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/

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/

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/

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/

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