Jon at Austin POS sent this info to me. Also Vanguard ID Systems does cards and was at our dealer conference. I would contact them first.

Jay Laufenberg
National Account Manager
Vanguard ID Systems
1210 American Blvd.
West Chester, PA 19380
Toll Free: (800) 323-7432 x209
Phone: (610) 719-0700 x209
Fax: (610) 719-1800
E-mail: jay@vanguardid.com

They will need the answer to the three questions below

1. Magnetic Stripe type: Hi-Co or Lo-Co?
2. What Track the data will be encoded on: 1, or 2,?
3. What data should be encoded on the mag stripe, random or sequential?

Here are the answers:
1. Hi-CO
2. Track 2
3. Readable sequential numbers.

Here is the company and contact Information for who we have used in the past:

Customer Service
Plastek Cards, Inc.
Main: (614) 602-4150
Fax: (740) 205-1328
Email: coleen.bistor@plastekcards.com
Web: www.plastekcards.com