OK, so if I open up the ISO, I see a few RPMs:
kernel-source-350.2.4.21-57.EL.137613.i386.rpm
kernel-vmnix-350.2.4.21-57.EL.137613.i686.rpm
VMware-esx-drivers-net-igb-350.1.3.8.6.3-73033.i386.rpm
vmware-hwdata-1.00-13vmw.noarch.rpm
I assume I only need to worry about the igb one. The contents of it look like this:
C:\dir>dir /b /s
C:\dir\etc
C:\dir\usr
C:\dir\etc\vmware
C:\dir\etc\vmware\pciid
C:\dir\etc\vmware\pciid\igb.xml
C:\dir\usr\lib
C:\dir\usr\share
C:\dir\usr\lib\vmware
C:\dir\usr\lib\vmware-debug
C:\dir\usr\lib\vmware\vmkmod
C:\dir\usr\lib\vmware\vmkmod\igb.o
C:\dir\usr\lib\vmware-debug\vmkmod
C:\dir\usr\lib\vmware-debug\vmkmod\igb.o
C:\dir\usr\share\doc
C:\dir\usr\share\doc\VMware-esx-drivers-net-igb-1.3.8.6.3
C:\dir\usr\share\doc\VMware-esx-drivers-net-igb-1.3.8.6.3\COPYING
C:\dir\usr\share\doc\VMware-esx-drivers-net-igb-1.3.8.6.3\file.list
C:\dir\usr\share\doc\VMware-esx-drivers-net-igb-1.3.8.6.3\README