BDO or Binder Dijker Otte is an international network of public accounting, tax, consulting and business advisory firms which perform professional services under the name of BDO.

Caterpillar Inc. is the world’s leading manufacturer of construction and mining equipment, off-highway diesel and natural gas engines, industrial gas turbines and diesel-electric locomotives.

CohnReznick is a global professional services firm offering audit, tax, and advisory services with specialized expertise in various industries such as real estate, construction, and healthcare. The firm helps clients achieve their business goals through strategic consulting, risk management, and compliance solutions.

Ernst & Young (EY) is a global professional services firm that provides audit, tax, consulting, and advisory services to businesses and organizations. EY helps clients improve their performance and manage risks across various industries through financial assurance, strategic planning, and technological solutions.

KPMG is one of the world’s leading professional services firms and the fastest growing Big Four accounting firm in the United States. Providing innovative business solutions and Audit, Tax, and Advisory services to many of the world’s largest and most prestigious organizations.

Plante Moran is the 11th largest certified public accounting, professional services, and business advisory firm in the United States offering audit, accounting, tax, investment banking, wealth management, and business advisory consulting services.

With offices in 151 countries and more than 364,000 people, PwC are among the leading professional services networks in the world. It helps organizations and individuals create the value they are looking for, by delivering quality in Assurance, Tax and Advisory services.

Grant Thornton LLP is the U.S. member firm of Grant Thornton International Ltd, one of the world’s leading organizations of independent audit, tax and advisory firms. It serves private, public and nonprofit organizations of all industries and sizes across their lifecycle, helping them to challenge norms and find solutions with a more-personal business approach that builds trust into every result.

Abbott is a global healthcare leader that helps people live more fully at all stages of life. It is the manufacturer of many popular products in the therapeutic areas of cardiovascular, diabetes, diagnostics, neuromodulation, nutrition and pharmaceuticals.

Andersen provides a wide range of tax, valuation, financial advisory and related consulting services to individual and commercial clients.

With more than 100,000 professionals, Deloitte provides audit and assurance, tax, consulting, and risk and financial advisory services to a broad cross-section of the largest corporations and governmental agencies.

RSM US LLP is the leading U.S. provider of assurance, tax and consulting services focused on the middle market. It helps public and private companies understand and implement new accounting standards while creating cost-effective operational solutions.

Apercen Partners is a Palo Alto–based tax consulting firm founded in 2008 that provides comprehensive income and multi‑generational tax planning and compliance services for ultra‑high‑net‑worth individuals—including venture and hedge‑fund partners, private equity professionals, entrepreneurs, and corporate executives