| Abbreviation | Definition |
|---|---|
| MWD | Marketing Web Development S. A. de C. V. |
| MWDC | MoonLight Web DeZine Company |
| MWE | McDermott, Will, & Emery - Attorneys At Law |
| MWE | Mid Winter Electrics |
| MWFB | Mid- West Family Broadcasting |
| MWG | Media Working Group |
| MWI | Master Wholesale, Inc. |
| MWI | Mediation Works Incorporated |
| MWI | Millerswork, Inc. |
| MWI | Moving Water Industries |
| MWK | Michael Wilson Kelly - Architects |
| MWM | Mattleman, Weinroth, & Miller, P.C. |
| MWM | Metawavemusic |
| MWM | MoonWatch Media, Inc. |
| MWN | McNees Wallace, & Nurick, LLC - Law Firm |
| MWOG | Midwest Oil & Gas Inc. |
| MWP | Michael Wiese Productions |
| MWS | Metropolitan West Securities, Inc. |
| MWS | Motor Wheel Service International |
| MWT | MidWest Telnet |