How to know if utilities are being used.?

I am running on a 10.2.0.4 enterprise edition database and it has been installed with the next components:

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JServer JAVA Virtual Machine	10.2.0.4.0	VALID
OLAP Analytic Workspace	10.2.0.4.0	VALID
OLAP Catalog	10.2.0.4.0	VALID
Oracle Data Mining	10.2.0.4.0	VALID
Oracle Database Catalog Views	10.2.0.4.0	VALID
Oracle Database Java Packages	10.2.0.4.0	VALID
Oracle Database Packages and Types	10.2.0.4.0	VALID
Oracle Enterprise Manager	10.2.0.4.0	VALID
Oracle Expression Filter	10.2.0.4.0	VALID
Oracle interMedia	10.2.0.4.0	VALID
Oracle OLAP API	10.2.0.4.0	VALID
Oracle Rules Manager	10.2.0.4.0	VALID
Oracle Text	10.2.0.4.0	VALID
Oracle Workspace Manager	10.2.0.4.3	VALID
Oracle XDK	10.2.0.4.0	VALID
Oracle XML Database	10.2.0.4.0	VALID
Spatial	10.2.0.4.0	VALID

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How to know if really I am using them??    because I am planning to migrate from server and would like to perform a tailor-made installation.