What technologies does JSI use?

JSI uses NetSuite, Sendgrid, Outlook, Microsoft Office 365, Pantheon. View their full technology stack — including all 18 detected tools — on StackWho.

Who is the Vice President Engineering of JSI?

Darryl Cain is the Vice President Engineering at JSI. Get verified contact information on StackWho.

Who is the Vice President of Broadband Network Engineering of JSI?

Milan Todorovic is the Vice President of Broadband Network Engineering at JSI. Get verified contact information on StackWho.

Where is JSI located?

JSI is based in Greenbelt, Maryland, United States.

JSI

Q: What industry is JSI in?

JSI operates in the telecommunications industry.

jsitel.com

telecommunications

jsitel.com

Greenbelt, Maryland, United States

501-1000 employees

12222000 revenue

LinkedIn Profile

About JSI

telecommunications, business strategy, regulatory, financial consulting, broadband, management consulting, strategic planning, engineering, network planning, funding assistance, outside plant engineering, strategic growth, network upgrade, business planning, fiber network design for rural areas, network design and build, community connectivity, financial services, regulatory compliance, regulatory filings

JSI's Tech Stack

Decision Makers at JSI

3 contacts

Darryl Cain

Vice President Engineering

d***@jsitel.com Sign up to view

Milan Todorovic

Vice President of Broadband Network Engineering

m***@jsitel.com Sign up to view

Brian Lindsey

VP of Engineering

b***@jsitel.com Sign up to view

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18 technologies detected · 3 decision makers · Emails available

Sales Outreach Angle

WordPress as a CMS signals a content-driven or SMB digital presence. SEO tools, hosting solutions, and page-builder plugins are natural fits for outreach.

JSI's Position in the StackWho Database

• JSI is 1 of 6,980 telecommunications companies tracked in StackWho.
• 6,918 telecommunications companies in our database have verified decision-maker emails (99% of the cohort).
• 4,819 companies in Maryland are in the StackWho database.
• 187 telecommunications companies are in the 501-1000 employee range (same size as JSI).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated July 2026.

Frequently Asked Questions

What technology does JSI use?

JSI uses NetSuite, Sendgrid, Outlook, Microsoft Office 365, Pantheon, Flywheel, and 12 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at JSI?

StackWho has verified email addresses for 3 decision makers at JSI. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach JSI directly for sales, recruiting, or partnerships.

What industry is JSI in?

JSI operates in the telecommunications industry, headquartered in Greenbelt, Maryland, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export JSI's contact data?

Yes. StackWho Pro members can export decision maker contact data for JSI and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.