PHILADELPHIA (CBS) — A Montgomery County man has plead guilty for engaging in a bid rigging scheme that resulted in his business receiving money from illegal contracts with PennDOT, according to Attorney General Bruce Beemer.

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Christopher Czop plead guilty on Wednesday.

According to the Attorney General’s Office, Czop engaged in theft, fraud and corruption as the president of Czop/Specter, Inc, an engineering and surveying company. They add that millions of taxpayer dollars were lost as a result of the fraud.

Officials say that the corruption took place in PennDOT’s district 6 which includes Bucks, Delaware, Chester, Montgomery and Philadelphia counties.

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Czop was charged in April of 2015. Authorities say Czop developed a relationship with a PennDOT officials leading to his company obtaining and executing consultant inspection contracts. They add that the company also profited from the overbilling in connection with the hours and mileage that employees were submitting for their work.