"Maintaining Harmony Between Man and His Environment". We are a multi-disciplinary firm providing Environmental and Civil Engineering, Laboratory Testing, Geology, Surveying, Construction, Drilling, and Excavation Services. We are 8(a) Certified, Small Disadvantaged Business, HUB Zone, Navajo Nation Priority 1, and AZ/NMDOT-DBE Certified. DUNS No. 11-286-9941