PSC codes › H191
PSC H191 — Quality Control Services: Fuels, Lubricants, Oils, and Waxes: federal contracts
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What PSC H191 covers
Description: Quality Control Services: Fuels, Lubricants, Oils, and Waxes
Official definition: GSA PSC Manual (PSC April 2025.xlsx), acquisition.gov/psc-manual. Category: Equipment Related Services › Quality Control.
Who is winning new PSC H191 work
Contractors ranked by obligations on awards that started FY2024–FY2027 to date.
| Contractor | Obligations | Awards |
|---|---|---|
| INTERTEK USA INC. | $8.9M | 26 |
| SGS GUAM INC | $982K | 4 |
| AMERICAN SOCIETY FOR TESTING AND MATERIALS | $267K | 1 |
| PURODYNE CORP | $227K | 1 |
| MISCELLANEOUS FOREIGN AWARDEES | $215K | 11 |
| MASS TANK INSPECTION SERVICES LLC | $180K | 1 |
| ALS SERVICES USA, CORP. | $170K | 2 |
| JBL.-PRS. JV LLC | $157K | 1 |
| SGS NORTH AMERICA INC. | $148K | 3 |
| ITS TESTING SERVICES UK LTD. SHJ. BR. | $94K | 10 |
How competitive is PSC H191?
- 98.0% of obligations on these awards were competed.
- 37.9% of competed awards that report offers drew a single offer (n=29).
- 5.9% went to small businesses.
- The five largest contractors hold 90.7% across 28 contractors.
NAICS codes used on PSC H191 awards
| NAICS | Industry | Share |
|---|---|---|
| 541380 | Testing Laboratories and Services | 92.1% |
| 811310 | Commercial and Industrial Machinery and Equipment (Except Automotive and Electronic) Repair and Maintenance | 1.9% |
| 237120 | Oil and Gas Pipeline and Related Structures Construction | 1.5% |
| 561210 | Facilities Support Services | 1.4% |
| 457210 | Fuel Dealers | 0.9% |
| 324191 | Petroleum Lubricating Oil and Grease Manufacturing | 0.8% |
| 562910 | Remediation Services | 0.5% |
| 562998 | All Other Miscellaneous Waste Management Services | 0.2% |
Related PSC codes
R499 Other Professional Services · J045 Maint/Repair/Rebuild of Equipment: Plumbing, Heating, and Waste Disposal Equipment · R425 Engineering and Technical Services · J091 Maintenance, Repair and Rebuilding of Equipment: Fuels, Lubricants, Oils, and Waxes · S204 Fueling and Other Petroleum Services - Excluding Storage · 9130 Liquid Propellants and Fuels, Petroleum Base · 7A21 Business Application Software (Perpetual License Software) · F999 Other Environmental Services, Studies, and Analytical Support
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