US Navy Approval

US Army Corp of Engineers

Unicom

Potomac Electric

MT Fandango

MS Doulos

Ingersoll-Rand

Germanischer Lloyd

El-tech

Allweiler

Stanford University

Royal Navy Prime Contractor

MV Komet, Hamilton Jet Propeller

Mid-State Machine & Fabrication Corporation

Hamburger Technik Handel (Germany)

Department of the Navy

Boston Edison

Beltship Management Limited

Army Corps of Engineers

ABS Europe LTD