Primary Flow Signal Inc., headquartered in Cranston, RI, has major manufacturing and research facilities locations both in the USA and Canada, and is proud to provide quality products made domestically for the world market. 

In addition to our flagship facility in RI, we have manufacturing, research and development, and sales/business locations in:

  • Houston and Odessa-Midland, TX
  • Tulsa and Altus, OK
  • Bakersfield, CA
  • Seneca, SC
  • Edmonton, Alberta, Canada

As we grow within international markets, the company is expanding locations to other countries; we now have a presence in Beijing, China.

Banking Relationships:

  1. Lead US Bank:

Dorian Osmani
Senior Vice President
Senior Client Manager
Global Commercial Banking
Bank of America N.A. MA6-189-04-01
10 North Main St
Fall River, MA 02720
Tel: 508-676-7578
Fax: 508-676-7588
Cell: 401-862-6605

  1. General Liability Insurance:


  1. Legal Representation:

Michael F Sweeney, Esquire
Duffy & Sweeney, LTD.
1800 Financial Plaza
Providence, RI 02903
Tel: (401) 455-0700
Fax: (401) 455-0701

PFS boasts a full certification record for the company and its products as strong as the products themselves.

Certifications for quality and safety include ISO 9001, ASME R, U, and S; European PED Module H; Indian IBR; Russian GOST; and Canadian CSA and CRN.

Individual products follow relevant industry regulations, including requirements specific to the oil and gas, water/wastewater, and power generation industries. Contact us for more information on individual products, certifications, and regulatory compliance.

Primary Flow Signal, Inc. (PFS) is a growing organization, with an outstanding staff, and highly competitive employee compensation and benefits programs in all of its operating entities.

We recognize the crucial importance of our personnel and know that it is through their dedication, expertise, and motivation that our firm is able to properly serve our clients and continue to be able to achieve ambitious growth and outstanding performance, year after year.

The underlying strategy of our organization is to maintain very lean staffing, to attract and reward highly independent, motivated and productive individuals, and to reward achievement, performance, and results. Our objective is to build and reinforce a winning team with long term associates that want to make a career with us.

This email address is being protected from spambots. You need JavaScript enabled to view it.">Check back often for new career opportunities.

Primary Flow Signal, Inc. (PFS) warranties merchandise provided and sold under contract to unrelated third parties.

All merchandise provided but not manufactured by PFS shall be under the warranty provided by the original equipment manufacturer. All merchandise manufactured by PFS shall be free from defect in workmanship or material for a period of _____ months following the earliest date of delivery to customer or first installation. Unless otherwise noted, all merchandise shall be of first quality materials and workmanship and subject to all quality certifications as may be in effect at the time of shipment, or as provided for otherwise by contract. All merchandise is compliant with relevant approved PFS submittal.

This warranty shall be operative conditioned upon the following:

  • Applicable merchandise is properly stored, handled, installed, and commissioned per relevant PFS O&M specifications.
  • Merchandise has not been modified, changed or reconfigured, unless at the express direction and compliant with official instruction and specification provided by authorized personnel of PFS.
  • Operating conditions including but not limited to line fluid, pressure, and temperature are consistent with parameters established and confirmed by approved PFS submittal.

Misuse, abuse, accident, negligence of others, acts of God, war, terrorism, natural disaster, or and other events outside the direct control of PFS and not directly related to defects in workmanship or material are expressly excluded from this warranty. PFS must be fully and timely paid for all merchandise prior to filing any claim.

Notice of defect claimed under this warranty must include the discrete PFS serial number of the affected merchandise and be made in writing within 20 business days of first identification of defect with such report being made to the principle address of PFS below provided or as may then prevail:

Primary Flow Signal, Inc.
800 Wellington Avenue
Cranston, RI 02910 USA
Attention: Customer Service Director-Warranty
Tel: 401-461-6366
Fax: 401-461-4450
This email address is being protected from spambots. You need JavaScript enabled to view it.

Upon determination that an event is subject to warranty, as sole remedy, PFS, at its discretion, shall either repair or replace affected merchandise as rapidly as is reasonably possible at its own expense. Under no circumstances shall PFS be liable for consequential or indirect damages, nor for any value exceeding the original cost as evidenced by original invoice for the affected merchandise reduced proportionally by the ratio of years of good service divided by the total warranty period. This enumeration constitutes the entirety of warranty liability assumed by PFS in connection with the provision of said merchandise. No other obligation(s), either expressed or implied are assumed by PFS.