About us. ECHO Energy LLC is a company in Thurston County where we do 90% of our work. The other 10% is in neighboring counties. Our shop is located in Tumwater. We are fast-paced, challenging, customer-centric and our goal is to create 2 full time crews to keep up with business demand. Working for us is not as fast paced as some of our competitors and does not come with the same performance expectations. We work right at 40 hours per week with o...