British aeroplane manufacturer de Havilland had long been engaged in making wooden propellers in England when the company established operations in Australia in 1927. From 1930 De Havilland Australia manufactured metal and wooden propellers as well as the DH82 Tiger Moth and from 1943 the DH98 Mosquito. The woods used for both aircraft and propellers were imported from the United Kingdom or North America, mainly due to the company’s ignorance of the properties of Australian wood. Their specific concern was the use of Australian wood for propellers, particularly for the Tiger Moth but also the Beaufort, Wirraway, and Mustang. To overcome this lack of knowledge de Havilland entered into what can be identified as a symbiotic association, starting in 1933 and continuing strongly from 1941 to1944, with the Council for Scientific and Industrial Research-Division of Forest Products. This paper explores the nature of this symbiosis, not reflective of biological or socio-biological characteristics but defined as independent agents functioning co-operatively. In order to demonstrate the presence of a symbiotic association between the two entities, certain attributes are identified: place - laboratories and non-laboratories; activities undertaken - tasks, goals, and products that are conceived, developed, and created; temporality of the relationship - frequency of co-operation and the time taken to complete activities; connectivity characteristics between entities - identifying the processes used; resistances encountered; and the ramifications for each organisation of the symbiotic association. Analysis is conducted through close reading of archival sources against the attributes, except emerging resistances that are analysed using Andrew Pickering’s methodology, the ‘dance of agency’, whereby human and non-human resistances are ‘tuned’ in order to achieve outcomes. The result of the analyses confirms that a symbiotic association between de Havilland and the Division of Forest Products functioned between 1941 and 1944. Furthermore the methodology used suggests potential as a tool to identify symbiotic associations between organisations which are not interdependent, that appear to have little in common, but which work co-operatively.