- American Water Works Company
 - Voorhees - Provides water, wastewater, and other water resource management services and products. - Artesian Water
- Newark - Sells water to residential, commercial, industrial, governmental, municipal, and utility customers throughout Delaware.
- Chesapeake Utilities Natural Gas
- Dover - Providing service throughout the Delmarva Peninsula.
- Management Applications Consulting, Inc.
- Sinking Spring - Serving electric, gas, and water utilities, with pricing, cost, rates, forecasting, electric loss analyses, load research, information technology, process reengineering, and state / FERC filings.
|
