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: 66
- OBADAL, FILLER, MACLEOD & KLEIN, P.L.C.
- OBER KALER GRIMES & SHRIVER
- OB-GYNS FOR WOMEN'S HEALTH
- O'Brien & Associates
- O'Brien DC
- OCCIDENTAL PETROLEUM CORPORATION
- Ocean Champions
- Ocean Conservancy
- OCEANA, INC.
- OCEANS & INTERNATIONAL
- OCHSNER CLINIC FOUNDATION
- O'DONNELL SCHWARTZ & ANDERSON, P.C.
- O'Donoghue & O'Donoghue LLP
- Offshore Marine Service Association
- Ogilvy Government Relations
- OGLETHORPE POWER CORPORATION
- Ohio Farm Bureau Federation
- OHIO HOSPITAL ASSOCIATION
- OHIO MUNICIPAL ELECTRIC ASSOCIATION
- Oil Companies International Marine Forum
- OKLAHOMA STATE UNIVERSITY
- Oldaker, Biden & Belair LLP
- OLDCASTLE MATERIALS INC
- OLIVE EDWARDS & COOPER
- Olsson Frank Weeda Terman Bode Matz PC
- Omaha Public Power District
- O'Melveny & Myers LLP
- Omnicare, Inc.
- Oncology Nursing Society
- O'Neill and Associates
- O'NEILL, ATHY & CASEY, P.C.
- OPASTCO
- Open Internet Coalition
- Open Society Policy Center, Inc.
- OPERA America
- Opportunity Finance Network-Formerly National Community Cap
- OPTICIANS ASSOCIATION OF AMERICA
- ORACLE CORPORATION
- ORASURE TECHNOLOGIES, INC
- ORBITAL SCIENCES CORPORATION
- Orbitz Worldwide
- ORBITZ, LLC
- 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 RESTAURANT PARTNERS, LLC
- OTTO REICH ASSOCIATES, LLC
- Ottosen & Associates
- Ounce of Prevention Fund
- OUTDOOR ADVERTISING ASSOCIATION OF AMERICA, INC.
- OUTDOOR INDUSTRY ASSOCIATION
- OUTDOOR POWER EQUIPMENT INSTITUTE, INC.
- OVARIAN CANCER NATIONAL ALLIANCE
- Overton Group, INC
- Owens Corning
- OWENS-ILLINOIS, INC
- OWNER-OPERATOR INDEPENDENT DRIVERS ASSOCIATION
- Oxfam America, Inc
- Oxley Consulting, LLC