Coin Grading Companies

Grading Service Companies are divided into three tiers.

Tier One: (Most Reputable)

PCGS (Professional Coin Grading Service)

NGC (Numismatic guaranty Corporation of America)

Tier Two: (Reputable)

ICG (Independent Coin Grading Company)

ANACS (American Numismatic Association Certification Service)

Tier Three: (Other Companies)

ACG (Accugrade, Inc.)

IGS (International Grading Service)

NTC (NumisTrust Corporation)

PCI (PCI, Inc.)

SEGS (Sovereign Entities Grading Service)

SGS (Star Grading Service)

TGS (TruGrade Service)

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