BOSTON--(BUSINESS WIRE)--WilliamsMarston, a national leader in complex accounting, tax, technology, transaction, and valuation advisory services, is proud to recognize AIT Consulting Services (“AIT”) for receiving the 2026 AI Excellence Award from OneStream, which honors partners delivering measurable business impact through AI-powered finance solutions. AIT, a WilliamsMarston company and a Diamond OneStream implementation partner, was recognized for its role in helping MB2 Dental—a fast-growin