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Published research indicates a lack of test results for singleanglecompression members with low slenderness ratio. In order to bridge this gap, 50 stocky singleangle struts were tested as part of a truss. The test procedure and the results from these tests are given and discussed. The behavior of these members varies depending on their end connection detail, their slenderness ratio, and the widththickness ratio of the angle leg. Six possible modes of failure were identified. The design rules for singleanglecompression members given in the AISC Design Specification, and the ASCE Manual 52 for the Design of Steel Transmission Towersare evaluated.