Systems Engineering Associates Corporation (SEA CORP) is a veteran-owned business based in Middletown, RI. Founded in 1981, we have been providing services to the Navy for over 35 years.

SEA CORP has enjoyed steady, planned growth for over three decades. During this time, SEA CORP has become the second largest contractor to the Naval Undersea Warfare Center in Newport. We have enjoyed high personnel retention, due in large part to a combination of excellent benefits as well as enabling employees to move around within the organization in an effort to increase their breadth of knowledge and experience to grow within the organization. Our strength lies in our highly professional personnel and their ability to exceed customer expectations.

SEA CORP has grown to employ over 400 people, who are located across our 3 Middletown offices, our two Groton facilities, and on-site locations including NUWC Division Newport, Fairfax, Virginia, and Manassas, Virginia.

SEA CORP has been fully certified by NQA to the ISO 9001:2015 Quality Management System standards and is also Capability Maturity Modeling Integration (CMMI) Level II certified. For more information on our QMS, click here.

Corporate Officers

Brian Gilligan co-founded SEA CORP in 1981 and became sole shareholder in 1996. Prior to forming SEA CORP, Mr. Gilligan held the position of Electronics Engineer for the Naval Underwater Systems Center (now Naval Undersea Warfare Center) in Newport, Rhode Island from 1977 to 1981. Prior to his engineering position at NUWC, Mr. Gilligan served as a Communications Technician in the U.S. Navy from 1965 to 1969. He received a Bachelor of Science degree in Electrical Engineering from Boston University’s College of Engineering in 1977 and holds a Master in Business Administration from the University of Massachusetts. As CEO and Chairman, Brian sets policy and corporate guidelines.

Dave Lussier has 35 years of experience in technical, financial, management, and programmatic administration of Navy contracting projects. His career highlights include employment at General Electric where he spent five years working on SSBN/SSN programs as a young field engineer. Dave then worked at EG&G for six years on SSN programs focused on T&E of combat systems and launchers. For the last 25 years, Dave has been at SEA CORP serving in both senior technical and senior management capacities. Although never active duty Navy, Dave is grateful for having had the privilege to spend many days at sea on various submarines focusing on operational testing related to torpedo, missile, sonar, fire control, navigation, launcher and minefield systems. Dave also enjoyed two runs to the North Pole in support of the US Navy’s Arctic exercises.

Dave takes deep pride in SEA CORP’s Quality Policy which is to “provide responsive and leading-edge solutions to our customers’ requirements.” He has seen SEA CORP grow from a relatively small business to a mid-sized company. Along the way, Dave has helped shape company policies and practices to deliver superior services while remaining compliant with contracting regulations as well as being a winning organization in a very competitive environment.

As President of SEA CORP, Dave cares deeply about the most significant resources of SEA CORP; the employees. He continues to support and shape a robust menu of personnel benefits and corporate infrastructure motivating the innovative staff to perform at their highest levels. In his spare time, Dave is a seasoned racquetball player and an avid multihull sailor.

Dave Cadorette has over 30 years of program management, software development, and test and evaluation experience. Dave earned his Master of Science in Information Systems from Northeastern University in 1997 and holds a Bachelor of Science Degree in Mathematics from Bridgewater State College. He began his career working for the Naval Undersea Warfare Center in Newport, where he was responsible for test and evaluation of Submarine Combat Systems and development of interfaces for the Virginia Class Submarine for over 12 years. Before joining SEA CORP, Dave left the DoD industry for a brief period to work as a software engineer at the Foxboro Company, where he was responsible for product development.

Dave joined SEA CORP in 1999 as a Business Area Manager, leading a group of software and systems engineers and technicians who worked on a variety of programs and systems for various customer bases. He has since filled the roles of Vice President of Technical Operations, Vice President of Business Development and most recently, Senior Vice President. Dave's laid back management approach has enabled him to build strong relationships with his employees, who in turn "go the extra mile" to ensure excellent services and products are delivered to customers. As Senior Vice President of SEA CORP, Dave strives to maintain a positive work environment while providing exceptional services to the U.S. Navy. In his free time, Dave enjoys playing golf and being involved with his children's sports.

Craig McMillian brings 34 years of experience in technical, financial management and program management of Navy programs to the SEA CORP Team. He began his electrical engineering career at the Naval Underwater Systems Center (NUSC) in New London, CT, where he focused on Electronic Warfare systems within the Electromagnetics Department (Code 34). This lead to an opportunity to bring his skills to the Space and Naval Warfare (SPAWAR) System Command (formerly NAVALEX) in Crystal City, VA. While at SPAWAR, Craig spent 12 years in the Submarine Communications Program Office, PEO C4I, where he was an Assistant Program Manager responsible for the research, design, development, production and Life cycle support of all Submarine Antenna systems. In the summer of 1996, Craig returned to the Submarine Electromagnetics Systems Department (Code 34) at the Naval Undersea Warfare Center in Newport, RI, where he continued as the Program Manager for Submarine antennas. In 2003, Craig became the Electromagnetic Systems Deputy Department Head and stayed in that position until his retirement in 2016. Over his 34 years of Navy Civilian service, Craig honed his technical, program management, and executive leadership skills. He now brings that knowledge and expertise to SEA CORP.

As Senior Vice President at SEA CORP, Craig strives to provide our customers with the best technical products, services, and solutions to meet the needs of the warfighter. Craig takes pride in the knowledge, skills and abilities of his Business Area Managers, Task Managers and engineering/support team. Their collective goal is to deliver quality products and services to the Navy and to always maintain customer focus.