Telecommunications
A Fortune 500 company, AT&T is the largest telecommunications company in United States. AT&T serves millions of customers including global, national, mid-size, regional and government customers.
316 W. Washington Avenue, Room 701
Madison, WI 53703
- (608) 282-7878
Our Mission: Provide our clients best-in-class technology driven solutions that deliver exceptional value and maximum return on investment while serving them with integrity and excellence.
722 Walsh Road
Madison, WI 53714
- Map
- (608) 443-2595
Frontier Communications, a Fortune 500 company, offers advanced business communications and specialized bundles for businesses and home offices in Wisconsin and 26 other states.
100 Communications Drive
Sun Prairie, WI 53590
- (855) 270-1500
Installation and Support of Structured Cable and Communications Systems. Voice, Data, CCTV, Fiber, Paging, Network Equipment, Wireless in Commercial, Office, Retail & Apartment Environments.
3040 Laura Lane
Suite 130
Middleton, WI 53562
- Map
- 877-627-1057
NovaONE Networks is an independent telecom agency. We offer telephone, internet and cloud services from all the phone/cable companies guaranteeing your company is receiving the lowest available rates and expertise to resolve complex telecom issues. We are your advocate!
2009 W. Beltline Highway, Suite 103
Madison, WI 53713
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- (608) 442-4000
Our family owned business can help your business communications by increasing productivity, efficiency, and providing a safer work environment.
405 N. Hastings Place
Eau Claire, WI 54703
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- (608) 467-3035
ResTech Services provides high speed Internet, Television and Telephone services to businesses and MDU residential properties throughout Madison, WI.
2901 Latham Drive
Madison, WI 53713
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- (608) 663-3868
Connecting business and residential customers to phone, broadband, digital television, and IP-hosted business solutions in 30 states.
525 Junction Road
Madison, WI 53717
- (608) 664-4000
525 Junction Road, #6000
Madison, WI 53717-2105
- (608) 663-3330
U.S. Cellular believes a wireless phone enhances people's lives, and a wireless company should be in the business of bringing people together.
101 Junction Road
Madison, WI 53717
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- (608) 444-4444
5117 W Terrace Drive
Madison, WI 53718
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- (608) 441-4500
We are an Avaya Business Partner selling Voice over IP and also Norstar Systems. We also do Computer Networking and provide phone and data service.
101 E Main Street
Dane, WI 53529
- (608) 849-9601
