Heritage Hydro Governor Service, Inc.
Consistently delivering exceptional service of Legacy Hydro Governors and equipment

Your Trusted Partner for Legacy Hydroelectric Governor Systems

At Heritage Hydro Governor Service, Inc. (HHGS), we take pride in delivering specialized mechanical and hydraulic services with an unmatched level of expertise and reliability. We are a SBA-Certified Women-Owned Small Business (WOSB) with more than 30 years of field experience and a deep specialization in Woodward mechanical governors, hydraulic pumps, and pressure systems.

Who We Serve

We provide on-site and in-shop service to:

Public and Private Utilities
Federal and State Government Agencies
Engineering Firms & Contractors
Cooperatives, Cities, Counties, and Townships

From local municipal hydroelectric operations to large federal infrastructure, our team ensures peak performance and regulatory compliance.

Our Core Services

Specializing in Woodward Equipment:

Gateshaft Governors and Actuators

20 Series Rotary Gear Pumps

“XX” Herringbone Pumps

PMGs and Speed Switches

Whether you’re planning a preventive maintenance program or need immediate help with a critical system issue, the team at Heritage Hydro Governor Service, Inc. is ready to support you.

What We Offer:

Field Services
Inspection, diagnostics, calibration, tuning, repair, and overhaul.
In-Shop Repairs
Full-service restoration of pumps, motors, and components.
Preventive Maintenance
Reduce downtime and extend equipment life with scheduled service plans.
Emergency Response
Fast turnaround on critical repairs to minimize outages.
Training and Support
On-site training and free phone consultations.

Proven Performance

We’ve completed dozens of successful projects across the U.S., always on time and within budget. Clients consistently praise our deep knowledge, responsive service, and reliable results.

A few highlights: