• Blue Dot Services Inc. (Sioux Falls, S.D.) has merged two of its locations in Charlotte, N.C. Master Controls & Service Company has joined forces with Environmental Services of Charlotte (ESC) to become ESC/Master Controls.

  • RK Mechanical Inc. (Denver) has introduced its residential HVAC and plumbing group. Performance Residential Services will focus on add-on and replacements of heating and air conditioning systems, as well as plumbing.

    Publication date: 05/05/2003