[6] The firm operates globally across a number of industries, including health care, telecommunications, defense, energy, manufacturing, and finance.

[4][13] After raising concerns internally for several years, in June 1988, a day after the enactment of Ohio's Whistleblower Statute, Davidoski sent a letter to management detailing the misleading and unethical nature of the company's selling practices.

[12] One of the company's initial services was to work with customers to reduce their spend on third-party data providers, including Dun & Bradstreet.

Kreller Group provides international due diligence and background research using local investigators for on-the-ground intel on entities around the globe.

[5][11][18] Kreller Group conducts investigations into both companies and individuals with whom clients are considering business dealings, such as joint ventures or mergers and acquisitions.

[5][7][22] Kreller Consulting offers clients strategies to reduce their expense on information products sold by third-party vendors, particularly those related to credit, law, insurance, real estate, and debt collections.