Marathon TS - Winning IT Solutions
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Marathon TS is an Information Technology and Professional Services Firm that delivers "Winning Solutions" to its clients.

About Us

Marathon TS is a WBENC Certified Woman-Owned, SBA Certified HUBZone Small Business. Marathon TS was founded in 2009 by IT professionals with a proven record of success building IT services companies. Our management team has been together for more than twenty (20) years. In 2014, Marathon TS was recognized by INC. 500 as the 8th fastest‑growing Woman Owned business in America.

Marathon TS provides Information Technology, Training, Strategy, Operations, Transformation, and Mission Support services to commercial and government clients to support enterprise mission objectives. As a Prime Contractor, we have successfully provided services to the U.S. Federal Government, including the Department of State, the Department of Energy, and the United States Navy. We have also successfully provided services to leading Systems Integrators including IBM, BAE, Lockheed Martin, Sotera, and Hewlett Packard, and to some of the world's largest and best known companies, including Verizon and

Our Credo

Marathon TS' credo is simple: "Deliver quality services in a professional manner to the client's full satisfaction." As a market-driven company with ambitious objectives, Marathon TS is well motivated and intensely focused on producing results for our clients.

Why Marathon TS

Clients select Marathon TS as their service provider because they have discovered for themselves or heard from others that we produce results. It is really that simple.


Marathon TS is lead by an experienced management team with an impressive record of success building IT Services companies. Each member of our management team has more than 25 years of experience in the IT industry. Our business methodology for providing IT services is based on the "Best Practices" developed by our management team during a lifetime spent delivering results that create superior value for clients.

We are Relationship Driven

Marathon TS believes that the key to our success depends on building and maintaining strong relationships with our clients that are based on mutual trust, responsiveness, accountability, and customer satisfaction. Our goal is to understand our clients business as well as we understand our own. It is our responsibility to know our clients industry and the business challenges they face. At Marathon TS, we are committed to our clients success and that means being available 24 x 7.

Client Service and Integrity

Marathon TS is committed to providing IT services to the "full satisfaction" of our clients. This means that we listen to our clients and follow through with our commitments and we perform all of our functions, from account management and recruiting to back office processing, with intense focus and determination to achieve a high level of client satisfaction.


Latest News
Marathon TS awarded contract by the U.S. House of Representatives for Network and Exchange Server Administration
(10 September 2016)

Marathon TS is recognized by the Inc-5000 for 3rd consecutive year
(1 August 2016)

Virginia Chamber of Commerce Names Marathon TS to the 2015 Fantastic 50 as the Fastest Growing Technology Firm in Virginia
(30 April 2015)

Marathon TS awarded contract by the U.S. Air Force to provide IT Support Services
(23 February 2015)

Marathon TS promotes Kevin Davis to Vice President and General Manager
(4 January 2015)

Marathon TS awarded contract by U.S. Department of Land Management (USDLM)
(22 December 2014)

Marathon TS receives ISO 9001:2008 Certification
(11 November 2014)

Marathon TS recognized by INC. 500 as the 8th fastest‑growing Woman Owned Business in America.
(13 August 2014)

U.S. Navy awards Marathon TS 5-Year option on SeaPort-e IDIQ
(19 May 2014)

Corporate Summary
Leadership Team:
Pamela K. Siek, CEO
Mark T. Krial, President
Alan R. Siek, Executive Vice President
Kevin Davis, Vice President and GM CSG
Company Details:
Founded 2009
WBENC Certified Woman-Owned
SBA Certified HUBZone
DUNS: 832258086
Office Locations:
Sterling, VA
Kilmarnock, VA
San Diego, CA
Golden, CO
Royerford, PA
Key Qualifications:
Prime Contractor to the U.S. Federal Government:
- Department of State (DoS)
- Department of Energy (DOE)
- U.S. Navy Seaport-e
GSA Schedule IT-70 Prime Contractor
Subcontractor currently supporting these large-scale federal programs:
- FEMA Risk Map
DCAA Approved Accounting System
Multi-Disciplinary Professional Staff. Certifications include PMP, Six Sigma, ITIL v3, CISSP, MCSE, A+, Security+, and Network+

2014 INC. 500 Honoree - 8th Fastest‑Growing
Woman Owned Company in America

Marathon TS, Inc.
(703) 230-4200
(888) 687-4946
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