Why Primary Flow Signal?
PFS and its subsidiaries deliver high-quality flow measurement solutions built for reliable performance, proven accuracy, and practical engineering support from quote through startup and long-term service.
With headquarters and manufacturing locations across the United States and Canada, PFS leads the North American market and supports customers worldwide. We specialize in pressurized and open channel flow metering applications, and all types of line fluid measurement solutions (i.e., steam, gas and liquid, as well as solids-bearing).
Our versatile flow measurement technology supports the systems people rely on every day, from municipal water and wastewater to industrial services, chemical processing, power generation, and oil and gas production and pipeline operations.
The PFS Difference
Our objective is simple: help our clients get dependable flow data and long-term value through world-class products, responsive service, and competitive pricing.
Decades of Proven Performance
40+ years of industry-leading accuracy and reliability, with over one million patented HVT Venturis in service worldwide.
Engineering Expertise & Innovation
The industry’s largest full-time team of flow measurement engineers and technicians, with active R&D across a variety of technologies.
Lifecycle Service & Rehabilitation
Ongoing support, maintenance, and rehabilitation help extend the service life of flow meter installations and maintain dependable performance over time.
In-House Manufacturing, Built for Scale
From design and fabrication to calibration and finishing, our in-house capabilities support projects ranging from individual custom meters to large, complex contracts.
Multiple North American Locations
Headquartered in Cranston, RI, with additional locations in Texas, Oklahoma, South Carolina, and Alberta, Canada, PFS maintains an established presence across North America.
Long-Term Agreements
Our capacity and infrastructure support long-term agreements that secure supply and pricing over multiple years, helping customers plan ahead with greater confidence.
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Global Locations
Find a PFS location serving flow measurement customers across the U.S. and around the world.
Certificates & Compliances
Explore the certifications and regulatory compliance standards PFS maintains.