PSC 4235: Hazardous Material Spill Containment and Clean – Up Equipment and Material

4235 is the product and service code (PSC) federal agencies use for hazardous material spill containment and clean – up equipment and material, in the fire/rescue/safety; enviro protect group. Here are the contracts open under it now, the NAICS codes it pairs with, and who buys and wins this work.

Open contracts now
3
Spending, FY2026
$11.9 million
Share to small businesses
90%

Open contracts with PSC 4235, due soonest

  • PAD,ABSORBENT,HAZARDOUS MATERIAL

    Dept of Defense · Defense Logistics Agency

    ✦ DLA Aviation wants hazardous material absorbent pads (NSN 4235-014509763) under a 5-year indefinite quantity contract, with no set-aside.

    Clothing & textiles

    Due in 5 daysOct 15, 2026

  • 1050 DENIER BAL NYL

    Dept of Defense · Dept of the Navy

    ✦ NAVSUP Weapon Systems Support (Navy, Mechanicsburg PA) wants quotes for 1050 denier nylon fabric, black, sold by the 50-yard roll.

    Manufactured parts & equipment

    Due in 27 daysNov 5, 2026

  • SPILL CONTAINMENT U

    Dept of Defense · Defense Logistics Agency

    ✦ DLA Aviation plans an unrestricted Indefinite Quantity Contract for a spill containment item (NSN 4235-016688399) with a 5-year base period.

    Medical & healthcare

    Due in 81 daysDec 30, 2026

Where 4235 sits in the PSC Manual

  • Category: Product
  • Group 42: Fire/Rescue/Safety; Enviro Protect
  • Code 4235: Hazardous Material Spill Containment and Clean – Up Equipment and Material

NAICS codes used with PSC 4235

The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with 4235 most often:

NAICSIndustrySpent, last 3 years
333998All Other Miscellaneous General Purpose Machinery Manufacturing$8.8 million
326199All Other Plastics Product Manufacturing$7.5 million
339113Surgical Appliance and Supplies Manufacturing$6.9 million
325612Polish and Other Sanitation Good Manufacturing$5.1 million
313230Nonwoven Fabric Mills$5 million
325998All Other Miscellaneous Chemical Product and Preparation Manufacturing$4.3 million

Who buys under PSC 4235

Agencies with the most contract dollars under 4235 over the last three fiscal years, per USAspending.gov:

AgencyObligated
Defense Logistics Agency$27.3 million
Department of the Navy$10.9 million
Federal Acquisition Service$7 million
Drug Enforcement Administration$4.6 million
Department of the Army$2.6 million
Department of State$1.3 million
Department of the Air Force$740,355
U.S. Coast Guard$616,470

Federal spending under PSC 4235 by year

Fiscal yearContract obligations
FY2024$20.5 million
FY2025$23.2 million
FY2026$11.9 million
FY2027 (so far)$0

Who wins PSC 4235 contracts

CompanyObligated, last 3 years
Isa (Wyoming) Corp$8.9 million
Red Letter Supply, LLC$6.4 million
Parker Systems, Inc.$3.7 million
Elastec Inc$3.4 million
Kampi Components Co Inc$3.3 million
Downeast Logistics LLC$3.2 million
Complete Environmental Products Inc$2.8 million
San Antonio Lighthouse for the Blind$2.2 million
Tava Products LLC$2 million
Sanitz Enterprises, Inc.$1.9 million

Related PSC codes

  • 4210 Fire Fighting Equipment
  • 4220 Marine Lifesaving and Diving Equipment
  • 4230 Decontaminating and Impregnating Equipment
  • 4240 Safety and Rescue Equipment
  • 4250 Recycling and Reclamation Equipment

Frequently asked questions

What is PSC 4235?

4235 is the product code in the federal Product and Service Code (PSC) Manual for hazardous material spill containment and clean – up equipment and material, under 42 (Fire/Rescue/Safety; Enviro Protect). Agencies put a PSC on every contract to record what they bought.

What is the difference between a PSC and a NAICS code?

A PSC describes what the government is buying. A NAICS code describes the industry of the business doing the work, and it sets the SBA size standard for small business set-asides. Every contract notice has both.

Which NAICS code goes with PSC 4235?

Most federal contract dollars under PSC 4235 go with NAICS 333998 (All Other Miscellaneous General Purpose Machinery Manufacturing), according to USAspending.gov. The contracting officer picks the NAICS code for each solicitation, so check the notice.

How do I find contracts that use PSC 4235?

Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 3 open notices use PSC 4235 right now. FedReady can match new ones to your business and email you, free.

Keep going