Fiserv: Brookfield Data Center

Site History

1992: The three-story south building opened.

1998: The two-story north building was added.

2023: Fiserv moved its headquarters to downtown Milwaukee and kept the Brookfield data center, citing the cost of moving its IT.

March 2024: Fiserv listed the campus for sale as office and data center space.

Distance	Site	About
1.82 miles	AT&T: 405 N Fairway Dr
2.79 miles	Windstream Brookfield
3.38 miles	Verizon Wireless: New Berlin
3.76 miles	Lumen Milwaukee 1
4.75 miles	Mapletree: N15 W24250 Riverwood	N15 W24250 Riverwood Drive in Pewaukee, Wisconsin, is a two-story, 142,952 sq ft data center built in 1985 with about 40,000 sq ft of raised floor. AT&T used the building for decades. It is now vacant and offered for lease.
4.81 miles	AT&T: 220 Wisconsin Ave, Waukesha
7.23 miles	AT&T: 6812 Aetna Ct
8.14 miles	AT&T: 5825 N 99th St	AT&T built a mobile switching center at 5825 North 99th Street in Milwaukee in 1995. The site closed and sold at the end of 2025, and the 29,500 sq ft building now markets for sale or lease as the 99th Street Technology Center.
8.69 miles	AT&T: 7721 W Fond du Lac Ave
8.85 miles	Affordable Family Storage: Midtown Milwaukee	Affordable Family Storage proposed a 19,000 sq ft computing facility inside the former Walmart at 5825 West Hope Avenue in Milwaukee's Midtown neighborhood. It dropped the data center in July 2026 after community opposition, and the redevelopment went ahead with housing, a library branch and self-storage.
9.21 miles	TierPoint Milwaukee-Burnham	TierPoint runs a Tier III colocation and business-continuity data center at 3701 West Burnham Street on Milwaukee's south side. The site came to TierPoint with its 2016 purchase of Cosentry and offers about 3,600 sq ft of raised floor.
9.45 miles	Data Holdings Milwaukee	Data Holdings runs a Tier III colocation data center at 3135 West Highland Boulevard in Milwaukee. The Forest County Potawatomi Community owns the business. The two-story building opened in 2013, added a 7,500 sq ft suite in 2019 and has hosted the MKE-IX internet exchange since 2025.
9.59 miles	AT&T: W277 S4747 Saylesville Rd
9.86 miles	AT&T: 918 N 26th St
10.48 miles	Aventus: Milwaukee (Lakes)	Aventus Lakes is a Tier III, SOC 2 Type 2 colocation facility in the Granville Station area of Milwaukee, Wisconsin, in a 26,432 sq ft building-in-a-building masonry structure on 2 acres. In data-center use since about 2007 (formerly VCPI/Agility Colo) and acquired by Aventus Data Centers (a division of Vincent Companies) in 2022, it offers single-cabinet, cage, and private-suite colocation.
11.66 miles	Vaultas Milwaukee
11.69 miles	Cogent: Milwaukee 2	Cogent Communications runs its Milwaukee 2 data center at 2915 South 5th Court in Milwaukee's Bay View area, in a former Sprint network building. The site offers about 3,900 sq ft of colocation with UPS and generator backup.
11.78 miles	AT&T: 722 N Broadway	AT&T's Broadway central office at 722-740 North Broadway in downtown Milwaukee is the main telephone exchange of Wisconsin Bell and its former headquarters. Reign Capital bought the 20-story 1930 tower and its 1953 annex in 2021, and AT&T leases them back.
11.80 miles	Netwurx 324 E Wisconsin
11.80 miles	1547: Wells Building	The Wells Building at 324 East Wisconsin Avenue is a 15-story carrier hotel in downtown Milwaukee. 1547 Critical Systems Realty bought the 1901 building in 2020 and runs it as a multi-tenant data center and interconnection hub.
11.80 miles	Cogent: 324 E Wisconsin
11.81 miles	TSR 324 E Wisconsin
11.93 miles	Windstream Milwaukee
12.02 miles	Johnson Controls: Glendale
12.85 miles	Northwestern Mutual: Franklin
13.21 miles	FIS: Brown Deer	FIS owns a data center on its 20-acre former Metavante campus at 4900 West Brown Deer Road in Brown Deer, Wisconsin, north of Milwaukee. Ascent operates the facility.
13.42 miles	Ethoplex
14.31 miles	MilwaukeeColo
14.37 miles	Expedient Franklin	Expedient runs MKE1, its Milwaukee-area data center, at 4777 West Ironwood Drive in Franklin, Wisconsin. Expedient opened the former Harley-Davidson data center in 2021 and leases the whole building from StratCap Data Centers.
14.38 miles	StratCap: 4777 Ironwood	4777 West Ironwood Drive in Franklin, Wisconsin, is a 28,500 sq ft data center built in 2008 for Harley-Davidson. StratCap Data Centers bought it in 2022, and Expedient leases the whole building as its Milwaukee facility.

Distance

Site

About

1.82 miles

AT&T: 405 N Fairway Dr

2.79 miles

Windstream Brookfield

3.38 miles

Verizon Wireless: New Berlin

3.76 miles

Lumen Milwaukee 1

4.75 miles

Mapletree: N15 W24250 Riverwood

N15 W24250 Riverwood Drive in Pewaukee, Wisconsin, is a two-story, 142,952 sq ft data center built in 1985 with about 40,000 sq ft of raised floor. AT&T used the building for decades. It is now vacant and offered for lease.

4.81 miles

AT&T: 220 Wisconsin Ave, Waukesha

7.23 miles

AT&T: 6812 Aetna Ct

8.14 miles

AT&T: 5825 N 99th St

AT&T built a mobile switching center at 5825 North 99th Street in Milwaukee in 1995. The site closed and sold at the end of 2025, and the 29,500 sq ft building now markets for sale or lease as the 99th Street Technology Center.

8.69 miles

AT&T: 7721 W Fond du Lac Ave

8.85 miles

Affordable Family Storage: Midtown Milwaukee

Affordable Family Storage proposed a 19,000 sq ft computing facility inside the former Walmart at 5825 West Hope Avenue in Milwaukee's Midtown neighborhood. It dropped the data center in July 2026 after community opposition, and the redevelopment went ahead with housing, a library branch and self-storage.

9.21 miles

TierPoint Milwaukee-Burnham

TierPoint runs a Tier III colocation and business-continuity data center at 3701 West Burnham Street on Milwaukee's south side. The site came to TierPoint with its 2016 purchase of Cosentry and offers about 3,600 sq ft of raised floor.

9.45 miles

Data Holdings Milwaukee

Data Holdings runs a Tier III colocation data center at 3135 West Highland Boulevard in Milwaukee. The Forest County Potawatomi Community owns the business. The two-story building opened in 2013, added a 7,500 sq ft suite in 2019 and has hosted the MKE-IX internet exchange since 2025.

9.59 miles

AT&T: W277 S4747 Saylesville Rd

9.86 miles

AT&T: 918 N 26th St

10.48 miles

Aventus: Milwaukee (Lakes)

Aventus Lakes is a Tier III, SOC 2 Type 2 colocation facility in the Granville Station area of Milwaukee, Wisconsin, in a 26,432 sq ft building-in-a-building masonry structure on 2 acres. In data-center use since about 2007 (formerly VCPI/Agility Colo) and acquired by Aventus Data Centers (a division of Vincent Companies) in 2022, it offers single-cabinet, cage, and private-suite colocation.

11.66 miles

Vaultas Milwaukee

11.69 miles

Cogent: Milwaukee 2

Cogent Communications runs its Milwaukee 2 data center at 2915 South 5th Court in Milwaukee's Bay View area, in a former Sprint network building. The site offers about 3,900 sq ft of colocation with UPS and generator backup.

11.78 miles

AT&T: 722 N Broadway

AT&T's Broadway central office at 722-740 North Broadway in downtown Milwaukee is the main telephone exchange of Wisconsin Bell and its former headquarters. Reign Capital bought the 20-story 1930 tower and its 1953 annex in 2021, and AT&T leases them back.

11.80 miles

Netwurx 324 E Wisconsin

11.80 miles

1547: Wells Building

The Wells Building at 324 East Wisconsin Avenue is a 15-story carrier hotel in downtown Milwaukee. 1547 Critical Systems Realty bought the 1901 building in 2020 and runs it as a multi-tenant data center and interconnection hub.

11.80 miles

Cogent: 324 E Wisconsin

11.81 miles

TSR 324 E Wisconsin

11.93 miles

Windstream Milwaukee

12.02 miles

Johnson Controls: Glendale

12.85 miles

Northwestern Mutual: Franklin

13.21 miles

FIS: Brown Deer

FIS owns a data center on its 20-acre former Metavante campus at 4900 West Brown Deer Road in Brown Deer, Wisconsin, north of Milwaukee. Ascent operates the facility.

13.42 miles

Ethoplex

14.31 miles

MilwaukeeColo

14.37 miles

Expedient Franklin

Expedient runs MKE1, its Milwaukee-area data center, at 4777 West Ironwood Drive in Franklin, Wisconsin. Expedient opened the former Harley-Davidson data center in 2021 and leases the whole building from StratCap Data Centers.

14.38 miles

StratCap: 4777 Ironwood

4777 West Ironwood Drive in Franklin, Wisconsin, is a 28,500 sq ft data center built in 2008 for Harley-Davidson. StratCap Data Centers bought it in 2022, and Expedient leases the whole building as its Milwaukee facility.

Microsoft Trims Mount Pleasant Data Center Plan To Seven Buildings From Nine

October 12, 2026 Microsoft Azure

Microsoft has cut the number of buildings planned for the 791-acre Durand Avenue portion of its Mount Pleasant, Wisconsin, data center campus to seven from nine, reducing the parcel's projected taxable value by about 24 percent, or nearly $1.9 billion, the Milwaukee Business Journal reported...

Fiserv: Brookfield