deputy District Engineer | Texas Department of Transportation |
| Miguel 'Mike' Arellano, P.E. | Austin District Deputy Engineer | Texas Department of Transportation |
| Marbella Miller | Director, Partner Development | Naylor Association Solutions |
| Jeremy Miller | Sales | Stansteel and Hot Mix Parts & Service |
| Wade Miller | Owner/President | Big Creek Construction |
| John Miller | Owner | Big Creek Construction |
| Mark Miller | Vice President | Big Creek Construction |
| Duane Milligan, P.E. | Director, Construction Division | Texas Department of Transportation |
| Steven Mitchell | Service Technician | Gordon Technical Sales & Service, Inc. |
| Mason Mitchell | Vice President | James Hamilton Construction Co. |
| Mandy Monjaras | Manager Asphalt Supply and Trading | Valero Marketing and Supply Company |
| Clint Montfort | Territory Manager | McCourt Equipment, Inc. |
| Ross Moomaw | Estimator | Texas Materials Gulf Coast Area |
| Ricky Moore | Senior Project Manager | TCS |
| Mark morgan | Vice President-Sales | Martin Marietta Materials Southwest, Inc. |
| David Morren | Transportation Engineer Supervisor | TxDOT |
| Terry Morris | DFW Sales Manager | Lhoist North America |
| Troy Morrison | (not set) | Austin Bridge & Road, LP |
| David Morton | Director of Quality Control | Texas Materials North Texas Area |
| Phillip Moss, P.E. | Regional Sales Manager | Ergon Asphalt & Emulsions, Inc. |
| Gary Motak | Sales Manager Paving Aftermarket | MOBA Corporation |
| Michael Motl | Parts & Components Territory Manager | McCourt Equipment, Inc. |
| Bryant Mullings | Sales Rep | CWMF Corporation |
| Guadalupe Munoz | Owner | GMJ Paving Company |
| Corby Munsell | Construction Engineer | Freese and Nichols, Inc. |
| Troy Murphy | Sales | Stansteel and Hot Mix Parts & Service |
| Johnny Naylor | Asphalt Manager | Bay, Ltd. |