Dr. Marcelo Hirschler
2 Friar’s Lane
Mill Valley, CA 94941
Tel: (415) 388-8278
Fax: (415) 388-5546
Email: mmh@gbhint.com
Mr. Tim Earl
6862 Shallowford Way
Portage, MI 49024
Tel: (415) 250-1500
Email: tearl@gbhint.com
Our homepage has a lot of more information!
We also publish a monthly bulletin: Fire Safety & Technology Bulletin.