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. OBER KALER GRIMES & SHRIVER
  3. OB-GYNS FOR WOMEN'S HEALTH
  4. O'Brien & Associates
  5. O'Brien DC
  6. OCCIDENTAL PETROLEUM CORPORATION
  7. Ocean Champions
  8. Ocean Conservancy
  9. OCEANA, INC.
  10. OCEANS & INTERNATIONAL
  11. OCHSNER CLINIC FOUNDATION
  12. O'DONNELL SCHWARTZ & ANDERSON, P.C.
  13. O'Donoghue & O'Donoghue LLP
  14. Offshore Marine Service Association
  15. Ogilvy Government Relations
  16. OGLETHORPE POWER CORPORATION
  17. Ohio Farm Bureau Federation
  18. OHIO HOSPITAL ASSOCIATION
  19. OHIO MUNICIPAL ELECTRIC ASSOCIATION
  20. Oil Companies International Marine Forum
  21. OKLAHOMA STATE UNIVERSITY
  22. Oldaker, Biden & Belair LLP
  23. OLDCASTLE MATERIALS INC
  24. OLIVE EDWARDS & COOPER
  25. Olsson Frank Weeda Terman Bode Matz PC
  26. Omaha Public Power District
  27. O'Melveny & Myers LLP
  28. Omnicare, Inc.
  29. Oncology Nursing Society
  30. O'Neill and Associates
  31. O'NEILL, ATHY & CASEY, P.C.
  32. OPASTCO
  33. Open Internet Coalition
  34. Open Society Policy Center, Inc.
  35. OPERA America
  36. Opportunity Finance Network-Formerly National Community Cap
  37. OPTICIANS ASSOCIATION OF AMERICA
  38. ORACLE CORPORATION
  39. ORASURE TECHNOLOGIES, INC
  40. ORBITAL SCIENCES CORPORATION
  41. Orbitz Worldwide
  42. ORBITZ, LLC
  43. Oregon Farm Bureau Federation
  44. OREGON HEALTH & SCIENCE UNIVERSITY
  45. OREGON STATE UNIVERSITY
  46. Organic Trade Association
  47. Organization for International Investment
  48. Orion Advocates
  49. ORION STRATEGIES, LLC
  50. Orrick, Herrington & Sutcliffe LLP
  51. Osborne Consulting, Inc
  52. OSF HEALTHCARE SYSTEM
  53. OSI RESTAURANT PARTNERS, LLC
  54. OTTO REICH ASSOCIATES, LLC
  55. Ottosen & Associates
  56. Ounce of Prevention Fund
  57. OUTDOOR ADVERTISING ASSOCIATION OF AMERICA, INC.
  58. OUTDOOR INDUSTRY ASSOCIATION
  59. OUTDOOR POWER EQUIPMENT INSTITUTE, INC.
  60. OVARIAN CANCER NATIONAL ALLIANCE
  61. Overton Group, INC
  62. Owens Corning
  63. OWENS-ILLINOIS, INC
  64. OWNER-OPERATOR INDEPENDENT DRIVERS ASSOCIATION
  65. Oxfam America, Inc
  66. Oxley Consulting, LLC