Comnav Engineering INC
430 Riverside St, Portland, ME 04103
Operating signal within 12 months from two or more independent sources.
What they make
Other Electronic Component Manufacturing334419Products
Recorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.
Where these came from
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Diodes US Manufacturing Incorporated | South Portland | Semiconductor and Related Device Manufacturing 334413 | LIKELY ACTIVE | 5.5 KM |
| South Portland (2) | South Portland | Semiconductor and Related Device Manufacturing 334413 | LIKELY ACTIVE | 5.5 KM |
| Texas Instruments Manufacturing Facility | South Portland | Semiconductor Machinery Manufacturing 333242 | LIKELY ACTIVE | 5.6 KM |
| David Saunders INC | South Portland | Printed Circuit Assembly (Electronic Assembly) Manufacturing 334418 | ACTIVE | 6.4 KM |
| Microwave Techniques LLC | Gorham | Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 334220 | ACTIVE | 5.5 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
5 sources hold this plant, and 13 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 OCT 2026
- SAM.gov entity registrationOPERATINGRecord H3MUPC8K74J7 · first seen DEC 2025 · last seen DEC 2025
- DOL Form 5500 retirement plan filingsOPERATINGRecord 010491425|ME|04103|430 riverside st · first seen DEC 2024 · last seen DEC 2024
- SBA Paycheck Protection Program loan recordsEXISTENCERecord ME|portland|430 riverside st · first seen MAY 2020 · last seen MAY 2020
- EPA Facility Registry ServiceEXISTENCERecord 110046237586 · first seen MAR 2014 · last seen MAR 2014
IN CUMBERLAND COUNTY7 other plants share this one’s industry (Semiconductor and Other Electronic Component Manufacturing, NAICS 3344); 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.
- Name
- EPA: COMNAV ENGINEERING INC. · JUL 2026 · ON THIS PAGE
- SAM.gov: COMNAV ENGINEERING INC · DEC 2025 · ON THIS PAGE
- Street addressSOURCES DISAGREE
- EPA: 430 RIVERSIDE STREET · JUL 2026
- SAM.gov: 430 RIVERSIDE ST · DEC 2025 · ON THIS PAGE
- City
- EPA: PORTLAND · JUL 2026 · ON THIS PAGE
- SAM.gov: PORTLAND · DEC 2025 · ON THIS PAGE
- State
- EPA: ME · JUL 2026 · ON THIS PAGE
- SAM.gov: ME · DEC 2025 · ON THIS PAGE
- County (FIPS code)
- EPA: 23005 · SEP 2026
- Coordinates
- EPA: 43.69046,-70.32602 · JUL 2026
- Employees (band)
- DOL: 20-99 · DEC 2024
- Website
- SAM.gov: www.comnav-eng.com · DEC 2025
- Year established
- Company website: 1991 · AUG 2026
- CAGE code
- SAM.gov: 1ZB76 · DEC 2025
- Retirement plan filing (Form 5500)
- DOL: 27 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
- PPP loan
- SBA PPP: PPP loan x1, approved 2020-05-12, 28 jobs reported · MAY 2020
- SAM registration expires
- SAM.gov: 2026-12-03 · DEC 2025