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Key Precast and Supply, Inc. is a family owned and operated business that has been manufacturing concrete septic tanks and providing components for on-lot septic systems for over 30 years.

We pride ourselves on quality service and customer satisfaction.  Located in Butler, PA, we service Western Pennsylvania and continue to expand our coverage area and product lines to accommodate the latest changes in the wastewater industry. All precast concrete tanks meet or exceed Pennsylvania DEP standards and comply with applicable ASTM standards.