Business and Transportation
- Black Diamond (bus brand), a brand name used by Diamond Bus in the United Kingdom
- Black Diamond (custom car), winner of the 1978 Ridler Award
- Black Diamond (train)
- Black Diamond Cheese, a Canadian cheese manufacturing company
- Black Diamond Coal Mining Railroad, an abandoned railroad in California
- Black Diamond Equipment, a manufacturer of climbing and outdoor gear
- Black Diamond, a brand name used for various electrical products of the Mitsubishi Corporation
- Black Diamond, the barge whose collision with the steamer ship Massachusetts drowned at least 50 persons, including 4 pursuers of Abraham Lincoln's assassin
- Black Diamond switches, a switch series by Extreme Networks
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Famous quotes containing the words business and and/or business:
“Justice means minding one’s own business and not meddling with other men’s concerns.”
—Plato (427–347 B.C.)
“I’m not in business to be loved, but I am in business.”
—Robert Towne (b. 1936)