According to our records, this business is located at 6170 Thornton Ave # F in Newark (in Alameda County), California 94560, the location GPS coordinates are: 37.5358795 (latitude), -122.0310248 (longitude). Welch Business Systems is categorized under Computer Consultants (SIC code 7379). Known organization owner is Don Welch. Current estimates show that the unit has a sales volume of $3,220,000 and staff of approximately 20 people. You can contact the company by phone at (510) 795-9116; the following fax number is also provided: (510) 795-4832. Business website can be accessed at www.welchbiz.com.