About JSI
JSI is a Telecom company, headquartered in Greenbelt, with 501 - 1,000 employees and annual revenue of $5M - $20M.
As trailblazers in the industry, our team of engineering and consulting experts are prepared to craft and implement a broadband solution tailored to your specific needs. JSI can assist with designing and operating broadband networks, funding applications, forecasting, competitive pricing, mapping, f...
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JSI Company Highlights
Phone Number
(301) 459-xxxx
Corporate Office Address
7852 Walker Drive
Greenbelt, 20770
Website
JSI Org
JSI has 27 C-Level, 18 VP, 38 Director, 71 Manager, 29 Senior, and 317 Other employees.
JSI Decision Makers
- CEODavid Makuen
- CFOKarl Halteman
JSI's Tech Stack
Frequently Asked Questions About
JSI
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Who is the CEO of JSI?
The CEO of JSI is David Makuen. See full contact details ›
Who is the CFO of JSI?
The CFO of JSI is Karl Halteman. See full contact details ›
How many senior employees does JSI have?
JSI has 183 senior employees that are typically used for decision making.
Who are the key decision makers at JSI?
Key decision makers at JSI include David Makuen (CEO) and Karl Halteman (CFO). See full contact details ›
What technologies does JSI use?
JSI uses technologies including Act-On, AddThis, and Adobe.
How do I contact JSI?
To contact JSI, visit jsitel.com.
What companies are similar to JSI?
Companies similar to JSI include Rise Broadband, ARG, and Inseego Corp..
Where is JSI headquartered?
JSI is headquartered at 7852 Walker Drive, Greenbelt.
What is the main phone number for JSI?
The main phone number for JSI is (301) 459-xxxx.
What is the official website for JSI?
The official website for JSI is jsitel.com.
What is the annual revenue of JSI?
The annual revenue of JSI is $5M - $20M.
How many employees does JSI have?
JSI has 501 - 1,000 employees.
What industry is JSI in?
JSI is in the Telecom industry.
Last updated: June 19, 2025