Advanced Interment Systems
- Manufacturer of vaults, graveliners, urn vaults and lawn crypts.
- http://www.advancedintermentsystems.com/

Doric Burial Vaults
- Manufacturer of lined-concrete burial vaults and a distributor of cremation memorialization products in the United States and Canada.
- http://www.doric-vaults.com/

Wilbert Vaults of Houston
- Providers of lined burial vaults, cremation urns, and concrete crypts to funeral directors in southeast Texas. Site describes vault options and provides funeral facts and links.
- http://www.wilberthouston.com

Trigard
- North American burial vault, infant casket/vault, and cremation urn manufacturer. Product information, family and company information, convention schedule, and dealer directory.
- http://www.trigard.com/

Modern Burial System
- Offers innovative lawn crypt burial system. Maximizes land use, suitable for many soil types. Details and contact information.
- http://www.modernburialsystem.com/

The Clark Grave Vault Company
- Site describes the characteristics and benefits of using metal burial vaults to protect caskets and its contents.
- http://www.clarkvault.com/

Wilbert Funeral Services
- Supplier of burial vaults in the United States and Canada. Offers a complete line of cremation services, urns and urn vaults.
- http://www.wilbertonline.com/