NAICS 48311Federal ProcurementSBA SIZE: Varies by Industry

NAICS Classification 48311 Government Contracts

Federal contracting guide, active SAM.gov solicitations, small business size standards, and top purchasing agencies for NAICS code 48311.

SBA Size StandardVaries by IndustrySmall business threshold
Annual Federal SpendMulti-Million Dollar CategoryContract awards per year
Active Solicitations7 Live BidsCurrently open on SAM.gov
Primary BuyersDepartment of DefenseTop purchasing agency

Active SAM.gov Solicitations for NAICS 48311

7 Open Opportunities

90-DAY TANKER TIME CHARTER

Agency: DEPT OF DEFENSENotice ID: N3220526P5236Location: NORFOLK, VA
No Set-Aside Used (Full and Open Competition)Award Notice

Solicitation N3220526P5236 for 90-DAY TANKER TIME CHARTER published by DEPT OF DEFENSE. Prospective offerors must consult official solicitation documents on SAM.gov for full instructions, specifications, and submission deadlines.

ESD N3220526R0018 SOLICITATION

Agency: DEPT OF DEFENSENotice ID: N3220526R0018Location: [object Object], VA, USA
NoneSpecial Notice

******Due to technical system issues, solicitation N3220526R0018 has been posted under N3220526R1018. Please see the link below**** https://piee.eb.mil/sol/xhtml/unauth/search/oppMgmtLink.xhtml?noticeId=N3220526R1018&noticeType=SolicitationNotice

365-day Dry Cargo Time Charter

Agency: DEPT OF DEFENSENotice ID: N3220526C1248Location: HI, USA
NoneAward Notice

Solicitation N3220526C1248 for 365-day Dry Cargo Time Charter published by DEPT OF DEFENSE. Contractors must submit responses conforming to the requirements in the official SAM.gov solicitation notice and associated attachments.

Submarine Rescue Vessel Extended Time Charter

Agency: DEPT OF DEFENSENotice ID: N3220526R6077Location: VA, USA
NoneSolicitation

The solicitation will be a fixed-price time charter, with a performance period of one (1) year base period and will be followed by three (3) 1-year options and one (1) 11-month option period. The solicitation will require the time charter of one (1) Jones Act qualified, U.S. flag, Offshore Supply Vessel (OSV) to support submarine rescue requirements in support of submarine sea trials and other Fleet mission support as required, in the vicinity of Hampton Roads Area in Virginia. Anticipated lay days: 18 February - 28 March 2027. Please see attached Request for Proposal (RFP) N3220526R6077 and all RFP attachments for full details. Administrative Note: This solicitation (RFP) is being issued to correct an administrative error on a previous posting. On 19 August 2026, this requirement was mistakenly published under Notice Type "Sources Sought" under Notice ID N3220526R6077. Please note that this is an active Request for Proposal (RFP) and not a request for information. All formal proposals must be submitted in accordance with the instructions detailed in this solicitation. The original "Sources Sought" posting is considered administratively closed. Please see attachment N3220526R6077 - Amendment 0001 which corrects the laydays in Attachment (1) SPECIALTIME Proforma. Amendment 0001 is efffective 21 August 2026. The Offer Due Date/Local Time has NOT been extended. Please see attachment N3220526R6077 - Amendment 0002 which updates Attachment (01) SPECIALTIME Proforma, Attachment (05) Government Furnished Property, and answers questions in response to the RFP. Amendment 0002 is efffective 08 September 2026. The Offer Due Date/Local Time has NOT been extended. Please see attachment N3220526R6077 - Amendment 0003 which provides answers to questions in response to the RFP and updates Attachment (01) SPECIALTIME Proforma, and Updates the Wage Determination 2029-0288 to Revision 27. Amendment 0003 is effective 17 September 2026. The Offer Due Date/Local Time has been extended to 05 October 2026 at 1300 EST. Please see attachment N3220526R6077 - Amendment 0004 which answers a question in response to the RFP and extends the Offer Due Date/Local Time to 15 October 2026 at 1300 EST. Amendment 0004 is effective 02 October 2026.

N3220525R6003 - SURTASS-E RFP

Agency: DEPT OF DEFENSENotice ID: N3220525R6003Location: Norfolk, VA, USA
NoneSolicitation

***05 October 2026*** AMENDMENT 0007 IS HEREBY ISSUED UPDATING THE DUE DATE FROM 08 OCT 2026, 1:00pm LOCAL TIME (EDT) TO 22 OCT 2026, 1:00pm LOCAL TIME (EDT). SEE UPDATED SF1449 PER AMENDMENT 0007 ALONG WITH THE SF-30 FOR THIS AMENDMENT ADDED ON 05 OCT 2026. ***22 September 2026*** Amendment 0006 is hereby issued updating Attachment 2 (Wage Determination) and extending the due date from 24 September 2026 1:00pm Local Time (EDT) to 08 October 2026 1:00pm Local Time (EDT). ***08 September 2026*** AMENDMENT 0005 IS HEREBY ISSUED UPDATING THE DUE DATE FROM 10 SEPT 2026, 1:00pm LOCAL TIME (EDT) TO 24 SEPT 2026, 1:00pm LOCAL TIME (EDT). SEE UPDATED SF1449 PER AMENDMENT 0005 ALONG WITH THE SF-30 FOR THIS AMENDMENT ADDED ON 08 SEPT 2026. ***26 August 2026*** AMENDMENT 0004 IS HEREBY ISSUED UPDATING THE DUE DATE TO 10 SEPT 2026. ADDITIONALLY, SEE UPDATED PROFORMA ATTACHMENT AND SF1449_0004 POSTED ON 26 AUGUST 2026. ***05 August 2026*** Amendment A0003 is hereby issued updating and re-opening the solicitation. See attachments for details. ***02 OCT 2025. RFP Amendment A0002 is hereby issued. (Attachment 16 has been added to address questions submitted by potential offerors). Updated versions of Attachment 3, Attachment 6, Attachment 7, Attachment 8, Attachment 9, Attachment 12, Attachment 13, and Attachment 14 have been uploaded. See attached [SF-30] and [SF1449] for full details. Nothing from the SF1449 Changed from A0001 to A0002 and the only change from the orginial posting is the issue date and due date (Box 6 and 8) as outlined in A0001. All other things remain unchanged. ***29 SEP 2025. RFP Amendment A0001 is hereby issued to update the RFP Issue Date and Response Date. See attached [SF-30] for full details. See SF1449 and Related Attachments for details The solicitation will be a fixed-priced time charter with reimbursable elements, with a performance period of one (1) year base period and will be followed by three (3) 1-year option periods and one 11-month option period. The solicitation will require a time charter of one US flagged or foreign flagged vessel (to be reflagged US prior to delivery of vessel) required to tow an acoustic array in support of U.S. Navy Operations. The vessel will tow a passive acoustic monitoring system, between 4-6 knots, 24hrs/day for up to a 60-day event. The ship will need to be able to tow on a directed heading within 5 degrees for extended periods at slow speed. Because of the type of acoustic system employed, the ability of the vessel to maintain heading stability is critical. The vessel must be capable of worldwide operations, including support in all ocean basins of the world from the Artic to the Antarctic during all periods of time. The vessel is expected to operate in open water in the vicinity of the Marginal Ice Zone (MIZ) and must be capable of surviving encounter with young open ice, as specified by ABS, Ice Class D0.

V--Vessel Atlantic Ops Physical Inspections Draft RFP

Agency: INTERIOR, DEPARTMENT OF THENotice ID: DOIEFBO260006Location: STERLING, VA
No Set-Aside Used (Full and Open Competition)Presolicitation

As a part of market research, The Department of the Interior (DOI) and the Marine Minerals Administration (MMA) are seeking comprehensive industry feedback on the Draft RFP for Vessel Atlantic Operations – Physical Inspections. All elements of the draft are open for comment, and we particularly welcome input on CLIN structure, insurance requirements, SCLS applicability, small business participation percentages, and evaluation criteria. We also encourage vendors to provide pricing insights for the anticipated draft Seed Task Order, including any rough order of magnitude estimates that industry believes realistic, as well as any other pricing information they may be willing to share to help our understanding of this market. We invite all interested parties to review the draft and share any recommendations that will help ensure clarity, feasibility, and competitive bidding. Please let us know if there is anything in the draft RFP that would prevent you from submitting a proposal response if it were to be official. Send responses to [email protected] prior to the response due date listed in the SAM.gov posting. Please remember, this is not a solicitation, and the Government is not requesting proposals at this time. Responses will not be evaluated for award and will not bind the Government or respondents. The Government will not reimburse respondents for costs associated with reviewing or responding to this draft. All portions of the draft are subject to revision before issuance of a final solicitation. The Government reserves the right to conduct one-on-one meetings with any one of the respondents to clarify submissions or gather additional market research information. The posting of this Draft RFP satisfies the pre‑solicitation synopsis requirements of FAR Subpart 5.2.

Disaster Overseas Transportation Support (DOTS) - AS/GU/CNMI

Agency: DEPT OF DEFENSENotice ID: 70FB7026R00000030Location: Pago Pago, AS, USA
NoneSolicitation

Amendment A0002 issued 10/08/2026 *************************************************************** Amendment A0001 issued 08/31/2026 *************************************************************** The Department of Homeland Security/Federal Emergency Management Agency intents to award a Multiple-Award Indefinite Delivery Indefinite Quantity contract to obtain all-inclusive, multimodal transportation and shipping services from a Continental United States (CONUS) and/or Outside Continental United States (OCONUS) point of origin to American Samoa, Commonwealth of the Northern Marina Islands and Guam. Phase I Responses are due no later than 12:00PM ET, October 2, 2026. Phase II Responses are due no later than 12:00PM ET, November 6, 2026. Please see solicitation and attachments for all details.

How to Win Federal Contracts under NAICS 48311

Federal buyers evaluate offerors under NAICS 48311 through a combination of verified technical capability, past performance relevance, and price reasonableness. Follow this proven pursuit framework:

1
Verify SBA Small Business Eligibility for NAICS 48311Confirm your business meets the SBA size standard of Varies by Industry in average annual revenue or employee headcount.
2
Register on SAM.gov with NAICS 48311Add NAICS 48311 to your active SAM.gov entity profile under Goods and Services to qualify for set-aside awards.
3
Review Live Solicitations & Section L & M InstructionsAnalyze current open notices below. Pay close attention to evaluation criteria (Best Value Tradeoff vs Lowest Price Technically Acceptable).
4
Generate Compliance Matrix & Draft Winning Proposal with BidGovAIUse BidGovAI to shred solicitation requirements, extract FAR compliance clauses, and draft evaluator-aligned technical proposal volumes.
Industry Bidding Strategy:

Check the solicitation Section L & M instructions and ensure SAM.gov registration is active.

Top Federal Buyers for NAICS 48311

Department of DefenseMajor purchaser of NAICS Classification 48311
Active Buyer →
General Services AdministrationMajor purchaser of NAICS Classification 48311
Active Buyer →
Department of Veterans AffairsMajor purchaser of NAICS Classification 48311
Active Buyer →

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Frequently Asked Questions About NAICS 48311

What is NAICS code 48311?

NAICS code 48311 is a standard North American Industry Classification System code used by federal contracting officers to categorize solicitations and establish small business size standards.

How do I bid on NAICS 48311 contracts?

To bid on NAICS 48311 opportunities, ensure your entity is registered on SAM.gov with NAICS 48311 listed in your assertions, and submit a compliant offer in response to the active solicitation.