McMullan & Associates, Inc. engineers through their membership of the National Council of Examiners for Engineering and Surveying (NCEES) can obtain professional licensing and registration throughout the United States. Currently, M&A engineers hold professional licenses and registration in the following states:
| Alabama |
Indiana |
Missouri |
Pennsylvania |
| Colorado |
Kansas |
Nebraska |
South Carolina |
| Connecticut |
Kentucky |
New Jersey |
Tennessee |
| Delaware |
Maine |
New Mexico |
Vermont |
| District of Columbia |
Maryland |
New York |
Virginia |
| Florida |
Massachusetts |
North Carolina |
West Virginia |
| Georgia |
Michigan |
Ohio |
|
| Illinois |
Minnesota |
Oklahoma |
|
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