William J. DeFrances

Omega Engineering, Inc. manufactures industrial measurement equipment used to measure temperature and humidity, flow and level and pressure. Its products include thermocouple probes and assemblies, pressure gauges and switches and air velocity measurement systems. The company was founded by Betty Ruth Hollander and Alexander Tretyakov in 1962 and is headquartered in Norwalk, CT.

PricewaterhouseCoopers LLC provides assurance, tax and advisory services. Its services include audit and assurance, consulting, deals, human resources, legal, tax, and family business. The firm also offers accountability, risk management, structuring, mergers and acquisitions, and performance and process improvement. The company was founded in 1998 and is headquartered in Buffalo, NY.

3M Purification, Inc. designs, manufactures and markets filtration products. It offers integrated filtration solutions for the purification of liquids and gases. The firm offers electronics, industrial fluid purification, commercial water systems and residential water solutions. The company was founded in 1912 and is headquartered in Meriden, CT.