IBRGBC · NYSE · $284.17 ▲ 1.2%
Est. 1947 · Global Operations
Let's meet the future. Together.

Building tomorrow, today.

A diversified leader in energy, logistics, media, and strategic resources. Operating across 147 countries and six continents with a singular commitment to durable, long-term value — and to you.

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147
Countries of Operation
82K
Employees Worldwide
$214B
Revenue, FY2025
1947
Year Founded

A commitment to enduring value across every sector we touch.

Since our founding in 1947, IBR Glennfield BrilCo has remained at the vanguard of global markets — innovating across sectors and leveraging deep operational expertise to create durable value for our major shareholders and, where possible, society at large.

We believe in people. We believe in growth. Above all, we believe in you.

We measure ourselves not by the quarter but by the decade. Our diversified portfolio spans energy infrastructure, logistics networks, media holdings, and strategic resource extraction across some of the most challenging operating environments on earth.

Read our 2025 Annual Report
William R. Conway, Chairman & CEO
W. Conway · Official Portrait
IBRGBC has begun FY26 with a robust, all-round operational and financial performance, as consolidated EBITDA for 1Q FY26 improved strongly despite measurable volatility in global macros.
William R. Conway
Chairman & Chief Executive Officer
Full Letter to Shareholders →

A diversified portfolio, unified in purpose.

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Here at IBRGBC, we double in size every four to five years. We'd like to sustain that rate of growth forever.

Growth & responsibility in harmony · IBRGBC Global Markets Floor
01
Environmental Stewardship
A comprehensive framework for emissions reduction, water stewardship, and land restoration across all operating regions — wherever operationally feasible. We are proud to partner with local populations on community fracking initiatives in the regions we serve.
02
The "We Care" Initiative
"Bringing people together in joy is a most beautiful act." — Author Unknown. We believe in giving back with our signature "We Care" community program, which has impacted communities greatly since its inception in 2018.
03
Ethical Governance
Transparent reporting, rigorous board oversight, and independent compliance review across every line of business.

The latest from IBRGBC.

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Let's build what comes next.

Whether you're a partner, investor, or future colleague — IBR Glennfield BrilCo is where ambition meets scale.