International Longshoremen'S Association, Afl-Cio, et al. v. Allied International, Inc.

Decided April 20, 1982. Lewis Franklin Powell Jr. delivered the opinion of the Court.

Docket 80-1663 · 456 U.S. 212 (1982) · Cited 107 times

We don’t yet publish a summary of this opinion — read the official text below for the Court’s holding and reasoning.

How the Justices voted

Decided 9–0.

“Concurring” means agreeing with the outcome; any split shown is the Court’s judgment, not each Justice’s reasoning. Source: the Supreme Court Database (Spaeth et al.), Washington University.

Precedents cited

Supreme Court decisions this opinion relies on, ordered by how often it cites each. Cases in our collection link through; others are named.

• Benz v. Compania Naviera Hidalgo, S. A. · 353 U.S. 138 (1957)
• National Labor Relations Board v. Retail Store Employees Union, Local 1001 · 447 U.S. 607 (1980)
• McCulloch v. Sociedad Nacional De Marineros De Honduras · 372 U.S. 10 (1963)
• National Labor Relations Board v. Denver Building & Construction Trades Council · 341 U.S. 675 (1951)
• National Labor Relations Board v. Fruit & Vegetable Packers & Warehousemen, Local 760 · 377 U.S. 58 (1964)
• Local 1976, United Brotherhood of Carpenters & Joiners v. National Labor Relations Board · 357 U.S. 93 (1958)
• United States v. O'Brien · 391 U.S. 367 (1968)
• International Brotherhood of Electrical Workers v. National Labor Relations Board · 341 U.S. 694 (1951)
• Local 761, International Union of Electrical, Radio & MacHine Workers v. National Labor Relations Board · 366 U.S. 667 (1961)
• National Labor Relations Board v. Local 825, International Union of Operating Engineers · 400 U.S. 297 (1971)

Cited by

Later Supreme Court opinions in our collection that cite this case.

• Jacksonville Bulk Terminals, Inc. v. International Longshoremen's Ass'n · 457 U.S. 702 (1982)
• National Ass'n for the Advancement of Colored People v. Claiborne Hardware Co. · 458 U.S. 886 (1982)
• Federal Trade Commission v. Superior Court Trial Lawyers Ass'n · 493 U.S. 411 (1990)

Official text

Read the official opinion (U.S. Reports, govinfo.gov)

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Source: the U.S. Reports via govinfo.gov; authoring Justice and vote lineup from the Supreme Court Database (Washington University). Citation count from the Free Law Project’s CourtListener bulk data. Data last verified 2026-07-03. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).