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Sigma Clay Co.
Redlands, CA 92373
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Our Story
Our main lines of business include: Clay Products, Fill & Backfill.
Sigma Clay Co. has been listed in the Blue Book since 1995.
What We Do
- Clay Products
- Fill & Backfill
Regions & Counties Serviced
- Orange, Riverside and San Bernardino Counties
California 1
- San Bernardino
Our CSI Codes
31 06 20.16 - Backfill Material Schedule
31 23 23 - Fill
31 23 23.13 - Backfill
31 23 23.23 - Compaction
31 23 23.33 - Flowable Fill
31 23 23.43 - Geofoam