Billings Divers 11 E Airport Rd Liquid Engineering Corporation provides a complete range of specialized water tank inspection services to clients throughout the country. Over the past decade and a half, LEC has served more than 20,000 public and private water clients in 49 states. Billings MT Divers Liquid Engineering Corp www.liquidengineering.com Water tank inspection water tank cleaning drinking water AWWA underwater tank inspection underwater tank cleaning remotely operated vehicles ROV paint inspection coating inspection corrosion control fire protection inspection non-destru Water tank inspection water tank cleaning drinking water AWWA underwater tank inspection underwater tank cleaning remotely operated vehicles ROV paint inspection coating inspection corrosion control fire protection inspection non-destru Business Reviews Liquid Engineering Corp Testimonials