Who We Are
Innovative solutions with broad reach into space, civilian, and defense markets.
Mission Ready
At Entarian, we operate at the intersection of mission systems and execution. We connect space systems, apply data modeling and analysis, and enable secure enterprise and mission environments. From the enterprise to the tactical edge, we deliver the actionable insight and infrastructure solutions decision makers need to act with confidence. Built for speed and accountability, we align the right people and capabilities to solve complex challenges and deliver exceptional performance across the most demanding defense and federal civilian missions.
When missions matter most, we’re all in.
Our History
Our Journey from Inception to Industry Leadership
1993
ERT founded with an initial focus on environmental services.
2001
Core capabilities expand to supporting NOAA and NASA.
2010
Sev1Tech is founded with an initial focus on data center consolidation
2019
Sev1Tech Acquires ESP LLC and Geocent
2021
Awarded $700 million NOAA OMS contract, securing ERT’s position as a leading U.S. federal government services provider.
2025
Focus expands to enhancing delivery for national security space missions.
2026
ERT Acquires Sev1Tech and rebrands as Entarian
Our Mission
We are a team of solution providers with expertise that extends across defense and civilian domains. Delivering on the goals and needs of each client, and guided by the size and scope of each mission, we are uniquely qualified to fuel success.
Our Values
Customer Satisfaction
We are dedicated to delivering the highest quality of performance to our customers.
Respect and Value Our Employees
We rank employee satisfaction and career development among our top priorities.
Continuous Communication
We maintain frequent and open communication with customers to ensure effective and timely responses to their needs.
Always Do What’s Right
We promote a business relationship with our customers and employees based on honesty and strong ethics.
Our Mission
Integrating a full spectrum of engineering, science, and technology services to inform real-world decisions.
Our Values
Customer Satisfaction
We are dedicated to delivering the highest quality of performance to our customers.
Respect and Value Our Employees
We rank employee satisfaction and career development among our top priorities.
Continuous Communication
We maintain frequent and open communication with customers to ensure effective and timely responses to their needs.
Always Do What’s Right
We promote a business relationship with our customers and employees based on honesty and strong ethics.
Where We Are
Entarian, headquartered in Greenbelt, Maryland, has 13 offices across the United States, with staff located in customer offices throughout the country and its territories.
Our Clients
Accreditations
Ambassador WRN Weather Ready Nation
AWS select consulting parter
Quality System Certification – DNV
CMMI-SVC – CMMI for Services Maturity Level 3
ISO 9001 – Quality Management
ISO/IEC 20000 – Service Management
ISO/IEC 27001 – Information Security Management
ISO/IEC 27017 – Security Controls for Cloud Services
CMMC L2 (Self Assed and Currently under External Audit)
