E4A Solutions LLC is the representative of TreeTech Digital Systems products for North America, Central America, Caribbean and Venezuela.

Treetech Digital Systems is a company specialized in electric power substation asset management It is based on proprietary technology which is innovative at an international level, the company developed state of the art intelligent sensors integrated to the Sigma computer platform. Complemented by the SAM (Smart Asset Management) technical consultancy, the complete solution by Treetech provides technical support to the operating and administrative decisions made by the clients.