IT Solutions

Our solution experts are among the
best in the industry, specializing in cutting-edge technology.


Delivering information technology,
training, strategy, operations,
and transformation


Delivering the right staffing
resources when, where, and how
you need them

Why Marathon TS

Marathon TS is a relationship-driven IT professional services firm identifying winning IT solutions for government, government contracting, and commercial clients by leveraging the power of people and technology.


Marathon TS understands that obtaining a challenging position with excellent pay and benefits is paramount. Also important is an enjoyable and fulfilling career experience. This is the reason that Marathon TS created an environment that rewards the performance of world-class IT professionals.

Our Clients

Marathon TS successfully provides services to leading systems integrators and to the federal government — including the Departments of State, Energy, and Homeland Security.

Our Satisfaction Guarantee

“Upon transferring to the DC area, I found Marathon TS to be my number one resource in building a new staff.”

– Gerald Y.

Practice Areas

Custom Application Development


IT Security


Intelligence Analysis

O&M Support

Employee Portal

Our Marathon TS Employee Portal opens up your world through quick and user-friendly access to the people, tools, and resources you need to complete your mission. Connect with other professionals to access and share in-depth information about every aspect of your work and ours. Marathon TS provides clients with world-class IT and professional services, which mean nothing without you.

Marathon Opens Latest Office at CIC in St. Louis

Marathon Opens Latest Office at CIC in St. Louis

Marathon TS, an enterprise IT solutions provider transforming defense and intelligence agencies through cloud-based applications, digital solutions, cybersecurity, and advanced analytics, is expanding its corporate presence in St. Louis with a new office at Cortex...

Marathon TS Opens New Office in Huntsville, AL

Marathon TS Opens New Office in Huntsville, AL

Marathon TS is always excited to expand! For our most recent strategic expansion, our talented team officially cut the ribbon on our brand new offices in Huntsville, AL. We opened the office for several reasons. First and foremost, there is an enormous amount of...

Washington DC Metro

Marathon TS, Inc.
21145 Whitfield Place, Suite 106
Sterling, VA 20165
(703) 230-4200
(703) 230-4203 Fax


Marathon TS, Inc.
357 S. McCaslin Blvd, Suite 100
Louisville, CO 80027
(303) 481-6306
(303) 376-6305 Fax


(678) 360-3110


(484) 932-8801

San Diego

(858) 812-2057