MONTEREY MECHANICAL CO. 8275 San Leandro Street, Oakland, CA 94521-1972 Office (510) 632-3173 - Fax (510) 632-0732 Monterey Mechanical Co. is a mid-sized industrial contractor and metal fabricator. Our current annual revenues are approximately $40 million with approximately 65% Engineering Construction, 10% Metal Fabrication and 25% Industrial Maintenance. Engineering Construction Industrial ...