De Dietrich Process Systems INC
244 Sheffield St, Mountainside, NJ 07092
Operating signal within 12 months from two or more independent sources.
What they make
Fabricated Structural Metal Manufacturing332312- chemical
- pharmaceutical
- reactors
- filters
- dryers
- powder handling
- mixing
- agitation
- engineering services
- project management
- exhaust gas treatment
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| N.j. Precision Technologies, INC. | Mountainside | Machine Shops 332710 | ACTIVE | 0.2 KM |
| Well Bilt Power Systems LLC | Springfield | Machine Shops 332710 | ACTIVE | 1.9 KM |
| White Conveyors, INC. | Kenilworth | Metal Window and Door Manufacturing 332321 | ACTIVE | 3.5 KM |
| American Products CO INC | Union | Machine Shops 332710 | ACTIVE | 3.7 KM |
| Ef Britten & CO INC | Cranford | Plate Work Manufacturing 332313 | UNVERIFIED | 4.5 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
3 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.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen SEP 2026
- SAM.gov entity registrationOPERATINGRecord VG5WGPNENV65 · first seen DEC 2025 · last seen DEC 2025
- DOL Form 5500 retirement plan filingsOPERATINGRecord 222138002|NJ|07092|244 sheffield st · first seen DEC 2024 · last seen DEC 2024
IN UNION COUNTY16 other plants share this one’s industry (Architectural and Structural Metals Manufacturing, NAICS 3323); 8 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: DE DIETRICH PROCESS SYSTEMS INC · DEC 2025
- Street address
- SAM.gov: 244 SHEFFIELD ST · DEC 2025
- City
- SAM.gov: MOUNTAINSIDE · DEC 2025
- State
- SAM.gov: NJ · DEC 2025
- Coordinates
- Census geocoder: 40.685711034269,-74.340570049537 · JUL 2026
- Employees (band)
- DOL: 20-99 · DEC 2024
- Website
- SAM.gov: http://www.ddpsinc.com · DEC 2025
- CAGE code
- SAM.gov: 64HU9 · DEC 2025
- Retirement plan filing (Form 5500)
- DOL: 91 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
- SAM registration expires
- SAM.gov: 2026-12-15 · DEC 2025