Alliances:
Alliance of Merger & Acquisition Advisors (AM&AA)
CORE Business Professionals Alliance
The Leading Edge Alliance (LEA)
Local First Springfield (CAIBA)
Partner Power International

Audit/Accounting/Assurance:
American Institute of Certified Public Accountants (AICPA)
AICPA Employee Benefit Plan Audit Quality Center
AICPA Governmental Audit Quality Center
American Institute of Professional Bookkeepers
Illinois CPA Society (ICPAS)
Information Systems Audit and Control Association 
Independent Accountants Association of IL
National Center for Employee Ownership
National Society of Accountants

Business Valuation/Litigation Support:
American Society of Appraisers
Association of Certified Fraud Examiners (ACFE)
National Association of Certified Valuation Analysts

Community Organizations:
American Business Club
Chatham Area Chamber of Commerce
Chicagoland Chamber of Commerce
Greater Aurora Chamber of Commerce
The Illinois State Chamber of Commerce
Indiana Chamber of Commerce
The Junior League of Springfield
The Naperville Area Chamber of Commerce
The Naperville Area Humane Society
Naperville Jaycees
Rockford Chamber of Commerce
Rotary International
The Greater Springfield Chamber of Commerce

Construction:
Associated General Contractors of Illinois (AGCI)
Association of Subcontractors & Affiliates (ASA Chicago)
Builders Association
Central Illinois Builders of AGC
Construction Financial Management Association (CFMA)
Fox Valley Associated General Contractors (FVAGC)
National Association of Construction Auditors (NACA)
Surety Association of IL

Finance and Consulting
The Alternative Board
Certified Financial Planner Board of Standards Inc.
Illinois Association of Mutual Insurance Companies
Institute of Management Consultants (IMC)