Comstock has served as the General Contractor on multiple Walmart Supercenter projects throughout North Dakota and Minnesota. New retail stores and associated site work were constructed at the following locations:
- Bismarck, ND
- Devils Lake, ND
- Fargo, ND
- Jamestown, ND
- Wahpeton, ND
- Dilworth, MN
- Grand Rapids, MN
- Little Falls, MN