- Bourne Consulting Engineers
- Childs Engineering Corp
- Coastal Marine & Diving Inc
- Coastal Marine Sciences Inc
- Crandall Dry Dock Engineers
- David W Coder
- Eg & G
- Fair Haven Enterprises Inc
- Heger Dry Dock Engineers Inc
- Hydrographic Surveys
- J & B Enterprises
- J & B Enterprises
- Jensen & Assoc
- John J Mc Mullen Assoc
- LGA Engineering Inc
- MAR Inc
- Marine Response Consultants
- Marine Systems
- Maritech Inc
- Maritech LLC
- Maritime Applied Physics Corp
- Maritime Dynamics Inc
- MCR Engineering
- Protec Inc
- S T Hudson Engineers Inc
- Vine Associates
- Vine Associates
- Wilson-Walton Intl Inc
