EntityWire

EntityWire / EIN 04-3536131

Employer with a benefit plan

TECOGEN, INC.

EIN 04-3536131. What DOL Form 5500-SF filings (EFAST2) and SEC EDGAR company filings say about this entity, with the source and date on every fact. Latest record 2026-09-04.

Employer with a benefit plan ยท SEC filer

TECOGEN, INC.

76 TREBLE COVE ROAD, NORTH BILLERICA, MA 01862

EIN

04-3536131

SEC CIK

0001537435

SEC · 2026-09-04

Industry (SIC)

Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585)

SEC · 2026-09-04

State of incorporation

DE

SEC · 2026-09-04

Ticker

TGEN

SEC · 2026-09-04

Latest SEC filing

424B3 2026-09-04

SEC · 2026-09-04

Benefit plan 1, 2024 filing

TECOGEN 401(K) RETIREMENT SAVINGS PLAN

DOL · 2025-10-03

Participants (start of year)

122

DOL · 2025-10-03

Plan assets (end of year)

$8,301,284

DOL · 2025-10-03

Plan features

code 2F2G2K2T3D

DOL · 2025-10-03

Plan type

Multiemployer plan

DOL · 2025-10-03

Business code (NAICS)

333410

DOL · 2025-10-03

Benefit plan 1, 2023 filing

TECOGEN 401(K) RETIREMENT SAVINGS PLAN

DOL · 2024-06-13

Participants (start of year)

120

DOL · 2024-06-13

Plan assets (end of year)

$8,616,585

DOL · 2024-06-13

From DOL Form 5500-SF filings (EFAST2) · SEC EDGAR company filings. Latest record 2026-09-04.

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