Team Information

Diamond has assembled a nimble and strong team consisting of two extraordinary subcontracting firms. This Team offers the depth and breadth necessary to provide comprehensive IT and organizational support across the NAVSEA community: 

McKean Defense Group, LLC
Lexem Strategy, LLC

Our Team provides an organization of firms with experience serving the NAVSEA customer base and a combined history of supporting various federal government agencies. Below is a summarized description of our sub contractors.

McKean Defense Group, LLC: McKean Defense Group (McKean) is a multi-faceted company committed to the development and application of new technologies and innovative solutions in the public and private sectors. They solve their customers’ mission-critical problems with innovative applications of technology and expertise and provide their customers with unique features of agility, flexibility, and responsiveness with unmatched technical capabilities, to deliver tangible, mission-critical benefits. McKean has developed a reputation for exceeding their customers’ expectations. Their people are empowered to deliver outstanding value and productivity, and strive to go the extra mile for their stakeholders. They are an independent provider of engineering and information technology services and solutions and draw upon a wealth of proven technology and integration options to better serve their customers. Their management team is committed to recruiting, retaining, and developing a diverse team of talented professionals. McKean has built a solid reputation for delivering advanced technology solutions in partnership with their customers and understand the challenges their clients face and believe that success is only achieved when they and their client work as a team. To learn more about McKean Defence Group, LLC, please visit

Lexem Strategy, LLC: Lexem Strategy, LLC (Lexem) helps organizations design and implement Earned Value Management (EVM) and Project Control solutions that meet their project and/or enterprise objectives through cost effective strategies and collaborative team development. Lexem achieves these goals through hands-on implementation support, practical application, and customized training. Lexem’s experienced personnel work with both Federal Agencies and Commercial Firms to effectively support integrated earned value and project management processes and tools throughout the enterprise to help managers mitigate risks and stay on schedule and within cost. In addition, Lexem’s experienced personnel support Agencies in their Office of Management and Budget (OMB) EVM compliance requirements and ensure they get the most value from their EVM processes and tools. To learn more about Lexem Strategy, LLC, please visit