Our satisfied clients are most valuable “marketing force” for GBM. We are proud to service over 1,000 facilities, with more than 200 significant and sizable corporations and organizations nationwide every day. We received 500+ recognitions, awards and letters of appreciation for our outstanding services. Some of letters shown here are from the past. Please call us at 800-445-6789 Ex 7114 or email marketing@GBMweb.com for current reference list. We will be the most valuable player in your team.