What are some examples of the types of boats which inhabit the various groups in the tug and barge industry?

   # Generators VAC Operating Loads (kW)
Ocean Towing / AT/B Tugs  3-5 460 100-500
Harbor Tugs  2-3 460 65-125
Escort Tugs  2-3 460 100-200
River Towboats  2-3 460 100-250
River Switchboats  1-2 220 2-60
Self-Unloading Bulk Barges  3-6 460-600 100-3000
Large Ocean Tank Barges  3-6 460-600 100-3000
Small Ocean Tank Barges  3-6 460-600 100-150
River Tank Barges  2-3 220-460 20-100
Dredge Tenders  1-2 220 20-50
AT/B PSVs  1-6 460-600 100-1200
Ocean Container Barges  1-4   100-1600
Large Ocean Shuttle Tank Barges  3-6 460-600 100-3000