Kate Hallahan

🏛️ Revolving Door

Former Government Position:

2006-16, US House: Dem Clerk, Trans Approp SubCmte; 2001-06, US Senate Prof Staff, Sen Trans Approp SubCmte); 2000-01, FAA Dpty Asst Admnstr for Gov & Industry Affairs; 1997-2000, US DoT, Sr Policy Advsr; 1996-97, US DoT: Spec. Asst to the Secy.

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456
Total Filings
1
Firms
30
Clients
15
Issue Areas

Activity by Year

YearFilingsClients
2018268
20194412
20204713
20217720
20227923
20237620
20246218
20254512

Firms

Team Hallahan LLC456 filings

Top Clients

National Business Aviation Association32 filings
Delta Air Lines31 filings
Cj Lake LLC on Behalf of Bart, County of Merced, San Joaquin Cog San J31 filings
Professional Aviation Safety Specialists, Afl-cio29 filings
City of Cleveland (C/o Cleveland Hopkins Int. Airport & Burke Lakefront Airport)26 filings
Molson Coors Beverage Company USA LLC24 filings
Dp Facilities INC.22 filings
Juniper Networks20 filings
Amazon Web Services20 filings
Sullivan Strategies LLC (on Behalf of Jobsohio)20 filings
Alkermes, INC.19 filings
The Roosevelt Group (on Behalf of Lsu Health Sciences Foundation)19 filings
Sullivan Strategies LLC (on Behalf of Glass Aviation Holdings INC.)16 filings
Leidos, INC.16 filings
The Doerrer Group LLC (on Behalf of the City of Cleveland)15 filings
Aireon LLC14 filings
Rowland Strategy Group LLC on Behalf of Bristow Group14 filings
Boom Technology13 filings
Kongsberg Defence and Aerospace INC.10 filings
The Doerrer Group LLC (on Behalf of the Boeing Company)10 filings

Data Sources: Senate LDA Filings

Last updated: February 2026

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