Monarch Welding & Engineering INC
23635 Mound Rd, Warren, MI 48091
Operating signal within 12 months from two or more independent sources.
What they make
Power Boiler and Heat Exchanger Manufacturing332410- iron-workers
- 150 customers
- 24/7 service calls
- environmental awareness
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Aatanks, LLC | Warren | Metal Tank (Heavy Gauge) Manufacturing 332420 | ACTIVE | 2.3 KM |
| Futuramic Tool & Engineering CO | Warren | Machine Shops 332710 | ACTIVE | 3.7 KM |
| Central Metal Products | Warren | Other Metal Container Manufacturing 332439 | UNVERIFIED | 4.3 KM |
| Repair Industries of Michigan | Detroit | Other Metal Container Manufacturing 332439 | LIKELY ACTIVE | 5.4 KM |
| Airtec CORP | Detroit | Sheet Metal Work Manufacturing 332322 | ACTIVE | 6.3 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
3 sources hold this plant, and 9 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 RCRAINFO · EPA site type STATIONARY.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen AUG 2026
- SAM.gov entity registrationOPERATINGRecord TD2VMCAESY35 · first seen NOV 2025 · last seen NOV 2025
- EPA Facility Registry ServiceEXISTENCERecord 110070541206 · first seen APR 2019 · last seen APR 2019
IN MACOMB COUNTY7 other plants share this one’s industry (Boiler, Tank, and Shipping Container Manufacturing, NAICS 3324); 2 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
- EPA: MONARCH WELDING & ENGINEERING INC · JUL 2026 · ON THIS PAGE
- SAM.gov: MONARCH WELDING & ENGINEERING INC · NOV 2025 · ON THIS PAGE
- Street address
- EPA: 23635 MOUND RD · JUL 2026 · ON THIS PAGE
- SAM.gov: 23635 MOUND RD · NOV 2025 · ON THIS PAGE
- City
- EPA: WARREN · JUL 2026 · ON THIS PAGE
- SAM.gov: WARREN · NOV 2025 · ON THIS PAGE
- State
- EPA: MI · JUL 2026 · ON THIS PAGE
- SAM.gov: MI · NOV 2025 · ON THIS PAGE
- County (FIPS code)
- EPA: 26099 · SEP 2026
- CoordinatesSOURCES DISAGREE
- Census geocoder: 42.467551801923,-83.045366435234 · JUL 2026 · ON THIS PAGE
- EPA: 42.46719,-83.04526 · JUL 2026
- Website
- SAM.gov: www.monarchwelding.com · NOV 2025
- CAGE code
- SAM.gov: 1JRY2 · NOV 2025
- SAM registration expires
- SAM.gov: 2026-10-30 · NOV 2025