R--Maintenance of NRC Codes V

Inactive on SAM.gov — responses were due 31 Jul 2026 · Unrestricted (full and open) · Nuclear Regulatory Commission (NRC) · NAICS 541690 · Solicitation 31310026R0023

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A newer version of this notice has been posted. SAM.gov republished solicitation 31310026R0023 on 08 September 2026. This page is kept because it is a real record, but the current requirement, dates and attachments are on the latest version. Read the latest version →

What happened next

SAM.gov marked this notice inactive — responses were due 31 July 2026.

Awarded to Information Systems Laboratories, Inc. 1320 Ammon Park Dr Ammon ID 83406 USA for $1.0M, posted 08 September 2026. Read the award notice →

Solicitation details

Solicitation number31310026R0023
Notice ID5c6f2f3f3f244120b525c24a7123f5ab
AgencyNuclear Regulatory Commission (NRC)
Contracting officeNUCLEAR REGULATORY COMMISSION
NAICS code541690 — Other Scientific and Technical Consulting Services
Product / service code (PSC)R425
Set-asideUnrestricted (full and open)
Notice typePresolicitation
Posted16 June 2026
Response deadline31 July 2026 (closed)

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Description

The U.S. Nuclear Regulatory Commission (NRC) is issuing a presolicitation notice for a requirement entitled, Maintenance of NRC Codes Five (MONC-V) The objective of this contract is to support the NRC s safety mission by providing high-quality and timely regulatory thermal-hydraulic research, code development expertise, code maintenance support, and other technical products that facilitate regulatory safety analysis. The Contractor shall provide thermal-hydraulic (T/H) code and model development and improvements, as well as configuration control, correction of code errors, documentation updates, and user support to the NRC, its contractors, and members of international Code Applications and Maintenance Program and the domestic user community. The period of performance will be a total of five years. The North American Industry Classification System (NAICS) code for the services required is 541690 . Request for Proposal (RFP) No. 31310026R0023 will be posted on, or about, July 1, 2026 as full and open competition under FAR Part 15. Closing date for receipt of proposals will be on, or about, 30 days thereafter. This solicitation is open to all business size standards. RFP No. 31310026R0023 will be distributed solely through www.sam.gov. All future information about this acquisition, including solicitation amendments will also be distributed solely through www.SAM.gov . Interested parties are responsible for monitoring www.SAM.gov to assure that they have the most up-to-date information about this acquisition. The Government will not reimburse interested parties for any cost associated with responding to this business opportunity. Vendors must be registered with the System for Award Management (SAM) database to receive a government contract award. Vendors must also be registered in Representations and Certifications Applications (included in SAM). The North American Industry Classification System (NAICS) Code applicable (541690 listed above) to this acquisition must be in vendor's SAM registration. Note: Update SAM profile to include all applicable NAICS Codes associated with your company. Vendors may register for SAM online at www.sam.gov or by calling 1-866-606-8220. In accordance with FAR 4.1102, offerors are required to be registered in SAM.GOV at the time an offer or quotation is submitted in order to comply with the annual representations and certifications requirements.

Version history

SAM.gov has posted 3 notices under solicitation 31310026R0023, oldest first.

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Market context: NRC and NAICS 541690

About the buyer and the industry, not this specific solicitation. Source: USASpending.gov award data, updated nightly.

  • In fiscal year 2026, NRC obligated $2.5M across 4 contract actions under NAICS 541690.
  • 14 contracts worth $9.6M in this category end within the next 18 months.

NRC contracts under NAICS 541690 →

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