Our Services

Sierra Tech Services helps clients meet regulatory requirements promptly and affordably. Gauge the Difference that STS makes to improving your project’s efficiency, compliance, and budget. Click on the Services to the left to learn more.

Client Gauge

“STS consistently exceeds my expectations in meeting all of my client’s objectives. Their field technicians and supervisors get the job done by solving any problems including unexpected ones that come up. STS also has the right equipment to get the job done safely and on time.”
Aaron O’Brian Tamalpais Environmental

“I have had great experiences working with STS as a reliable, capable, and customer-focused firm supporting the operation and maintenance of a variety of remediation treatment systems.”
Liz Sewell Arcadis

“STS rocks! I can’t tell you how nice it is to have you all as partners! To be able to just ask for a sole, cost appropriate solution without drawings and change orders is wonderful. Thanks so much!”
Chris Alger Iris Environmental

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