Company profile
JSI
Partnering with providers to build resilient, high-performance networks that power connected communities.
- Industry
- Telecommunications
- Employees
- 549
- Headquarters
- Greenbelt, Maryland
- Founded
- 1962
- LinkedIn followers
- 12,004
- Office locations
- 16
JSI company summary
JSI is a company in the Telecommunications industry, headquartered in Greenbelt, Maryland, founded in 1962. On LinkedIn the company has around 549 employees and 12,004 followers. The company lists 16 office locations.
What technology does JSI use?
No technologies detected yet. Warmrank rechecks company websites on a rolling basis.
About JSI
JSI is a national leader in next-generation digital solutions, empowering providers to build, scale, and optimize high-performance networks. Backed by over 60 years of experience, we deliver end-to-end engineering, consulting, operational, and compliance services designed for a rapidly evolving digital world. Our consultative approach blends technical expertise with future-focused strategy by supporting everything from infrastructure design and deployment to regulatory compliance and 24/7 support. Committed to community growth and long-term impact, JSI partners with broadband providers to expand access, strengthen operations, and lead in an increasingly connected future.
Where is JSI located?
JSI lists 16 office locations.
Compare companies similar to JSI
More companies in Telecommunications.
| Company | Industry | Employees | Founded | Headquarters |
|---|---|---|---|---|
JSI jsitel.com | Telecommunications | 549 | 1962 | Greenbelt, Maryland |
 Huawei huawei.com | Telecommunications | 140,916 | - | Shenzhen, Guangdong |
 Ericsson ericsson.com | Telecommunications | 107,360 | 1876 | Kista, Stockholm, SE |
 Nokia nokia.com | Telecommunications | 101,274 | - | Espoo, Southern Finland |
 airtel airtel.com | Telecommunications | 100,086 | - | Gurgaon, Haryana |
 Jio jio.com | Telecommunications | 100,232 | 2010 | Navi Mumbai, Maharashtra |
 AT&T att.com | Telecommunications | 194,600 | - | Dallas, TX |
 Vivo (Telefônica Brasil) vivo.com.br | Telecommunications | 40,850 | 1998 | São Paulo, SP |
 stc stc.com.sa | Telecommunications | 18,282 | 1998 | Riyadh, Riyadh |
 Orange orange.com | Telecommunications | 147,006 | - | Issy-les-Moulineaux, Île-de-France |
 Claro Brasil claro.com.br | Telecommunications | 43,506 | - | São Paulo, SP |
Frequently asked questions about JSI
What does JSI do?
JSI is a national leader in next-generation digital solutions, empowering providers to build, scale, and optimize high-performance networks. Backed by over 60 years of experience, we deliver end-to-end engineering, consulting, operational, and compliance services designed for a rapidly evolving digital world. Our consultative approach blends technical expertise with future-focused strategy by supporting everything from infrastructure design and deployment to regulatory compliance and 24/7 support. Committed to community growth and long-term impact, JSI partners with broadband providers to expand access, strengthen operations, and lead in an increasingly connected future.
How many employees does JSI have?
JSI has around 549 employees on LinkedIn.
Where is JSI headquartered?
JSI is headquartered in Greenbelt, Maryland.
Where does JSI have offices?
JSI lists 16 office locations, including Greenbelt, Maryland, US; Anchorage, Alaska, US; Austin, Texas, US; Barron, Wisconsin, US; Bluffs, Illinois, US.
When was JSI founded?
JSI was founded in 1962.
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