- 1030 Shary Court Concord, CA 94578 Tel: 925 689 2421 Fax: 925 689 2837 info@eastbaymachine.com FULL TURN-KEY MANUFACTURING ...using the latest technology to meet all your production needs! Throughout its years in business, East Bay Machine & Tool has recognized and embraced rapidly changing technology to ensure the highest standards expected by our customers, with particular attention to the ...www.eastbaymachine.com