As Certified Arborists, At ER, we specialize in tree services and tree maintenance for both Commercial and Residential. Trimming and removing trees in difficult to reach spaces is a dangerous task, so if you have damaged or dead wood to remove, branches hanging over your house or garage, a dead tree threatening to fall or if you just want to shape up your favorite tree, give us a call today. Our certified arborists will provide you with a professional assessment with a FREE estimates.