The following partial list includes companies, agencies and police and fire dept dive teams that have been trained by Mark Atherton with material provided in Echoes and Images: The Encyclopedia of Side-Scan and Scanning Sonar.
- FBI Dive Team(s) Virginia, Los Angeles, Miami, New York
- Chicago Police Marine Unit, IL
- Orange County Sheriff Dept.
- Ventura County Sheriff Dept.
- Ottawa Police Dive Team
- Arizona Border Patrol

- Michigan State Police
- Missouri State Water Patrol
- Kern County Sheriff Dive Team
- York Regional Police Dept, ON
- Washtenaw County Sheriff, MI
- US EPA, NJ
- Oceaneering International
- Royal Services & Rentals, Inc., La
- NCS Subsea Survey, TX
- Nautilus Marine Group, LLC., MI
- Agate Construction, NJ
- STS International, WA
- Pro-ROV Services, CA
- Intuitive Technologies, Inc, TN
- Krech Ojard & Associates, MN
- The Hong Kong Institute of Surveyors, Hong Kong
- Ashtead Technology Offshore Division, TX
- CA Dept. of Transportation, CA
- Royal Canadian Mounted Police, BC, ON
- US Bureau of Reclamation
- Ontario Provincial Police
- Kern County Sheriff Dept.
- Niagara Regional Police Dive Team
- Cleveland Fire Dept.
- Merseyside Police, UK
- Northbrook Fire Dept. (IL)
- Marathon County Sheriff Dept, WI
- Peel County Police Dept., ON
- Victoria Water Police, Australia
- Brecksville Fire Dept., OH
- Fugro Chance Inc., Lafayette, La
- T Baker Smith Inc.
- C&C Technologies, Inc., La
- Pickering Corts & Summerson, LLC., PA
- Collins Engineers, Inc., IL
- Offshore Innovative Solutions Inc., La
- Baumgarten, LLC., CO
- Global Diving & Salvage, Inc., WA
- Kongsberg Underwater
- Technologies Inc., TX
- Port of Montreal, Quebec
- JJM Construction Inc., BC
- Kongsberg Maritime, Singapore
- US Navy
- US Air Force

- Long Beach Fire Dept.
- San Bernardo County Sheriff Dept.
- Elk Grove Fire Dept.
- Houston Police Dept.
- Liverpool Police Dive Team (UK)
- Oklahoma City Police Dept of Public Safety
- Pierce County Sheriff Dept Dive Team, WA
- Utah State Police
- New South Wales Water Police, Australia
- Telford Volunteer Dive & Rescue Unit, PA
- Phoenix International
- Cochrane Technologies, Inc., La
- Santa Barbara City College. CA
- Hudson Engineers Inc., NJ
- Georgian Dept. of Transportation, GA
- GeoMarine Technology Ltd., China
- Archirodon Group NV, Greece
- AMI Consulting Engineers Inc., PA
- C.F. Brennan CO., Inc., MI
- The Castle Group, CT
- Civil Engineering and Development Dept., Hong Kong
- Canyon Offshore, TX
- City of Baltimore Fire Dept.
- Grand Traverse County Sheriff
- Door County Sheriff’s Dept.
- Sturgeon Bay Fire Dept.
- Sturgeon Bay Police Dept.
- Clevland Fire Dept.
- Brecksville Fire Dept.
- Wisconsin DNR
- Manistee County Sheriff’s Office
- Long Beach Police Dept.
- Milwaukee Fire Dept.
- Milwaukee Fire Dept. Dive Reserve
- Michigan State Police
- Wayne County Sheriff’s Dept.
- Oakland County Sheriff’s Dept.
- St. Clair County Sheriff’s Dept.
- Detroit Police Dept.
- Ottawa Police Service
- Hennepin County Sheriff’s Dept.
- Carter County Emergency Rescue
- Marion Hill Associates
- Kongsberg Mexico
- Arbor Land Consultants
- Hughes Survey
- DPS-Offshore
- CA Richards & Assoc
- Pickering Corts Engineers
- SeaView Systems
- Dominion Divers.com
- Precon Marine, Inc.
- Ferris State University
