CUSTOMER SERVICE REPRESENTATIVE. T-Mark Plumbing, Heating, Cooling & Electric was founded over 25 years ago to provide friendly, efficient service to residents and businesses across Buffalo and Western New York. As a family-owned and operated business that understands the challenge and frustrations that can occur with plumbing and HVAC emergencies, our Day One focus has never changed. 100% customer satisfaction. We take the time, every time, to e...