It is generally accepted that there are FIVE TIERS of corporate credit. The tiers are as follows:
TIER 1: $100-$5,000 in credit from a single card
TIER 2: $5,001-$10,000 in credit from a single card
TIER 3: $10,001-$25,000 in credit from a single card/loan
TIER 4: $25,001-$50,000 in credit from a single card/loan
TIER 5: $50,001+ in credit from a single card/loan