Great products and ideas don’t “just happen.” They evolve and improve as a company responds to challenges from its customers. For nearly a century as Macklanburg-Duncan and now as M-D Building Products, we have remained on the cutting edge of our industry, in large part because we believe in listening to our customers’ needs and expectations.
If you have a question, a problem or a need please contact M-D. We want to hear from you.
4041 N. Santa Fe Ave
Oklahoma City, OK 73118
Sales and Contact Information – U.S.
- M-D National Headquarters: 1-800-654-0007
- M-D Customer Service: 1-800-654-8454
- M-D Credit Department: 1-800-654-0003
- M-D National Fax Service: 1-800-557-3568
- Tower Sealants: 1-866-897-7568
- Contact Via Email: email@example.com
Sales and Contact Information – International
- International Dept. Fax / Depto. Internacional Fax: 405-557-3586
- International Dept. Phone / Depto. Internacional Tel: 405-557-3564
- International Dept. Phone number from Mexico / Depto. Internacional – Linea exclusiva desde Mexico: 001-800-354-4451
- International Sales Toll free number from Canada, Caribbean / Depto. Internacional telefono desde Canada y area del Caribe: 800-348-3834