(OKS) engages in the gathering, processing, storage, and transportation of natural gas in the United States. This MLP raised quarterly distributions to 63.50 cent/unit, which represented a 10.40% increase over the same rate this time in 2011. ONEOK Partners has raised distributions for 7 years in a row. Yield: 4.60%

 Western Gas Partners, LP (WES) , together with its subsidiaries, engages in the acquisition, ownership, development, and operation of midstream energy assets in east and west Texas, the Rocky Mountains, and the Mid-Continent. This MLP raised quarterly distributions to 46 cent/unit, which represented a 17.90% increase over the same rate this time in 2011. Western Gas Partners has raised distributions for 5 years in a row. Yield: 4%

Spectra Energy Partners, LP, (SEP) through its subsidiaries, engages in the transportation of natural gas through interstate pipeline systems, and the storage of natural gas in underground facilities in the United States. This MLP raised quarterly distributions to 48 cent/unit, which represented a 4.30% increase over the same rate this time in 2011. Spectra Energy Partners has raised distributions for 5 years in a row. Yield: 6.10%

 Crestwood Midstream Partners LP (CMLP) engages in gathering, compressing, treating, processing, and transporting natural gas primarily on the Barnett Shale formation of the Fort Worth Basin in north Texas. This MLP raised quarterly distributions to 50 cent/unit, which represented a 13.60% increase over the same rate this time in 2011. Crestwood Midstream Partners has raised distributions for 6 years in a row. Yield: 7.40%

 Omega Healthcare Investors, Inc. (OHI) operates as a real estate investment trust (REIT) in the United States. The company raised quarterly distributions to 42 cents/share, which represented a 10.50% increase over the same rate this time in 2011. This dividend achiever has raised distributions for 10 years in a row. Yield: 8%

 The Southern Company (SO) operates as an electric utility company.