HVAC & plumbing representatives in South Dakota.

Greg Miller is SEI’s South Dakota territory manager. Mike Dungan and Michael Dungan also cover the state, bringing equipment and distribution leadership alongside contractor education.

Greg connects manufacturers, distributors and contractors with the agency’s HVAC, plumbing and professional tool representation. Mike focuses on equipment, account development and distribution strategy; Michael brings equipment applications and hands-on training.

South Dakota is included in SEI’s reported six-state HVAC equipment result. That result is a combined territory figure, not a separate South Dakota sales claim. We discuss your particular line’s coverage and opportunities directly before agreeing on representation.

Representation that fits your line.

SEI represents HVAC equipment, plumbing products and professional tools across seven Upper Midwest states. Coverage for a particular manufacturer depends on the product, existing arrangements and the markets agreed with that manufacturer.

Tell us which applications you serve, where your distribution is established and what you want to build next. We can discuss product training, branch support and contractor demand in the context of your line.