What is the fine-grained topic of the following text: In addition to historical fundamental analyses, the complete report available to purchase compares Takase with three other companies in this sector in Japan: Aidma Marketing Communication Corp (2018 sales of 8.62 billion Japanese Yen [US$76.94 million] ), Tsunagu Group Holdings Inc (8.67 billion Japanese Yen [US$77.41 million] ), and PHYZ inc (7.43 billion Japanese Yen [US$66.34 million] of which 100% was EC Solution Service Business). Only return the topic.
Comparison of Takase with other companies in Japan's sector.