# Martin Marietta Materials

> American Materials Company

**Wikidata**: [Q6776123](https://www.wikidata.org/wiki/Q6776123)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Martin_Marietta_Materials)  
**Source**: https://4ort.xyz/entity/martin-marietta-materials


## References

1. Global LEI Index
2. Google Knowledge Graph
3. [Source](http://km.aifb.kit.edu/services/crunchbase/)
4. [Source](https://ftp.arin.net/pub/resource_registry_service/asns.csv)
5. ROR release v1.51
6. Wikirate