Capitol Clarity / Lobbyists / H / Thomas Hassenboehler

Thomas Hassenboehler: federal lobbyist

Thomas Hassenboehler is named as a lobbyist on federal disclosure filings for 4 clients through Co2efficient LLC. The most recent filing naming them posted in November 2026. Issues reported include Energy/Nuclear, Clean Air and Water (quality) and Science/Technology.

4Clients on filings

1Registrants

3Issue categories

2Years with reports

Former government positions listed

Filers must list covered executive or legislative branch positions held. As filed:

Chief Counsel/Counsel for Energy and Environment, US House Energy and Commerce Committee; Counsel Senate Environment and Public Works; LA Congressman Tauzin

Clients and registrants

Client	Registrant	Latest	Issues
NATURAL GAS INNOVATION NETWORK (FORMERLY KNOWN DIFFERENTIATED GAS COORD. CNCL)	CO2EFFICIENT LLC	Q3 2026	Clean Air and Water (quality)
ELECTRICITY CUSTOMER NETWORK (FORMERLY REPORTED AS ELECTRICITY CUSTOMER ALLIANCE	CO2EFFICIENT LLC	Q3 2026	Energy/Nuclear
AI SUPPLY CHAIN ALLIANCE (INFORMAL COALITION)	CO2EFFICIENT LLC	Q3 2026	Science/Technology, Energy/Nuclear, Computer Industry
NATIONAL ASSOCIATION OF STATE ENERGY OFFICIALS	CO2EFFICIENT LLC	Q3 2026	Energy/Nuclear

Activity by year

Year	Clients	Registrants
2026	4	1
2025	4	1

Contributions reported on Form LD-203

Year	Items	Total
2026	1	$2K

Pay is not disclosed for individual lobbyists. Filings do not confirm that records with the same name are one person, so this page may combine people who share the name Thomas Hassenboehler. See the Capitol Clarity rankings and method.