The Grainger Tier 1 is a vendor tradeline from Grainger. The annual fee is $0. Grainger Issuer: W.W. Grainger, Inc. Reports to: D&B | Experian Business Credit Limits: $1,000+ to start; higher limits ($2K–$5K+) as your account matures. Personal Guarantee (PG): Not required (EIN-only approval possible for established businesses).. Limits: $1,000+ to start; higher limits ($2K–$5K+) as your account matures. Personal Guarantee (PG): Not required (EIN-only approval possible for established businesses). Key Notes: | PG verification: Grainger does not require a personal guarantee for established businesses applying with an EIN.