Associated Underwater Services

Associated Underwater Services, Inc. (AUS Diving) is a commercial diving and underwater construction contractor established in 2002. The company is based in Washington State and supports projects across the Pacific Northwest and throughout the United States. AUS provides on-call, emergency, and planned diving services for public agencies, utilities, and private clients.

AUS specializes in underwater inspection, maintenance, repair, and construction. Core services include dam and hydroelectric facility support, potable water tank inspections and cleaning, wastewater and outfall work, underwater welding and rigging, debris removal, and ROV inspections and surveys. The team operates in challenging environments, including low visibility, high current, confined spaces, and remote project locations.

Safety drives all operations. AUS maintains strict compliance with Association of Diving Contractors International standards, OSHA commercial diving regulations, and applicable state and federal requirements. The company maintains a strong safety record, with a focus on incident prevention, trained personnel, and disciplined field execution.

AUS is a certified women-owned business and holds multiple public agency certifications. The company maintains long-term service agreements with utilities and municipalities, supporting critical infrastructure such as dams, pipelines, and water systems. Clients rely on AUS for responsive service, technical capability, and consistent project delivery.