Scabbard and Blade was a college military honor society founded at the University of Wisconsin in 1904. At its 1920 convention, its chapters, called companies, were organized into regiments, based on geographic locations within the United States, including:
1st District – Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont 2nd District – Delaware, District of Columbia, Maryland, New Jersey, New York 3rd District – Pennsylvania, West Virginia 4th District – North Carolina, South Carolina, Virginia 5th District – Alabama, Florida, Georgia, Tennessee, Puerto Rico 6th District – Kentucky, Michigan, Ohio 7th District – Illinois, Indiana, Wisconsin 8th District – Arkansas, Louisiana, Mississippi 9th District – Iowa, Missouri 10th District – Minnesota, North Dakota, South Dakota 11th District – Kansas, Nebraska, Oklahoma, Texas 12th District – Colorado, New Mexico, Utah, Wyoming 13th District – Idaho, Montana, Oregon, Washington, California 14th District – Arizona, Nevada, parts of California
Following is a list of the Scabbard and Blade companies, with inactive institutions in italics.