| Name | Company | Phone | Fax |
| O'Brien, Allen |
Landmark Sign Group |
(219)762-9577 | (219)762-4259 |
| O'Brien, Kristen |
Harris Bank N. A. |
(219)769-7700 | (219)933-3984 |
| O'Donnell, Angie |
Custom Blend Coffee Service |
(219)923-1018 | |
| O'Donnell, Denise |
Custom Blend Coffee Service |
(219)923-1018 | |
| O'Neill, Linda |
Franciscan Communities at St. Anthony Campus |
(219)661-5100 | (219)661-5205 |
| Ociepka, Katie |
The Leukemia & Lymphoma Society |
(317)726-2270 | (317)726-2280 |
| Odijk, Nichole |
Greater Northwest Indiana Association |
(219)795-3600 | (219)795-3611 |
| Officer, James |
University of Phoenix |
(317)558-3982 | (602)643-2981 |
| Olejnik, Roxanne |
The Times Media Company |
(219)662-5300 | (219)662-5296 |
| Olesek, Jan |
Challenger Learning Center of NWI |
(219)989-2007 | (219)989-3256 |
| Olthoff, Julie |
VIA Marketing, Inc. |
(219)769-2299 | (219)756-9505 |
| Olthoff, Ron |
VIA Marketing, Inc. |
(219)769-2299 | (219)756-9505 |
| Oman, Sherry |
Regional Mental Health Center |
(219)769-4005 | (219)769-2508 |
| Orfanos, Trent |
Cardiac Care Associates |
(219)662-0077 | (219)662-9493 |
| Orosz, Karen |
Ivy Tech Community College of Indiana |
(219)981-4947 | (219)981-4431 |
| Ortegon, Karla |
Crossroads Regional Chamber of Commerce |
(219)769-8180 | (219)736-6223 |
| Ortiz, Anna |
Body Max |
(219)769-3366 | (219)769-7117 |
| Ortiz, Victor |
Food Bank of Northwest Indiana |
(219)980-1777 | (219)981-5122 |
| Owens, Lisa |
Holiday Rent-A-Car |
(219)942-8561 | (219)942-8563 |