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  2. Pyle-National Company Plant - Wikipedia

    en.wikipedia.org/wiki/Pyle-National_Company_Plant

    The Pyle-National Company Plant is a historic industrial plant at 1334 North Kostner Avenue in the Humboldt Park neighborhood of Chicago, Illinois. The Pyle-National Company, which produced lights for steam locomotives and other heavy machinery, built the plant in 1916. The company was founded in 1897 by George C. Pyle, an inventor who patented ...

  3. Grow light - Wikipedia

    en.wikipedia.org/wiki/Grow_light

    Ficus plant grown under a white LED grow light. A grow light is an electric light that can help plants grow. Grow lights either attempt to provide a light spectrum similar to that of the sun, or to provide a spectrum that is more tailored to the needs of the plants being cultivated (typically a varying combination of red and blue light, which generally appears pink to purple to the human eye).

  4. List of food manufacturers of Chicago - Wikipedia

    en.wikipedia.org/wiki/List_of_food_manufacturers...

    Since the 1830s, when Chicago enjoyed a brief period of importance as a local milling center for spring wheat, the city has long been a center for the conversion of raw farm products into edible goods. [2] Since the 1880s, Chicago has also been home to firms in other areas of the food processing industry, including cereals, baked goods, and ...

  5. Category:Manufacturing companies based in Chicago - Wikipedia

    en.wikipedia.org/wiki/Category:Manufacturing...

    Beer brewing companies based in Chicago (12 P) Defunct manufacturing companies based in Chicago (2 C, 35 P) Musical instrument manufacturing companies based in Chicago (13 P)

  6. Economy of Chicago - Wikipedia

    en.wikipedia.org/wiki/Economy_of_Chicago

    Downsizing and plant closures continued into the 1990s and 2000s, and the US Dept of Commerce estimates that today fewer than 25,000 people are employed in the steel industry in the Chicago–Joliet–Naperville, IL–IN–WI Metropolitan Statistical Area (18,000 of whom are actually in Northwest Indiana.

  7. Acuity Brands - Wikipedia

    en.wikipedia.org/wiki/Acuity_Brands

    Acuity Brands, Inc. is a lighting and building management firm headquartered in Atlanta, Georgia, with operations throughout North America and in Europe and Asia.As of 2024 the company has approximately 12,000 employees and recorded net sales of $3.84 billion for the fiscal year. [4]