The Delta Consulting Group, LLC. Share: EnvironmentalEnergy Production The Delta Consulting Group, LLC. Visit Website 7 Stoneway Lynnfield, MA 01940 774-217-9905 About Map About We provide outsource CFO level services to companies in need of that level of expertise but not able to support a full time position that in their current operation. What's Nearby? Distance: 5 10 15 20 25 50 mi.