General:
* Composed of
* Constituted by
* Consisting of
* Made of
* Formed from
* Built from
* Constructed from
* Comprised of
* Containing
* Including
More formal:
* Embodied in
* Incorporated
* Synthesized from
* Derived from
More specific:
* Assembled from (for physical objects)
* Amalgamated from (for things that are combined)
* Compounded from (for mixtures or chemical compounds)
* Fabricated from (for manufactured goods)
The best word to use will depend on the specific context.