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Iridium Communications

66-satellite LEO constellation providing global voice + data + IoT. Major DoD customer via Enhanced Mobile Satellite Services (EMSS) Gateway $738M contract. Second-source PNT for GPS-denied environments.

$IRDMMcLean, VA700iridium.com

IndustriesDefense Space

Frequently asked questions

What does Iridium Communications do?

Iridium Communications (IRDM) is a Communication Services company. 66-satellite LEO constellation providing global voice + data + IoT. Major DoD customer via Enhanced Mobile Satellite Services (EMSS) Gateway $738M contract. Second-source PNT for GPS-denied environments. It was founded in 2001, is headquartered in McLean, VA and employs about 700 people.

How does Iridium Communications make money?

As of 2026-Q1, Iridium Communications's revenue breaks down across Service (72%), Engineering and Support Services (19%), Subscription and Circulation (9%). See the revenue-by-segment chart for the full mix.

How has Iridium Communications's revenue and profitability trended?

Track Iridium Communications's quarterly and annual revenue, gross and net margins, and EPS in the interactive charts on this page. Data last updated October 3, 2026.

Who are Iridium Communications's main competitors?

Sterling groups Iridium Communications in the Defense industry, alongside Lockheed Martin (LMT), RTX Corporation (RTX), Northrop Grumman (NOC), General Dynamics (GD), Boeing Defense (BA) and L3Harris Technologies (LHX). Sterling also tracks it in the Space industry.

If I'm investing in Iridium Communications, what similar companies should I consider?

If you are researching Iridium Communications, also look at Lockheed Martin (LMT), RTX Corporation (RTX) and Northrop Grumman (NOC). You can compare all of them side by side or browse the full Defense industry on Sterling.

Ask Sterling

Iridium Communications

Frequently asked questions

What does Iridium Communications do?

How does Iridium Communications make money?

How has Iridium Communications's revenue and profitability trended?

Who are Iridium Communications's main competitors?

If I'm investing in Iridium Communications, what similar companies should I consider?

Revenue Flow

Balance Sheet

Cash Flow

Iridium Communications

Frequently asked questions

What does Iridium Communications do?

How does Iridium Communications make money?

How has Iridium Communications's revenue and profitability trended?

Who are Iridium Communications's main competitors?

If I'm investing in Iridium Communications, what similar companies should I consider?

Revenue Breakdown

Revenue Flow

Balance Sheet

Cash Flow

Revenue Breakdown