Reaction Search International Share: Human Resource SolutionsEmployment Agencies Reaction Search International Visit Website Request Info 5000 Executive Parkway, Suite 450 San Ramon, CA 94583 (925) 275-0727 (877) 782-5078 (fax) Rep Info Map Whom to Contact Robert Boroff What's Nearby? Distance: 5 10 15 20 25 50 mi.