Fourinox, Inc.

Green Bay, WI Doing business as Fourinox Inc.

UEI
FM6KEJSWSPF1
CAGE
0AYR9
Primary NAICS
332420 Metal Tank (Heavy Gauge) Manufacturing
SAM.gov registration
Active through

Company facts

SBA certifications
Veteran-Owned Small Business
– · Current
Service Disabled Veteran-Owned Small Business
– · Current
Self-certified in SAM.gov
  • For Profit Organization
  • Veteran Owned Business
  • Manufacturer of Goods
  • Service Disabled Veteran Owned Business
  • Subchapter S Corporation
Entity structure
Corporate Entity (Not Tax Exempt)
NAICS codes registered in SAM.gov
Corporate family
SAM.gov registration date
Physical address
1015 Centennial St, Green Bay, WI 54304, USA
Website
fourinox.com
Founded
1974
Employees
11-50
Estimated annual revenue
$1M-$10M
Industry
  1. Industrials
  2. Capital Goods
  3. Industrial Conglomerates
  4. Industrials & Manufacturing
SIC code
34 Fabricated Metal Products
Profiles

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .

Recent federal awards

Fourinox, Inc.'s 5 most recent federal contract and grant awards, newest first. Amounts are dollars obligated.
Award Agency Obligated Awarded
Disposal containers nuclear Contract · N3904026C1004 Naval Sea Systems Command $482,760
51437078_demineralizer_ for organization 2305 - nuclear material division FY: 2025, AMS: N4523A-25-simacq-psns-2305-0031 Contract · N4523A25P4109 Naval Sea Systems Command $146,850
Demineralizer tanks, 3 cubic foot, cres 300 series (304 stainless steel) Contract · N4523A24P4054 Naval Sea Systems Command $103,200
Demineralizer, 3 cubic foot, Contract · N4523A21P4033 Naval Sea Systems Command $124,236
(3) liquid waste collection tanks- design and fabricate Contract · N3225321P0010 Naval Sea Systems Command $1,457,880

About Fourinox, Inc.

Written by GovTribe AI ·

Fourinox, Inc. is a veteran-owned small business and service-disabled veteran-owned business manufacturer headquartered in Green Bay, Wisconsin, specializing in custom metal fabrication and industrial tanks. The company is a corporate entity registered in SAM.gov since May 2001 and is structured as a Subchapter S Corporation. Fourinox serves as a prime contractor to the federal government, providing specialized equipment and fabricated goods for critical naval and nuclear applications. The company has established itself as a reliable supplier of certified process and pressure vessels, with a demonstrated track record of delivering high-quality, specialized metal tanks and water purification equipment to support Department of the Navy operations, particularly for nuclear shipyards and radiological water processing applications.

Fourinox's federal contract portfolio demonstrates a consistent focus on manufacturing demineralizer tanks and water purification equipment for the Naval Sea Systems Command (NAVSEA) and the Department of the Navy. The company has been awarded three prime federal purchase orders totaling $374,286 between June 2021 and July 2025, each designated for fabrication and delivery of 3 cubic foot demineralizer units and associated components. Two of these awards were designated as total small business set-asides (awarded June 8, 2021 for $124,236 and July 30, 2025 for $146,850), while one award issued on July 5, 2024 for $103,200 utilized no set-aside designation and involved the fabrication, testing, and inspection of eight 3-cubic foot round vertical 304 stainless steel demineralizer tanks. Beyond its prime contract work, Fourinox has also served as a subcontractor, including a September 2024 subcontract award under prime contractor Fluor Marine Propulsion, LLC for a radioactive liquid waste tanker, and an April 2024 subcontract award through Atlantic Diving Supply, Inc. These awards underscore Fourinox's specialization in manufacturing critical radiological water processing and waste management equipment for the Puget Sound Naval Shipyard and Intermediate Maintenance Facility, with all prime awards falling under NAICS code 333310 (Commercial and Service Industry Machinery Manufacturing) and PSC 4610 (Water Purification Equipment).

SBA capabilities narrative

From the vendor's SBA profile

Comprehensive metal fabrication including ASME certified pressure vessels for the food, pharmaceutical, biopharmaceutical and specialty chemical industries.

Quick answers

What is Fourinox, Inc.'s UEI?

Fourinox, Inc.'s Unique Entity ID (UEI) in SAM.gov is FM6KEJSWSPF1.

What is Fourinox, Inc.'s CAGE code?

Fourinox, Inc.'s CAGE code is 0AYR9.

What is Fourinox, Inc.'s primary NAICS code?

Fourinox, Inc.'s primary NAICS code is 332420 (Metal Tank (Heavy Gauge) Manufacturing).

Where is Fourinox, Inc. located?

Fourinox, Inc.'s physical address in SAM.gov is 1015 Centennial St, Green Bay, WI 54304, USA.

Is Fourinox, Inc. registered in SAM.gov?

Yes. Fourinox, Inc.'s SAM.gov registration is active through October 7, 2026.

Which SBA certifications does Fourinox, Inc. hold?

Fourinox, Inc. holds Veteran-Owned Small Business and Service Disabled Veteran-Owned Small Business certifications from the SBA.

What is Fourinox, Inc.'s most recent federal award?

Fourinox, Inc.'s most recent federal contract award is Disposal containers nuclear (N3904026C1004), from Naval Sea Systems Command, on May 4, 2026.

On GovTribe

See Fourinox, Inc.'s full federal record

  • Federal contract awards
  • Subcontracting relationships
  • Funding analysis by agency, NAICS and set-aside
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