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

  1. OBADAL, FILLER, MACLEOD & KLEIN, P.L.C.
  2. OB-GYNS FOR WOMEN'S HEALTH
  3. O'Brien & Associates
  4. O'Brien DC
  5. OCCIDENTAL PETROLEUM CORPORATION
  6. Ocean Champions
  7. Ocean Conservancy
  8. OCEANA, INC.
  9. OCEANS & INTERNATIONAL
  10. OCHSNER CLINIC FOUNDATION
  11. Offshore Marine Service Association
  12. Ogilvy Government Relations
  13. OGLETHORPE POWER CORPORATION
  14. Oglethorpe Public Affairs Group, Inc.
  15. Ohio Farm Bureau Federation
  16. OHIO HOSPITAL ASSOCIATION
  17. OHIO MUNICIPAL ELECTRIC ASSOCIATION
  18. Oil Companies International Marine Forum
  19. Oldaker Belair & Wittie, LLP (Formerly Oldaker Biden & Belair, LLP)
  20. OLDAKER GROUP, LLC
  21. OLDCASTLE MATERIALS INC
  22. Olsson Frank Weeda Terman Bode Matz PC
  23. Omaha Public Power District
  24. Omer F. Brown, II Law Office
  25. Omnicare, Inc.
  26. Oncology Nursing Society
  27. ONE Campaign
  28. O'Neill and Associates
  29. O'NEILL, ATHY & CASEY, P.C.
  30. Online Publishers Association, Inc.
  31. OnPoint Strategies
  32. OnTrackAmerica
  33. OPASTCO
  34. Open Internet Coalition
  35. Open Society Policy Center, Inc.
  36. Open Space Institute, Inc.
  37. OPERA America
  38. Opportunity Finance Network-Formerly National Community Cap
  39. OPTICIANS ASSOCIATION OF AMERICA
  40. Optim Group, LLC
  41. ORACLE CORPORATION
  42. ORASURE TECHNOLOGIES, INC
  43. ORBITAL SCIENCES CORPORATION
  44. Orbitz Worldwide
  45. Oregon Farm Bureau Federation
  46. OREGON HEALTH & SCIENCE UNIVERSITY
  47. OREGON STATE UNIVERSITY
  48. Organization for International Investment
  49. Orion Advocates
  50. Orion Strategies LLC
  51. Osborne Consulting, Inc
  52. OSF HEALTHCARE SYSTEM
  53. Oshana Strategic Consulting
  54. OSI Pharmaceuticals, Inc.
  55. OSI RESTAURANT PARTNERS, LLC
  56. Otterson LLC
  57. Otto Reich Associates, LLC
  58. OUTDOOR ADVERTISING ASSOCIATION OF AMERICA, INC.
  59. OUTDOOR INDUSTRY ASSOCIATION
  60. OUTDOOR POWER EQUIPMENT INSTITUTE, INC.
  61. OVARIAN CANCER NATIONAL ALLIANCE
  62. Overton Group, INC.
  63. Owens Corning
  64. OWENS-ILLINOIS, INC
  65. OWNER-OPERATOR INDEPENDENT DRIVERS ASSOCIATION
  66. Oxfam America, Inc