- Employees
- 1001-5000
- Founded
- 1990
- Listing
- For Profit · NYSE:TNS
- Headquarters
- Reston, VA
Company data last updated Jul 31, 2025.
About Transaction Network Services (TNS)
Transaction Network Services (TNS) is a global provider of data communications and interoperability solutions.
Who to contact at Transaction Network Services (TNS)
Email Format
Leadership & Decision Makers
Contact details of 6 Transaction Network Services (TNS) decision makers
Sushant Mohanty
George Zirkel
John J. McDonnell, Jr.
Henry Graham
Matthew Loschert
Mark Cole
Team & Specialists
Contact details of 4 Transaction Network Services (TNS) team members
Comms Clientservices
Mustafa Sinan Cetin
Anna Levin
General Emails
General company emails, e.g. customer support lines
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Records are compiled from publicly available sources and checked as described in our methodology. Company data last updated Jul 31, 2025.
Frequently Asked Questions about Transaction Network Services (TNS)
What does Transaction Network Services (TNS) do?
Transaction Network Services (TNS) is a global provider of data communications and interoperability solutions.
Where is Transaction Network Services (TNS) headquartered?
Transaction Network Services (TNS) is headquartered in Reston, VA.
When was Transaction Network Services (TNS) founded?
Transaction Network Services (TNS) was founded in 1990.
How many employees does Transaction Network Services (TNS) have?
Transaction Network Services (TNS) has approximately 1001-5000 employees.
What industry is Transaction Network Services (TNS) in?
Transaction Network Services (TNS) operates in the Payment Processing industry.
What is the email format for Transaction Network Services (TNS)?
The most common email format at Transaction Network Services (TNS) is {first_letter_first_name}{last_name}@tnsi.com. For example: flastname@tnsi.com.
How do I contact Transaction Network Services (TNS)?
You can contact Transaction Network Services (TNS) via email at financial@tnsi.com or skershaw@tnsi.com, headquartered in Reston, VA.