Contract Manufacturing

Precision Machining, Fabrication & Engineering Done Right

Proudly Manufactured in the USA

Primary Flow Signal (PFS) offers full-service contract manufacturing with state-of-the-art machining equipment, expert engineering, and dedicated customer support. From prototypes to full production runs, we deliver precision-machined parts for industries including oil & gas, industrial, medical, aerospace, and construction, with unbeatable quality, favorable pricing, and on-time delivery.

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ITAR-Certified Contract Manufacturing

Built to the highest standards of quality & compliance.

PFS is registered with Sam.gov and with DDTC (ITAR), ensuring compliance with International Traffic in Arms Regulations.

Additional Certifications & Accreditations:

ISO 9001
ASME “S” & “U” Stamps
Pressure Equipment Directive 2014/68/EU Module H (PED Module H)
Canadian Registration Number (CRN

Comprehensive Contract Manufacturing Capabilities

From CNC machining to welding, inspection, and reverse engineering.

With expertise in engineering, project management, and an unparalleled range of capabilities, PFS delivers top-quality results tailored to your specific needs. From small prototypes to large-scale assemblies, our processes are backed by industry-leading certifications and a steadfast
commitment to excellence.

And there’s hardly a material we can’t work with. Whether it’s aluminum, stainless steel, brass, copper, bronze, plastics, or any number of exotic metals, we’re happy to meet your contract manufacturing needs.

See Our Work

Machining & Fabrication Expertise

High-precision wire EDM
CNC milling (up to 86”)
CNC turning (up to 86”)
In-house welding (up to 144”)
Surface & blanchard grinding (up to 36”)

Engineering & Quality

Reverse engineering
Inspection & examination
Assemblies
Forming capacities (diameters from 1/4” to 96”)
Comprehensive NDE & testing services
Finishing services
Design support & documentation

Software Systems

E2 Shoptech
SolidCAM & SolidWorks
DCAMCUT Pro
CimWorks 2019
AutoCAD & Procam

Download our full capabilities list

WHY PFS

Best-in-Class Contract Manufacturing Facilities & Equipment

Four Decades of Precision Manufacturing Excellence & Continuous Investment in New Technologies

Primary Flow Signal offers full-service machining and fabrication, proudly made in the USA. Founded in 1983, Primary Flow Signal began as a designer and manufacturer of Venturi-type flow measurement devices and has grown into a trusted global authority in precision differential pressure instrumentation and contract manufacturing. Today, we bring that same commitment to engineering excellence to every machined component and assembly we produce.

PFS operates a comprehensive machining and fabrication facility capable of handling complex projects with tight tolerances.

Learn More About the PFS Difference

Skilled machinists combining manual and automated precision

Vertical and horizontal lathes for a range of bore sizes and lengths

Heavy-duty machining centers for accuracy and throughput

Three 5-Axis Makino DUO 43s Wire EDM systems for superior repeatability

In-house surface and Blanchard grinding for full process control

Reverse Engineering Expertise

Recreating unavailable or obsolete parts with precision.

Our reverse engineering team combines decades of engineering and manufacturing expertise to reproduce mechanical assemblies and components efficiently and accurately.

Our systematic approach and implementation of sound engineering principles result in a part that will always exceed OEM specifications and with a full in-house dedicated team you can be confident that Primary Flow Signal can handle your next reverse engineering requirements large or small.

Common use cases include: