Doble is a manufacturing company based in the United States, specializing in industrial machinery and equipment since its founding in 1920. With an employee size ranging from 201 to 500 and reported revenue of approximately $108.6 million, Doble is recognized for its expertise in electrical asset management, particularly in transformer condition assessment. The company publishes various documents that focus on technical guidance and case studies related to laboratory services and transformer maintenance. Their materials emphasize the importance of insulating liquid testing for monitoring transformer health, identifying potential faults, and ensuring optimal performance through accurate sampling and analysis. Doble's commitment to providing detailed insights into the chemical, physical, and dielectric properties of insulating liquids highlights their role in advancing industry standards and practices. Additionally, their case studies, such as those addressing women's contributions in power sectors, reflect their engagement with broader industry narratives. Overall, Doble’s publications serve as valuable resources for professionals in the manufacturing and electrical engineering sectors, aiming to enhance operational efficiency and asset reliability.