Gears, Inc and PEI have been involved in mixing and mixing/placing cement treated base on the following projects.
| Project: | Capitol City Airport |
| Location: | Lansing, MI USA |
| Owner: | Capitol City Airport |
| Engineer: | Michigan Dept of Transportation |
| Contractor: | Pappas Brothers Construction |
| Construction: | June, 2001 - July, 2001 |
| Tons Mixed: | 5,211 |
| Description: | Mixed Cement treated base for the replacement of the Runway apron at the capitol city airport |