Large Global Chemical Company
A large global chemical company that has sales of over $26 billion and more than 52,000 employees. Read their case study to learn how CIS recovered interest for them.
Multi-National Electrical Utility Company
A multi-national electrical utility company that is a Fortune 200 energy company. Request the case study to learn how CIS recovered interest for them.
Leading Oil & Gas Pipeline Company
A US Fortune 500 leading Oil & Gas Pipeline company with operations in the natural gas and propane business. Download this case study to learn how they recovered interest with the help of CIS.
This healthcare provider is one of the nation’s largest providers of post-acute healthcare services. Read the case study to learn how CIS recovered interest for them.
For Profit Education Company
A For Profit Education Group is a company that is traded on NASDAQ and has over $3.6 billion in revenue. Learn how CIS recovered interest for them.
Multinational Financial Services
A multinational financial services company with offices in 35 countries and servicing over 70 million customers. Learn how CIS recovered interest for them.
Historic Corporate Federal Interest Rates
A look at historic corporate federal interest rates since 1990. Download this chart to see the trends each quarter for underpayment, overpayment, Section 6621(c), and Section 6621(a)(1).