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KIRBY CORP

Kirby Corporation is an American company headquartered in Houston, Texas. It is the largest liquid cargo barge operator in the United States, transporting bulk liquid products by boat. Kirby operates throughout the Mississippi River system, on the Gulf Intracoastal Waterway, along all three American coasts, and in Alaska and Hawaii. Products transported by Kirby include petrochemicals, black oil, refined petroleum products, and agricultural chemical products by tank barge. Kirby also owns and operates eight ocean-going barge and tug units transporting dry-bulk commodities in American coastal trade.

Sources and references ↗
COMPANY PROFILE / 10 SOURCE-LINKED FIELDS

Basic company information

Each field links to its source. Financial figures retain their reporting periods; background references are identified in the source list.

Business sectors
water transport [1]
Company / filing name
KIRBY CORP [2]
Headquarters location
Houston [1]
Founded
1921 [1]
Official website
www.kirbycorp.com ↗ [1]
Employees
5,200 · reported year 2022 [1]
ISIN (reported securities)
US4972661064 [1]
CIK
56047 [2]
Country in background record
United States [1]
Symbols / exchanges
KEX (NYSE) [2]

Company positioning and business

Kirby Corporation is an American company headquartered in Houston, Texas. It is the largest liquid cargo barge operator in the United States, transporting bulk liquid products by boat. Kirby operates throughout the Mississippi River system, on the Gulf Intracoastal Waterway, along all three American coasts, and in Alaska and Hawaii. Products transported by Kirby include petrochemicals, black oil, refined petroleum products, and agricultural chemical products by tank barge. Kirby also owns and operates eight ocean-going barge and tug units transporting dry-bulk commodities in American coastal trade. [3]

Through its diesel engine services segment, Kirby is an after-market service provider for medium- and high-speed diesel engines, reduction gears, and ancillary products for marine and power generation applications. Kirby also serves as a distributor and service provider for high-speed diesel engines, transmissions, pumps and compression products, and manufactures and refurbishes oilfield service equipment, including pressure pumping units, for the land-based pressure pumping and oilfield service markets. [3]

Kirby Inland Marine operates the nation's largest fleet of inland tank barges and towing vessels. [3]

Background text: Wikipedia contributors, Kirby Corporation. Selected introductory paragraphs, licensed under CC BY-SA 4.0. Official filing data is cited separately.

Understanding company scale

Employees: 5,200 · reported year 2022. [1]

Financial year, securities and disclosures

Listed securities: KEX (NYSE). Multiple symbols may represent different share classes or securities of the same registrant. [2]

History and key events

  1. Founding / inception date recorded in Wikidata. [1]

Financial results and regulatory disclosures

No individual financial documents have been indexed yet. Open the source to consult company disclosures. [2]

Related entities and concepts

Frequently asked questions

When was KIRBY CORP founded?

Founded: 1921. The linked source provides the background record. [1]

Where is the headquarters of KIRBY CORP?

Headquarters location: Houston. The linked source provides the background record. [1]

Which business sectors are recorded for KIRBY CORP?

Business sectors: water transport. The linked source provides the background record. [1]

Sources and review dates

  1. Wikidata — company background record (CC0) ↗
  2. Company identity and profile data ↗
  3. Wikipedia contributors — Kirby Corporation (CC BY-SA 4.0) ↗

Reviewed 23 October 2026. Financial periods and historical event dates are shown separately. Figures reflect their stated source dates; this page is not a live quote or investment recommendation.

Content preparation: source-based compilation with AI assistance. See methods and attribution. Named sources identify the underlying records; no individual expert review is claimed.