The Obama administration has shifted away from the dramatic workplace raids that were a hallmark of the Bush administration's enforcement strategy.
I remember some statistics that showed something like four companies being warned or served papers in one year under the Bush administration. I not sure if anything ever came of it.
Here it is;
Notices of intent to fine employers:
1997: 865
1999: 417
2000: 178
2001: 100
2003: 162
2004: 3
http://www.vdare.com/rubenstein/051101_nd.htm