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  • Environmental Systems Associates
    Environmental Systems Associates
    410.381.7991
    9375 Gerwig Ln, 21046-2895  Columbia

    In 1972, Mike Hendricks, Sr. started to create his own business. Trained as an aeronautical engineer, Mike had specialized in designing equipment that involved air flow, pressures, vacuums, and electronic controls. That experience with complex air flow systems transferred easily to the HVAC industr…

  • Smith Mechanical
    Smith Mechanical
    (410) 992-9570
    9195 Red Branch Rd, 21045  Columbia

    Smith Mechanical’s plumbing service division is committed to provide rapid response to our customer’s needs, 24 hours a day, seven days a week, 365 days a year! Our plumbing service technicians are equipped with the training and resources they need to provide a timely resolve to your emergency serv…