| Acronym | Definition |
|---|
| M&O➣management and operating |
| M&O➣Management & Operations |
| M&O➣Maintenance and Operation |
| M&O➣Management & Organization |
| M&O➣Management and Organizational |
| M&O➣Maintenance & Operation |
| M&O➣Management and Oversight |
| M&O➣Mobile and Ohio Railroad |
| M&O➣Maintenance and Overhaul |
| M&O➣Miningham and Oellerich Inc (software services provider for financial industry |
| M&O➣Macarroni & Ownage Productions |