The sweepstakes, open to professional plumbers and contractors in the United States, will run for 75 days, from Sept. 1 to Nov. 15, and result in 10 winners pocketing $7,500 for a total of a $75,000 cash giveaway.

The third generation full service mechanical contractor is known as a professional firm of exceptional skills in construction and installation of piping, HVAC, commercial refrigeration and HVACR service.

The official anniversary date is May 12, where employees will celebrate in their local teams.

Elkay was founded in Chicago in 1920 by Chairman of the Board of Directors Ron Katz’s grandfather, Leopold Katz, a carpenter by trade, and Ellef Robarth, a tinsmith. They met while working for Litterer Brothers Mfg. Co., a company that supplied sinks. Together they founded Elkay (a mashup of their two names), bringing together their different experiences.

The Mill-Rose Co., a manufacturer of twisted-wire brushes, is celebrating its 100th anniversary commemorating its rich history and hundreds of industries it has served.

Slant/Fin took its name from founder Mel Dubin’s original design — a slanted, locked fin — that he came up with in response to the era’s inefficient fin-tube radiation designs.

Electric Eel’s current product line includes a wide range of electric and gas powered sectional drain cleaning machines, drum style machines, high pressure water jetters and a full range of pipeline inspection camera systems and locators.

Grand opening of innovation learning center and new laboratory in Oxnard, California.

The 100^th anniversary is being celebrated at many Uponor locations and events throughout 2018.