Four years ago, Mark Testoni, an SAP SE executive, and Craig Abod, the president and founder of giant software reseller Carahsoft Technology Corp., stood at the podium of an event organized by the Institute for Excellence in Sales.

The FBI and the Defense Criminal Investigative Service served a search warrant at Carahsoft Technology Corp.’s headquarters in Reston, Virginia this morning. Multiple sources confirmed law enforcement agencies closed down the building and removed computers and boxes of documents.

An FBI raid on Virginia-based Carahsoft as partner software firm SAP comes under investigation for potential price fixing.

Carahsoft is a leading IT vendor and reseller of technology products and services to public sector organizations, with prime spots on key federal governmentwide acquisition contracts such as NASA's Solutions for Enterprise-Wide Procurement and the General Services Administration's Multiple Award Schedule.

German software developer SAP SE, product reseller Carahsoft Technology Corp. and other companies are being probed by US officials for potentially conspiring to overcharge government agencies for years.

FBI and Defense Criminal Investigative Service agents have raided the Reston headquarters of one of the region's largest private companies.

Carahsoft confirmed the DOJ was at its office Tuesday “conducting an investigation” related to a company it’s done business with in the past.

In 2015, Carahsoft and VMware agreed to pay $75.5 million to settle a False Claims Act case with the U.S. government that also alleged overcharging the government. The companies didn’t admit to wrongdoing as part of the settlement.

A raid on Carahsoft headquarters by the FBI was carried out as part of an investigation into illegal price-fixing for government contracts.