Marquart Ip LLC
6302 Castle Lane Dr, Houston, TX 77066
Operating signal within 12 months from two or more independent sources.
What they make
Petroleum Lubricating Oil and Grease Manufacturing324191- motor oils
- engine treatments
- modifiers
- TBN boosters
- standalone lubricants
- aerospace
- automotive
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Cokebusters USA Inc | Houston | Petroleum Refineries 324110 | LIKELY ACTIVE | 2.2 KM |
| Capital Gas Logistics & Oil Field Services INC | Spring | Petroleum Refineries 324110 | ACTIVE | 8.3 KM |
| Hanson Pipe & Products INC Jersey Village | Houston | Asphalt Paving Mixture and Block Manufacturing 324121 | LIKELY ACTIVE | 10.4 KM |
| Champion Coatings | Houston | Petroleum Lubricating Oil and Grease Manufacturing 324191 | UNVERIFIED | 10.8 KM |
| Warren Gulf Coast | Houston | Petroleum Lubricating Oil and Grease Manufacturing 324191 | LIKELY ACTIVE | 11.0 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
2 sources hold this plant, and 10 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.
- SAM.gov entity registrationOPERATINGRecord ZWGCRVKXESR9 · first seen MAR 2026 · last seen OCT 2026
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen SEP 2026
IN HARRIS COUNTY94 other plants share this one’s industry (Petroleum and Coal Products Manufacturing, NAICS 3241); 20 of them have a size band on record.
What each source says
Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.
- Name
- SAM.gov: MARQUART IP LLC
- Street address
- SAM.gov: 6302 CASTLE LANE DR
- City
- SAM.gov: HOUSTON
- State
- SAM.gov: TX
- Coordinates
- Census geocoder: 29.951996466564,-95.507459841124 · JUL 2026
- Website
- SAM.gov: www.graphenoil.com
- Year established
- TX Comptroller: 2019 · NOV 2019
- CAGE code
- SAM.gov: 9BHZ9
- SAM registration expires
- SAM.gov: 2027-02-26
- State business registration
- TX Comptroller: MARQUART IP LLC, registered with the Texas Comptroller of Public Accounts; Limited liability company; formed 2019-11-04; active · NOV 2019


