3. Bluewolf

Amount Spent by Presidential Campaigns: $335,722

Candidates Using: Hillary Clinton (D)

Purpose of Allocation: Technology Consulting

Clinton's campaign spent $242,613 with Bluewolf in May, $64,310 in June and $28,800 in August.

The New York-based strategic service provider, No. 240 on the CRN Solution Provider 500, specializes in cloud integration and development, cloud governance, mobile, analytics, change management and learning and digital marketing. Bluewolf works closely with vendors such as Salesforce, Apttus, Informatica, Marketo, SteelBrick, Oracle, DocuSign and Dell. 

Clinton, a former secretary of state, U.S. senator and first lady, launched her second Democratic bid for president in April 2015.

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