For large and/or hazardous tree removals we use a crane. If the tree has a very tight drop zone, or if the tree is very dead are a couple examples of why crane use is advantageous. Below are pictures of some removals we recently did with cranes.
Ash removals, Gladwyne 
Oak removal, Bryn Mawr 
Several removals, Villanova 
Poplars and Beech, Havertown 
Drexel Hill 
Spruce removal, Ardmore 
Spruce removals, Ardmore 
Storm damage removals, Villanova 
Ash Removals, Broomall 
Ash Removals, Broomall 
Ash Removals, Broomall 
Ash Removals, Broomall 
Ash Removals, Broomall 
Oak Removal, Bryn Mawr 
Several removals, Havertown Apartment complex 
Hemlock Removal, Havertown 
Havertown 
Havertown 
Remove Norway Maple & Hemlock, Havertown 
Havertown 
Havertown 
Havertown 
Walnut removals, Haverford 
Havertown 
Poplar and Beech, Havertown 
Poplar removal, Havertown 
Poplar removals, Havertown 
Hemlock removal, Wynnewood 
Wynnewood 
Walnut, Wynnewood 
Walnut removal, Wynnewood 
Ardmore 
Bryn Mawr 
Maple removal, Bryn Mawr 
Oak Removal, Haverford 
Walnut removal, Haverford 
Havertown 
Marple 
Havertown 
Newtown Square 
Newtown Square 
Maple removal, Wynnewood 
Wynnewood 
Pine removal, Wynnewood 
Oak removal, Haverford 
Haverford 
Wynnewood 
Wynnewood 
Ash removal, Wynnewood 
Ash removal, Wynnewood 
Pine removal, Wynnewood 
Wynnewood 
Poplar removal, Wynnewood 
Wynnewood 
Wynnewood 
Haverford