Elroy Manufacturing Inc.
- Metal finishing and custom wire forms.
- http://www.elroymfg.com/

Tailor Made Products
- Manufacturers of custom molded products.
- http://www.tmadeproducts.com/

Jim's Trailside Gallery
- Original framed paintings and prints.
- http://www.jimstrailsidegallery.com/

Dairyland Auction & Great Rivers Realty
- Auction and realty services for the Elroy area.
- http://dairylandauction.com/

Walker Stainless
- Manufacturer of large scale stainless steel equipment for the dairy, food, beverage, pharmaceutical and chemical industries.
- http://www.walkerstainless.com/

Royal Bank
- One of two banks in Elroy. Financial and other services available. Location of several community events each month.
- http://www.royalbank-usa.com/

Kustom Kraft Laser
- Custom laser engraving and cutting on wood, glass, mirror, plastic, leather, stone, and coated metals. Wooden craft kits made of baltic birch wood also available.
- http://www.kklaser.com/

Brunner Drilling & Manufacturing, Inc.
- Manufactures a variety of metal components such as bolts, pins, nuts, and screws.
- http://www.brunner-inc.com/