Parity › Who owns it › Mad City Windows & Baths
Investor-owned · names its owner on its website
Who owns Mad City Windows & Baths?
The short answer
Mad City Windows & Baths is owned by Renuity (Greenbriar Equity Group). It is not an independent local business.
Quick facts
- Company
- Mad City Windows & Baths
- Trade
- Windows & Doors
- Based in
- Wisconsin, WI · All investor-owned companies in Wisconsin → Also: Cedar Rapids, IA · Davenport, IA · Grimes, IA · Peoria, IL · Fort Wayne, IN · Noblesville, IN · Olathe, KS · Louisville, KY
and 19 more
Duluth, MN · Roseville, MN · Springfield, MO · St. Charles, MO · Concord, NC · Clayton, NC · Fargo, ND · La Vista, NE · Troy, NY · Henrietta, NY · Chester Township, OH · Columbus, OH · Sewickley, PA · Pittston, PA · Sioux Falls, SD · Neenah, WI · La Crosse, WI · New Berlin, WI · Wausau, WI - Owned by
- Renuity (Greenbriar Equity Group) · their site
- Ownership disclosed?
- Yes: the parent is named on the company’s own website (checked 2026-10-04).
What Mad City Windows & Baths says
“Our family-owned and operated business is committed to ensuring our customers’ satisfaction!”Company website, captured by script 2026-10-11 :: https://madcitywindows.com/
What the record shows
Acquired by Renuity (Greenbriar Equity Group). See sources below.About Mad City Windows & Baths
Mad City Windows & Baths provides Windows & Doors services in Wisconsin, WI. It operates under its original local name and is owned by Renuity (Greenbriar Equity Group).
What this means before you call
The name on the truck is not the owner. In investor-owned home-service groups, pricing books, the sales process and financing offers are commonly set centrally rather than by the local office. What to check before you sign →
Sources
- Renuity’s own brands page lists Mad City Windows & Baths: source (2026-10-04)
- Greenbriar Equity Group’s page for Renuity: source (2026-10-04)
- Mad City Windows & Baths's own website (its words about ownership): source (2026-10-11)
- Its own website shows this logo: source (2026-10-15)
- Its own site lists 27 offices, also in Cedar Rapids, IA, Davenport, IA, Grimes, IA, Peoria, IL, Fort Wayne, IN, Noblesville, IN, Olathe, KS, Louisville, KY and 19 more: source (2026-10-26)
Other brands under Renuity (Greenbriar Equity Group)
Parity is an editorial publication. Ownership facts are sourced from public filings and company-published material; we make no claim about the quality of any individual technician. Represent Mad City Windows & Baths or Renuity (Greenbriar Equity Group)? Verify or contest this page · How we check · Corrections policy. Page generated 2026-10-26 from Parity’s records.