House ID Tips
- Use your full 9 digit House ID when filing a lobby report for a client.
- Only use the registrant portion of your House ID (the first 5 digits) when registering new clients.
- See Understanding Your House ID for additional help.
Find Your House ID Number
Currently active lobbying registrants can search for their House ID Number.
Registrant Name:
View Alphabetically:
Results Found: 67
- OBADAL, FILLER, MACLEOD & KLEIN, P.L.C.
- Obermayer Rebmann Maxwell & Hippel LLP
- O'Brien & Associates
- O'Brien DC
- OCCIDENTAL PETROLEUM CORPORATION
- Ocean Champions
- Ocean Conservancy
- Ocean Safari Logistics Attn: Richard J. Douglas, Founder
- OCEANA, INC.
- OCEANS & INTERNATIONAL
- OCHSNER CLINIC FOUNDATION
- O'Donoghue & O'Donoghue LLP
- Offshore Marine Service Association
- Ogilvy Government Relations
- OGLETHORPE POWER CORPORATION
- Oglethorpe Public Affairs Group, Inc.
- Ogletree Government Affairs, Inc.
- Ohio Farm Bureau Federation
- OHIO HOSPITAL ASSOCIATION
- OHIO MUNICIPAL ELECTRIC ASSOCIATION
- Oil Companies International Marine Forum
- OLDAKER GROUP, LLC
- OLDAKER, BELAIR & WITTIE LLP
- OLDCASTLE MATERIALS INC
- Olsson Frank Weeda Terman Bode Matz PC
- Omaha Public Power District
- Omer F. Brown, II Law Office
- Omnicare, Inc.
- Oncology Nursing Society
- ONE Action
- One Hope United
- O'Neill and Associates
- O'NEILL, ATHY & CASEY, P.C.
- OnePoint Public & Private Solutions, LLC
- Online Publishers Association, Inc.
- OnPoint Strategies
- OnTrackAmerica
- OPASTCO
- Open Internet Coalition
- Open Society Policy Center, Inc.
- Open Space Institute, Inc.
- OPERA America
- Opportunity Finance Network-Formerly National Community Cap
- ORACLE CORPORATION
- ORBITAL SCIENCES CORPORATION
- Orbitz Worldwide
- Oregon Farm Bureau Federation
- OREGON HEALTH & SCIENCE UNIVERSITY
- OREGON STATE UNIVERSITY
- Organic Trade Association
- Organization for International Investment
- Orion Advocates
- Orion Strategies LLC
- Orrick, Herrington & Sutcliffe LLP
- Osborne Consulting, Inc.
- OSF HEALTHCARE SYSTEM
- OSI Pharmaceuticals, Inc.
- OSI RESTAURANT PARTNERS, LLC
- Otterson LLC
- OUTDOOR ADVERTISING ASSOCIATION OF AMERICA, INC.
- OUTDOOR INDUSTRY ASSOCIATION
- OVARIAN CANCER NATIONAL ALLIANCE
- Overton Group, Inc.
- Owens Corning
- OWENS-ILLINOIS, INC
- OWNER-OPERATOR INDEPENDENT DRIVERS ASSOCIATION
- Oxfam America, Inc