
Repair & Rebuild
Pumps, controllers, gauges and cryo, repaired or rebuilt.
From Concord to anywhere in the US
Most units ship to our shop in Concord, from anywhere in the world. Nearby customers can drop units off or ask about pickup. On-site work reaches anywhere in the US.
A second-generation family business: Bay Area since 1993, Concord since 2019. About HSD
We serve customers across the Bay Area, including:
Further out? You are still in range. Ship it to us from anywhere in the world, or read about on-site work.
Nearby customers can drop units off or ask about pickup.
On a pickup, we can bring the packing materials.
If it is plumbed in, installed or too big to move, we come to it. On-site work reaches anywhere in the US, and we plan the travel with you when we quote.
Start with the department that fits: Lab Equipment Service for lab instruments, Engineering & Systems for system-level work.

Pumps, controllers, gauges and cryo, repaired or rebuilt.

Pressure, temperature, speed and time, traceable to NIST.

Mass spectrometers and other lab equipment, at our bench or on site.

System-level diagnostics, wiring, controls and assembly.
Email info@hsdengineering.com or call (510) 553-9132. Tell us who made it, the model and what it does wrong, and we will quote it.
For pickup or on-site work, tell us where the machine is too.
Shipping, warranty and payment: Repair Process and Terms.All contact details