Campbell Ewald, Warren 
- 30400 Van Dyke Avenue
- Warren, Michigan 48093-2316
- United States
- Phone: 586 558-4400
- Fax: 586 558-5896
- Country Phone Code: 1
- Website: www.c-e.com
- Email: Barbara.Yolles@c-e.com
- Title: U.S. Postal Service
- Advertiser: United States Postal Service
- Brand: USPS
- Media: Case Study
- Title: Alltel
- Advertiser: Alltel
- Brand: Alltel
- Media: Case Study
- Title: U.S. Navy
- Advertiser: United States Navy
- Brand: U.S. Navy
- Media: Case Study
- Title: Kaiser Permanente
- Advertiser: Kaiser Permanente
- Brand: Kaiser Permanente
- Media: Case Study