
ADDX Corporation
Alexandria, VATenacious by Nature
Service detail: Engineering Readiness and Lifecycle Support
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Tenacious by Nature
Service detail: Engineering Readiness and Lifecycle Support
We Make Building Projects a Better Value
Project: Bay Pines VA Medical Center, Electronic Health Records Modernization
ATCSI LLC delivers specialized services and technical solutions in air traffic control systems integration, shipboard systems, manned and unmanned air systems, and air traffic control procedures and policy development. It provides program management, task-based curriculum development, technical training, information analysis, digital data services, systems engineering, and strategic project planning. With a workforce of subject matter experts, the team supports complex aerospace, defense, and maritime programs.
Project: Naval Air Traffic Management Program Support

We Help You Meet the Challenge of Rapidly Changing Technologies in Today's Complex Environment
Service detail: Engineering Services

Advanced Engineering Consultants specializes in providing mechanical, electrical, plumbing, fire protection, technology, and utilities engineering design and construction administration services for the built environment. Established in 1998, the practice works collaboratively with owners, architects, and contractors across the Midwest, the nation, and globally. It has completed nearly 2,000 projects across diverse sectors including government, healthcare, education, and commercial markets.
Project: Columbus Division of Police Crime Laboratory Renovation
Pioneering the Past. Innovating the Future.
Project: World Shale Gas and Shale Oil Resource Assessment
Integrated Facility Maintenance Services
Service detail: Base Operations

Committed to Excellence
Project: Predictive Logistics Implementation
Built for speed. Engineered to deliver.
Project: Missile Defense Agency SHIELD IDIQ
Trusted Service - Proven Results
Project: Department of State Passport Processing Operations

Advancing the Future Together
Project: Fukushima Cleanup

Providing unique multi-disciplinary engineering solutions
Project: Post-Fukushima Safe Shutdown and Restart Support
Astute Engineering, PLLC delivers comprehensive electrical engineering, power distribution design, system studies, and field services. Operating across Virginia, Maryland, Washington DC, and surrounding regions, the practice supports projects from initial feasibility and schematic phases through final installation, testing, commissioning, and commercial operations.
Project: DC Water Blue Plains Wastewater Treatment Plant

Planning, Architecture, and Engineering for America's Veteran Healthcare System
Project: Boise Dental Clinic
Building Freedom's Team
Service detail: Engineering and Technical Support

Meeting Client Challenges with Vision and Innovation
Service detail: Defense Industrial Base Support
Services and Solutions Optimized for Mission Success
Project: U.S. Army Office of Energy Initiatives (OEI) Project Support

Solutions. Integrity. Results.
Project: Shared Early Warning System (SEWS) Operations & Maintenance
Information Technology Consulting
Service detail: Systems and Software Engineering

Innovative, high quality, and responsive engineering solutions
Project: MD 180 / MD 351 Highway Improvements

Innovative Excellence
Service detail: Enterprise Architecture and Systems Engineering
Tailoring Energy Infrastructure for Your Complex Operations
Service detail: Energy Savings Performance Contracting (ESPC)

A Data Driven Company
Project: NOAA Radar Operations Center Mission Support Services
End-to-End Life Cycle Solutions for Defense and Federal Networks
Project: AN/USQ-82(V) Data Multiplex System (xDMS) Engineering Support