The Pretax Income (PTI) or Pretax Loss (PTL) for each of the most recent three fiscal years of the two largest corporations or CO-OPs I found, which are headquartered in North Dakota, and which file with the SEC, are shown below.
| PTI(L) | PTI(L) | ||||
| 1 Year | 2 Year | ||||
| PTI(L) | PTI(L) | PTI(L) | % | % | |
| 2011 | 2010 | 2009 | Change | Change | |
| mils $s | mils $s | mils $s | |||
| North Dakota | |||||
| MDU Resources | 336 | 367 | 401 | -8% | -16% |
| Minn-Dakota Farm Coop | 187 | 101 | 96 | 85% | 95% |
