Many of DRM's engagements come from these representative industries:
     |
Aggregate Products | |
| Chemical | ||
| Education | ||
| Electrical Utilities | ||
| Electronics | ||
| Energy | ||
| Food | ||
| Forest Products | ||
| Manufacturing | ||
| Mining | ||
| Natural Gas | ||
| Petroleum | ||
| Pipelines | ||
| Railroad | ||
| Steel Fabrication | ||
| Steel Production | ||
| Telecommunications | ||
| Terminal Facilities and Storage | ||
| Transportation | ||