PSC codes › 3655
PSC 3655 — Gas Generating and Dispensing Systems, Fixed or Mobile: federal contracts
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- Portable Special-Purpose High-Purity Nitrogen Generation Systems
- 36--GENERATOR,AIRCRAFT,, IN REPAIR/MODIFICATION OF
- 36--CANISTER
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What PSC 3655 covers
Description: Gas Generating and Dispensing Systems, Fixed or Mobile
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.
Notes: Included in this class are gaseous dispensing systems, both mobile and installed.
Official definition: GSA PSC Manual (PSC April 2025.xlsx), acquisition.gov/psc-manual. Category: Industrial Products & Services › Machinery & Components.
Who is winning new PSC 3655 work
Contractors ranked by obligations on awards that started FY2024–FY2027 to date.
| Contractor | Obligations | Awards |
|---|---|---|
| LINDE ENGINEERING NORTH AMERICA LLC | $24.5M | 1 |
| ATAP INC | $18.6M | 5 |
| TREADWELL CORPORATION (DELAWARE) | $14.4M | 44 |
| MISSION SYSTEMS DAVENPORT INC. | $8.0M | 5 |
| HAMILTON SUNDSTRAND CORPORATION | $6.3M | 10 |
| SES CONSTRUCTORS LLC | $5.6M | 1 |
| SPACELINE TECHNOLOGIES INC. | $4.4M | 1 |
| BONEAL, INCORPORATED | $2.6M | 6 |
| ATLANTIC DIVING SUPPLY, INC. | $2.1M | 8 |
| CHANT ENGINEERING CO INC | $2.1M | 3 |
How competitive is PSC 3655?
- 37.4% of obligations on these awards were competed.
- 30.2% of competed awards that report offers drew a single offer (n=189).
- 61.8% went to small businesses.
- The five largest contractors hold 65.4% across 106 contractors.
NAICS codes used on PSC 3655 awards
| NAICS | Industry | Share |
|---|---|---|
| 336413 | Other Aircraft Parts and Auxiliary Equipment Manufacturing | 29.7% |
| 325120 | Industrial Gas Manufacturing | 23.0% |
| 333998 | All Other Miscellaneous General Purpose Machinery Manufacturing | 11.9% |
| 332919 | Other Metal Valve and Pipe Fitting Manufacturing | 11.0% |
| 237990 | Other Heavy and Civil Engineering Construction | 5.1% |
| 333912 | Air and Gas Compressor Manufacturing | 4.7% |
| 333914 | Measuring, Dispensing, and Other Pumping Equipment Manufacturing | 4.5% |
| 334412 | Bare Printed Circuit Board Manufacturing | 2.9% |
Related PSC codes
5340 Hardware · 4820 Valves, Nonpowered · 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · 4320 Power and Hand Pumps · 4720 Hose and Flexible Tubing · 5330 Packing and Gasket Materials · 4310 Compressors and Vacuum Pumps · 3040 Miscellaneous Power Transmission Equipment
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