PSC 3655: Gas Generating and Dispensing Systems, Fixed or Mobile

Product code

Code facts

Spend category
Industrial Products & Services Machinery & Components
Contract awards
108 In the last 12 months
Contract obligations
$62,103,308 In FY2025

PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.

Contract obligations by fiscal year

Fiscal year Obligated
FY2027 To date $0
FY2026 $29,542,396
FY2025 $62,103,308
FY2024 $19,717,287
FY2023 $29,504,805

Top contractors by obligations

Rank Contractor Obligated, FY2026–FY2027 Share
1 Linde Engineering North America LLC $11,503,857
2 Treadwell Corporation (Delaware) $4,974,181
3 Spaceline Technologies Inc. $4,443,600
4 Greene Machine & Manufacturing Inc. $4,111,650
5 Chant Engineering Co Inc. $1,927,300
6 Mission Systems Davenport Inc. $1,796,991
7 S & K Aerospace, LLC $1,790,010
8 Hamilton Sundstrand Corporation $1,056,722
9 WGL Energy Services, Inc. $1,026,100
10 Integrated Procurement Technologies $1,020,722

Top funding agencies by obligations

Rank Agency Obligated, FY2026–FY2027 Share
1 National Aeronautics and Space Administration $15,947,457
2 Air Force Department of Defense $6,307,329
3 Defense Logistics Agency Department of Defense $4,283,084
4 Department of the Army Department of Defense $1,181,203
5 Department of Homeland Security $1,091,392
6 Department of the Navy Department of Defense $475,926
7 Department of Justice $90,714
8 Department of Health and Human Services $87,675
9 Department of State $77,618

Contract obligations by state

Rank Place of performance Obligated, last 12 months Share
1 Texas $11,503,857
2 Connecticut $6,105,658
3 Georgia $4,542,051
4 Florida $4,494,777
5 Pennsylvania $1,957,845
6 Iowa $1,796,991
7 California $1,794,474
8 Maryland $1,303,406
9 Ohio $1,169,076
10 Oregon $969,252
11 Missouri $385,783
12 Mississippi $164,774
13 New York $118,095
14 Colorado $114,821
15 District of Columbia $104,518
16 Massachusetts $100,223
17 Kentucky $86,628
18 Oklahoma $82,705
19 Nevada $77,618
20 Alabama $31,225
21 North Carolina $15,898
22 Washington $15,025
Show all 22

Shares are of everything obligated under PSC 3655 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.

Contract opportunities

Notice Posted Due
MQ-4C Nitrogen Servicing Units Award Notice · Naval Air Warfare Center (NAVAIR) · N6833526Q1160 —
Generator, aircraft, , in repair/modification of Solicitation · Naval Supply Systems Command (Navy) · N0038326RLB18
Portable Special-Purpose High-Purity Nitrogen Generation Systems Pre-Solicitation · Naval Supply Systems Command (Navy)
Chlorinator, ECG Limited / Sole Source Justification · Naval Supply Systems Command (Navy) · N0010425RFC73 —
Chlorinator, ECG Award Notice · Naval Supply Systems Command (Navy) · N0010425RFC73 —
Controller, cell MON, in repair/modification of Solicitation · Naval Supply Systems Command (Navy) · N0010426QYAE1
Air separation modu Solicitation · Naval Supply Systems Command (Navy) · N0038326RHA86
Regulator, flow CON Solicitation · Naval Supply Systems Command (Navy)
Japan E-2D Oxygen Servicing Cart Pre-Solicitation · Naval Air Warfare Center (NAVAIR)
ECG refurbish kit Limited / Sole Source Justification · Naval Supply Systems Command (Navy) · N0010426CFA271 —
Controller, cell MON, in repair/modification of Pre-Solicitation · Naval Supply Systems Command (Navy) · N0010426QYAE1
Nitrogen compressor Solicitation · Air Combat Command (USAF)
Generator, aircraft, , in repair/modification of Pre-Solicitation · Naval Supply Systems Command (Navy) · N0038326RLB18
ECG refurbish kit Award Notice · Naval Supply Systems Command (Navy) · N0010426RFC99 —
Air separation modu Pre-Solicitation · Naval Supply Systems Command (Navy) · N0038326RHA86
Bladder oxygen generator Pre-Solicitation · Aviation (DLA)
Purchase of Purge Kits Award Notice · Coast Guard · 70Z03826PD0000049 —
Ultra High Purity Nitrogen Generator Solicitation · Department of Energy
Mobile Breathing System Solicitation · Global Strike Command (USAF)
Purchase of Purge Kits Solicitation · Coast Guard · 70Z03826QE0000054
1232SA26Q1206 – Amendment 0001 Combo Synopsis/Solicitation Liquid Nitrogen Generator USDA-ARS-PWA Hilo HI Solicitation · Agricultural Research Service
NOTICE OF INTENT TO SOLE SOURCE: USAFA Liquid Nitrogen Plant/Generator Special Notice · Air Force Academy (HAF)
Intent to Solicit Only One Source for Five (5) lapping systems with accompanying cabinetry for housing the lapping system and associated consumables. Solicitation · ACC Aberdeen Proving Ground
Emergency Generators Sources Sought Notice Pre-Solicitation · Air Mobility Command (USAF)
Nitrogen Generator System Solicitation · Air Mobility Command (USAF)
MQ-4C Nitrogen Servicing Units Solicitation · Naval Air Warfare Center (NAVAIR) · N6833526Q1160
Canister Pre-Solicitation · Naval Supply Systems Command (Navy) · N0010426QFG27
Canister Solicitation · Naval Supply Systems Command (Navy) · N0010426QFG27
Cell, electrolytic, in repair/modification of Solicitation · Naval Supply Systems Command (Navy) · N0010426RYAAY
USAFA Liquid Nitrogen Plant/Generator Pre-Solicitation · Air Force Academy (HAF)
Module assembly, PO Solicitation · Naval Supply Systems Command (Navy)
Liquid end, pump, in repair/modification of Solicitation · Naval Supply Systems Command (Navy) · N0010426QYAB6
Liquid end, pump, in repair/modification of Pre-Solicitation · Naval Supply Systems Command (Navy) · N0010426QYAB6
Cell, electrolytic, in repair/modification of Pre-Solicitation · Naval Supply Systems Command (Navy) · N0010426RYAAY
Notice of Award Award Notice · Naval Supply Systems Command (Navy) —
500 Gallon Lox Trailer Pre-Solicitation · Naval Air Warfare Center (NAVAIR) · N6833526R1092
500 Gallon Lox Trailer Pre-Solicitation · Naval Air Warfare Center (NAVAIR) · N6833526R1092
Ozone Carts Award Notice · Air Force Sustainment Center (AFMC) · FA812526P0055 —
Special Notice to Sole Source Purchase of Supply BLS Gas Flow Controller Special Notice · Engineer Research and Development Center (USACE)
Treadwell CAGE 81412 BOA Renewal Solicitation · Naval Supply Systems Command (Navy)
Cell, electrolytic, in repair/modification of Award Notice · Naval Supply Systems Command (Navy) · N0010426RYA4H —
Chlorinator, ECG Solicitation · Naval Supply Systems Command (Navy) · N0010426QFE25
ECG refurbish kit Solicitation · Naval Supply Systems Command (Navy) · N0010426RFC99
Ozone Carts Solicitation · Air Force Sustainment Center (AFMC) · FA8125-26-Q-0058
Ozone Carts Pre-Solicitation · Air Force Sustainment Center (AFMC) · FA8125-26-Q-0058
ECG refurbish kit Pre-Solicitation · Naval Supply Systems Command (Navy) · N0010426RFC99
Regulator, flow CON, in repair/modification of Award Notice · Naval Supply Systems Command (Navy) —
Eliminator, vibrator Solicitation · Naval Supply Systems Command (Navy)
Process Gas Line Installation to Support Bosch-optimized ICP-DRIE Plasma Etch System Solicitation · Office of Naval Research (SECNAV)
Regulator and hose Pre-Solicitation · Aviation (DLA)
Show 40 more

Latest 50 of 373 listed here. See the rest on GovTribe.

Definition

Includes: Liquefied gaseous storage tanks, mounted on a common base with, or integral to, gas generating equipment included in this class. Also includes those liquefied gaseous storage tanks, either trailer mounted or skid mounted, used to store liquefied gaseous products until needed. Excluded from this class are those storage tanks designed to be used as an integral part of guided missile propellant servicing trailers, rocket power plants or test stations, and aircraft oxygen converters which are classified as specified by the indexes and structure of the FSC.

Excludes: Meteorological Equipment. Included in this class are gaseous dispensing systems, both mobile and installed.

Quick answers

What is PSC 3655?

PSC 3655 is Gas Generating and Dispensing Systems, Fixed or Mobile, a product code in PSC 36, Special Industry Machinery.

How much do federal agencies spend under PSC 3655?

Federal contracts under PSC 3655 obligated $62,103,308 in fiscal year 2025 and $140,867,795 in fiscal years 2023 through 2027.

Who are the largest contractors under PSC 3655?

The contractors with the most obligated under PSC 3655 in fiscal years 2026 and 2027 are Linde Engineering North America LLC ($11,503,857), Treadwell Corporation (Delaware) ($4,974,181) and Spaceline Technologies Inc. ($4,443,600).

Which agencies buy the most under PSC 3655?

The agencies that obligated the most under PSC 3655 in fiscal years 2026 and 2027 are National Aeronautics and Space Administration ($15,947,457), Air Force ($6,307,329) and Defense Logistics Agency ($4,283,084).

Which NAICS codes are used with PSC 3655?

The NAICS codes with the most obligated under PSC 3655 in fiscal years 2026 and 2027 are 325120 Industrial Gas Manufacturing; 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing; and 333914 Measuring, Dispensing, and Other Pumping Equipment Manufacturing.

Where is the work under PSC 3655 performed?

By place of performance, the states with the most contract obligations under PSC 3655 over the last 12 months are Texas ($11,503,857), Connecticut ($6,105,658) and Georgia ($4,542,051).

What is the latest contract opportunity under PSC 3655?

The latest contract opportunity under PSC 3655 is MQ-4C Nitrogen Servicing Units, award notice from Naval Air Warfare Center (NAVAIR), posted October 15, 2026.

On GovTribe

See everything under PSC 3655

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