http://www.osha.gov/ - Occupational Safety and Health Association. Statistics and data relating to Workers' Compensation Injuries legislation.

http://www.dol.gov/ - Department of Labor—Statistics and data for careers, employment and state agencies relating to Workers' Compensation problems. 

http://www.calosha.com/ - Cal Osha Reporter. News and resources, archival history on decisions and Workers' Compensation case law.

Local San Francisco and Bay Area vendors of specialty and ergonomic products

http://www.officerelief.com/ - San Francisco and East Bay Area

http://www.givesomethingback.com/  - Oakland and East Bay

http://www.justergonomics.com/  - San Francisco and East Bay

http://www.keyalt.com/  -  Santa Rosa, specialty keyboards and computer interface products.