Lobbying firms

Every registrant in the lobbying register: firms that lobby for clients, organizations that register to lobby for themselves, and self-employed lobbyists.

14 firms under X
FirmLocationYears active
X CORP. (FORMERLY TWITTER, INC.) Bastrop, TX Active 2013–2026
X-BOW LAUNCH SYSTEMS INC. DBA X-BOW SYSTEMS INC. Albuquerque, NM Active 2024–2026
X-RAY OPTICAL SYSTEMS, INC. East Greenbush, NY Active 2007–2008
XAVIER EQUIHUA Washington, DC Active 2007–2013
XCEL ENERGY, INC WASHINGTON, DC Active 2007–2026
XENOPHON STRATEGIES WASHINGTON, DC Active 2007–2015
XEROX CORPORATION WASHINGTON, DC Active 2007–2025
XLA ADVISORS, LLC Wyckoff, NJ Active 2025–2026
XLHEALTH CORPORATION Baltimore, MD Active 2009–2012
XM SATELLITE RADIO INC. WASHINGTON, DC Active 2007–2009
XO COMMUNICATIONS Herndon, VA Active 2007–2017
XOMA CORPORATION (FKA XOMA (US) LLC) Berkeley, CA Active 2008–2015
XR ASSOCIATION WASHINGTON, DC Active 2020–2026
XYLEM INC. Washington D.C., DC Active 2020–2026

Names and addresses as the register lists them. Years active spans the first and latest year of any filing by the registrant, including registrations and amendments.