Business Description

Kirby Corporation, founded in 1917 and headquartered in Houston, Texas, is the largest inland tank barge operator in the United States, specializing in on-hire transportation of petroleum products and chemicals. Under the leadership of CEO Kevin Reilly since 2016, the company leverages an extensive and modern fleet to serve major energy and chemical clients. With a market share of about 30% in its niche, Kirby’s combination of long-term contracts and integrated logistics solutions provides a competitive edge. The firm is actively modernizing its fleet and digital operations to support future growth amid a dynamic regulatory and economic environment.

Everything on Kirby Corporation

Revenue (FY2025) $3.36B
YoY growth +3.0%
Operating margin 14.8%
Direction Expanding
Gross margin 34.1%
Net margin 10.6%

Earnings Transcripts

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Leadership & board

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Richard J. Alario — Chairman of the Board (Independent Director) View full profile ↗ Tracy A. Embree — Director (Independent) View full profile ↗ David W. Grzebinski — Chief Executive Officer and Director View full profile ↗ Tanya S. Beder — Director (Independent); Chair of the Audit Committee View full profile ↗ Barry E. Davis — Director (Independent); Chair of the Compensation Committee View full profile ↗ Susan W. Dio — Director (Independent) View full profile ↗ Anne-Marie N. Ainsworth — Director (Independent); Chair of the ESG and Nominating Committee View full profile ↗ William M. Waterman — Director (Independent) View full profile ↗ Shawn D. Williams — Director (Independent) View full profile ↗ Raj Kumar — Executive Vice President and Chief Financial Officer View full profile ↗ Christian G. O'Neil — President and Chief Operating Officer View full profile ↗ Amy D. Husted — Executive Vice President, General Counsel and Secretary View full profile ↗ Scott P. Miller — Vice President and Chief Information Officer View full profile ↗
Kirby Corporation acquires Stewart & Stevenson LLC — Distribution and services · 2017 View full deal ↗ Kirby Corporation acquires K-Sea Transportation Partners L.P. — Marine transportation (coastal) · 2011 View full deal ↗ Kirby Corporation acquires Higman Marine, Inc. — Marine transportation (inland) · 2018 View full deal ↗ Kirby Corporation acquires Penn Maritime Inc. and Maritime Investments LLC — Marine transportation (coastal) · 2012 View full deal ↗ Kirby Corporation acquires Savage Inland Marine, LLC (fleet) — Marine transportation (inland) · 2020 View full deal ↗ Kirby Corporation acquires United Holdings LLC — Distribution and services · 2011 View full deal ↗ Kirby Corporation acquires Cenac Marine Services, LLC (fleet) — Marine transportation (inland) · 2019 View full deal ↗ Kirby Corporation acquires Allied Transportation Company — Marine transportation (coastal) · 2012 View full deal ↗ Kirby Corporation acquires Global Power Holding Company (Global Power Systems, L.L.C.) — Diesel engine services · 2006 View full deal ↗ Kirby Corporation acquires Convoy Servicing Company and Agility Fleet Services, LLC — Distribution and services · 2020 View full deal ↗ Kirby Corporation acquires Targa Resources Corp. inland tank barge business — Marine transportation (inland) · 2018 View full deal ↗ Kirby Corporation acquires Dixie Carriers, Inc. — Marine Transportation View full deal ↗

Share Repurchase Program

Remaining (FY2025 (year ended December 31, 2025))
Approximately 7.0 million shares available under existing purchase authorizations as of February 13, 2026
Latest FY repurchased
$354.2 million (3.7 million shares at an average price of $96.27 per share)

Customer Concentration

Five KMT customers accounted for approximately 17% of the Company's 2025 revenue, 18% of 2024 revenue, and 16% of 2023 revenue. Three KDS customers accounted for approximately 9% of the Company's 2025 revenue, 10% of 2024 revenue, and 12% of 2023 revenue.

Recent SEC Filings

2026-04-30 Reported quarterly results (+2 more) View filing ↗
2026-03-30 Entered a material agreement (+1 more) View filing ↗
2026-02-20 Leadership change (directors/officers) View filing ↗
2026-01-29 Reported quarterly results View filing ↗
2025-10-29 Reported quarterly results View filing ↗
2025-09-08 Other event View filing ↗
2025-07-31 Reported quarterly results View filing ↗
2025-05-01 Reported quarterly results (+1 more) View filing ↗
2025-01-30 Reported quarterly results View filing ↗
2024-10-30 Reported quarterly results View filing ↗
2024-08-01 Reported quarterly results (+1 more) View filing ↗
2024-04-26 Amended charter/bylaws (+1 more) View filing ↗

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