NAICS 221320Federal ProcurementSBA SIZE: Varies by Industry

NAICS Classification 221320 Government Contracts

Federal contracting guide, active SAM.gov solicitations, small business size standards, and top purchasing agencies for NAICS code 221320.

SBA Size StandardVaries by IndustrySmall business threshold
Annual Federal SpendMulti-Million Dollar CategoryContract awards per year
Active Solicitations5 Live BidsCurrently open on SAM.gov
Primary BuyersDepartment of DefenseTop purchasing agency

Active SAM.gov Solicitations for NAICS 221320

5 Open Opportunities

This requirement is to provide for a single award Indefinite Delivery/Indefinite Quantity (IDIQ) Service Contract for Maintenance and Repair for Incinerator Plant, Weight Scales, Potable Water Tanks, Wastewater Treatment Plants to Include Operation, and Granular Activated Carbon (GAC) Filtering System at Commander Fleet Activities (CFA) Yokosuka, Japan. The Contractor shall furnish all labor, supervision, management, tools, materials, equipment, facilities, transportation, incidental engineering, and other items necessary to provide the services as described in the Performance Work Statement (PWS).

DCDO Septic Tank and Sewage Treatment Maintenance

Agency: DEPT OF DEFENSENotice ID: FA527027QB006Location: 96367, JPN
NoneCombined Synopsis/Solicitation

This is a combined synopsis/solicitation for commercial items prepared in accordance with the format in FAR Subpart 12.6, Streamlined Procedures for Evaluation and Solicitation for Commercial Items as supplemented with additional information included in this notice. This announcement and the attached Request for Quotation FA527027QB006 constitute the only solicitation being issued; the solicitation document and incorporated provisions and clauses are those in effect through Federal Acquisition Regulation. The associated North American Industrial Classification System (NAICS) code (221320) and applicable size standard for this procurement is listed in Block 10 on the face page of the attached RFQ. The United States Air Force – 18th Contracting Squadron, Kadena AB Japan (Okinawa) intends to award a Single Award, Requirements type Contract for DCDO Septic Tank and Sewage Maintenance for DCDO in Okinawa, Japan. This requirement will be for full and open competition. The period of performance for this contract will be 1 December 2026 – 30 November 2031. Attachment 4 - Directions to DCDO will be provided upon request. Please see the attached RFQ for additional details, and other terms and conditions.

Waste Water Treatment Plant Services

Agency: DEPT OF DEFENSENotice ID: FA448627Q0002Location: Praia da Vitoria, PT-20, 9760-002, PRT
NoneCombined Synopsis/Solicitation

This is a combined synopsis/solicitation for commercial products or commercial services prepared in accordance with the Revolutionary FAR Overhaul (RFO) Part 12. This announcement constitutes the only solicitation. Offers are being requested and a separate written solicitation will not be issued. Solicitation number FA448627Q0002 is issued as a Request for Quotation (RFQ), for Waste Water Treatment Plant Services. This acquisition is not a set-aside for small business concerns. This solicitation incorporates provisions and clauses by reference. The full text of provisions and clauses may be accessed electronically at www.acquisition.gov. “Notice to Offeror(s)/Supplier(s): Funds are not presently available for this effort. No award will be made under this solicitation until funds are available. The Government reserves the right to cancel this solicitation, either before or after the closing date. In the event the Government cancels this solicitation, the Government has no obligation to reimburse an offeror for any costs.” Proposal Due Date: Monday, 23 November 2026, at 14:00 Azores Time (AZOT / UTC-01:00) (which is 15:00 WET / Lisbon Time).

Operations and Maintenance (O&M) Services for the SBIWTP

Agency: DEPT OF DEFENSENotice ID: 191BWC26R0009Location: San Ysidro, CA, 92173, USA
NoneSolicitation

Solicitation 191BWC26R0009 for Operations and Maintenance (O&M) Services for the SBIWTP published by DEPT OF DEFENSE. Contractors must submit responses conforming to the requirements in the official SAM.gov solicitation notice and associated attachments.

How to Win Federal Contracts under NAICS 221320

Federal buyers evaluate offerors under NAICS 221320 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 221320Confirm 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 221320Add NAICS 221320 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 221320

Department of DefenseMajor purchaser of NAICS Classification 221320
Active Buyer →
General Services AdministrationMajor purchaser of NAICS Classification 221320
Active Buyer →
Department of Veterans AffairsMajor purchaser of NAICS Classification 221320
Active Buyer →

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Frequently Asked Questions About NAICS 221320

What is NAICS code 221320?

NAICS code 221320 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 221320 contracts?

To bid on NAICS 221320 opportunities, ensure your entity is registered on SAM.gov with NAICS 221320 listed in your assertions, and submit a compliant offer in response to the active solicitation.