Legitimate Resources

Have done some digging around on this site, and they look legimate:

http://www.diabeticalertdog.com/

Also:

http://www.diabetesmine.com/2012/07/talking-hypo-alert-caninesin-the-dogs-days-of-summer.html which references

http://www.icandog.org/

By the way, run the other way if the outfit wants much more than $2000.  Run really far if the amount is more than $5000.  The ideal model is that the majority of expenses are paid for by donations, and the minority of expenses are paid by the recipient.  Usually enough is required show that the recipient is seriously interested.