| Differential Communications | Airdrie, AB | Phone: 403-948-7267 | |
| Contact: Catherine Hays | |||
| RR#1 | |||
| Airdrie, AB T4B 2A3 | |||
| Phone: 403-948-7267 chays@ddginc.ca www.communications.ddginc.ca | |||
| Design, writing, illustration and document management for the agricultural, manufacturing and technical industries - advertising, brochures, newsletters, news releases, interactive forms, fact sheets, manuals, illustrations - technical emphasis | |||
| Main Service Area: Western Canada | |||
