Tecogen INC

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
Boston Cryogenics LLC	Billerica	Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing 333415	● ACTIVE	14.0 KM
Pascal Technologies INC.	Cambridge	Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing 333415	● ACTIVE	11.9 KM
KMKoch Membrane	Wilmington	Industrial Machinery Manufacturing 333294	◐ LIKELY ACTIVE	17.4 KM
Tecogen INC.	North Billerica	Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing 333415	● ACTIVE	19.9 KM
LILytron INC	Woburn	Power Boiler and Heat Exchanger Manufacturing 332410	◐ LIKELY ACTIVE	17.3 KM

Every listed plant in Middlesex County

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.

EPA cross-references this facility in AIR, AIRS/AFS, EIS, MA-EPICS, RCRAINFO · EPA site type STATIONARY.

• SBA Paycheck Protection Program loan recordsEXISTENCE
  Record MA|waltham|45 first ave · first seen APR 2020 · last seen JAN 2021
• EPA Facility Registry ServiceEXISTENCE
  Record 110007370095 · first seen JUN 2017 · last seen JUN 2017

IN MIDDLESEX COUNTY15 other plants share this one’s industry (Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing, NAICS 3334); 6 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: TECOGEN INC · OCT 2026

Street address

EPA: 45 FIRST AVE · OCT 2026

City

EPA: WALTHAM · OCT 2026

State

EPA: MA · OCT 2026

County (FIPS code)

EPA: 25017 · OCT 2026

Coordinates

EPA: 42.39533,-71.26749 · OCT 2026

Employees (band)

SBA PPP: 20-99 · APR 2020

PPP loan

SBA PPP: PPP loan x1, approved 2020-04-16, 92 jobs reported · APR 2020

Hazardous waste generator (RCRA)

EPA ECHO: none · OCT 2026

State business registration

VA SCC: Tecogen Inc., registered with the Virginia State Corporation Commission; Corporation formed in Delaware; registered 2016-10-17; active · OCT 2016