OLDWICK, N.J., February 03, 2022--AM Best has affirmed the Long-Term Issuer Credit Rating (Long-Term ICR) of "bbb" (Good) of ACMAT Corporation (ACMAT) (Farmington, CT) [OTC Market: ACMT]. Concurrently, AM Best has affirmed the Financial Strength Rating of A (Excellent) and the Long-Term ICR of "a" (Excellent) of ACMAT’s wholly owned subsidiary, ACSTAR Insurance Company (ACSTAR) (Chicago, IL). The outlook of these Credit Ratings (ratings) is stable.