De Perini Metal Fabricators, INC.
8021 Queenair Dr, Gaithersburg, MD 20879
Operating signal within 12 months from two or more independent sources.
What they make
Sheet Metal Work Manufacturing332322- full implementation
- ISO 9001
- aluminum
- steel
- copper
- bar stock
- plastics
- prototyping
- easily accessible
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
CERTIFICATIONS — LISTED ON THE COMPANY’S WEBSITE
- RoHS
Read from this company’s own website on September 11, 2026. Nobody at the facility has confirmed it here, and FactoryRegistry has not verified these — unlike operating status, which comes from independent public records. A certificate can lapse without the website changing, so ask the facility for current ones.
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Patton, LLC | Gaithersburg | Computer Terminal and Other Computer Peripheral Equipment Manufacturing 334118 | ACTIVE | 0.6 KM |
| Custom Sheet Metal, INC. | Gaithersburg | Sheet Metal Work Manufacturing 332322 | UNVERIFIED | 0.9 KM |
| Rockville Steel & Manufacturing CO | Gaithersburg | All Other Miscellaneous Fabricated Metal Product Manufacturing 332999 | ACTIVE | 1.0 KM |
| Apricot INC | Gaithersburg | Commercial and Service Industry Machinery Manufacturing 333310 | ACTIVE | 6.5 KM |
| Metal Raps | Rockville | Sheet Metal Work Manufacturing 332322 | LIKELY ACTIVE | 8.9 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
4 sources hold this plant, and 11 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.
EPA cross-references this facility in AIR, AIRS/AFS, MD-PEMIS, MD-RCRA, RCRAINFO · EPA site type STATIONARY.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord ZLH2LZD9EG48 · first seen MAY 2026 · last seen MAY 2026
- EPA Facility Registry ServiceEXISTENCERecord 110001852861 · first seen JAN 2015 · last seen OCT 2025
- DOL Form 5500 retirement plan filingsOPERATINGRecord 520815185|MD|20879|8021 queenair dr · first seen DEC 2024 · last seen DEC 2024
ALSO RECORDED ASDEPERINI METAL FABRICATORS; DEPRINI METAL FABRICATORS. INC
IN MONTGOMERY COUNTY8 other plants share this one’s industry (Architectural and Structural Metals Manufacturing, NAICS 3323); 3 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.
- NameSOURCES DISAGREE
- EPA: DEPERINI METAL FABRICATORS · JUL 2026
- SAM.gov: DE PERINI METAL FABRICATORS, INC. · MAY 2026 · ON THIS PAGE
- Street addressSOURCES DISAGREE
- EPA: 8021 QUEENAIR DRIVE · JUL 2026
- SAM.gov: 8021 QUEENAIR DR · MAY 2026 · ON THIS PAGE
- City
- EPA: GAITHERSBURG · JUL 2026 · ON THIS PAGE
- SAM.gov: GAITHERSBURG · MAY 2026 · ON THIS PAGE
- State
- EPA: MD · JUL 2026 · ON THIS PAGE
- SAM.gov: MD · MAY 2026 · ON THIS PAGE
- County (FIPS code)
- EPA: 24031 · SEP 2026
- Coordinates
- Census geocoder: 39.171071130433,-77.16379108637 · JUL 2026 · ON THIS PAGE
- EPA: 39.17096,-77.16374 · JUL 2026 · ON THIS PAGE
- Website
- SAM.gov: www.deperini.com · MAY 2026
- Year established
- Company website: 1960 · AUG 2026
- CAGE code
- SAM.gov: 0PLT3 · MAY 2026
- Retirement plan filing (Form 5500)
- DOL: 0 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
- SAM registration expires
- SAM.gov: 2027-05-26 · MAY 2026


