| Time zone: | PDT |
|---|---|
| Street address: | 1455 Donner Ave. |
| City / suburb: | San Francisco |
| Country: | USA |
| State: | California |
| ZIP code: | 94124 |
| Latitude: | 37.722554 |
| Longitude: | -122.391298 |
| Phone: | (415) 822-2577 |
| Contact Title: | Manager |
| Contact Name: | Ron Willis |
| Website: | http://www.keystone.com |
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According to our records, this business is located at 1455 Donner Ave. in San Francisco (in San Francisco County), California 94124, the location GPS coordinates are: 37.722554 (latitude), -122.391298 (longitude). Keystone is categorized under Quartzite, Dimension-Quarrying (SIC code 1411). Known organization manager is Ron Willis. Current estimates show that the unit has a sales volume of $198,000 and staff of approximately 2 people. You can contact the company by phone at (415) 822-2577; the following fax number is also provided: (415) 822-5653. Business website can be accessed at www.keystone.com.
