According to our records, this business is located at 33480 Western Ave. in Union City (in Alameda County), California 94587, the location GPS coordinates are: 37.5930125 (latitude), -122.0343347 (longitude). Mas International Co is categorized under Wholesale Signs (SIC code 5099). Known organization manager is Martin Lien. Current estimates show that the unit has a sales volume of $4,720,000 and staff of approximately 5 people. You can contact the company by phone at (510) 441-1269; the following fax number is also provided: (510) 441-8699.