34 people are employed at Northrup Grummond.
Northrup Grummond is based in Madison, Wisconsin.
The NAICS codes for Northrup Grummond are [33641, 335, 3364, 3353, 33531, 336, 336413, 335314, 33].
The SIC codes for Northrup Grummond are [381, 38, 372, 3812, 37, 3721].