Davis works at Oates Metal Deck & Building Products Inc. in Pasadena, though his current position at the company is unclear. A 2011 news release from the governor's office listed him as the owner, and he and his wife list business interests in the company in Davis' personal financial statement for 2011. The company is a supplier of roofing and other building materials.

He has interests in businesses called Turnaround Logistics and Davis-Earp Investments. He is a managing partner at Davis-Earp, and also holds positions at Ohio-based Republic Powdered Metals Inc. and LaPorte-based Oates Industries. The relationship between Oates Metal Deck & Building Products and Oates Industries is unclear.

His wife, Jayne Ann Reed Davis, is a treasurer at Oates Metal Deck & Building Products Inc.

According to his personal financial statement for 2011, Davis owns stock in Enterprise Products Partners, Bank of America, Halliburton and JP Morgan Chase.

He lists income from interest/dividends/royalties/rents from a Pasedena business called ChemClean.

Residential property in Houston valued at $380,034

Lot in Spicewood valued at $80,000

500 acres in Menard

Residential property in La Porte valued at $467,800

In January 2007, Davis was fined $1,000 by the Ethics Commission for improper reporting of political expenditures. In March 2007, Davis was fined $1,000 by the Ethics Commission for violations including listing a $1,537.15 political expenditure for boots that should have been a personal expense, the commission said. Davis reimbursed his campaign. He was fined an additional $500 in September 2007, when the commission found improper use of political funds for individual use.

Davis has authored legislation pertaining to roofing contractors — the industry he works in. HB 1854 from 2009, which did not pass, established new certification requirements for roofing contractors.