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10 Best Business Internet Providers in Sulphur, SD

Find business internet availability by address in Sulphur, SD

Jump to: Availability Maps | Residential Internet in Sulphur

Sulphur ISP Report at a Glance
ISP grade Sulphur ISP Report Card B
Average speed Download Speed for Most Businesses 2,182 Mbps
ISP count Number of Business ISPs 10
Customer review count Real Sulphur Customer Ratings 2


This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.

Data update information

This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.

Sulphur has 10 business internet providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in Sulphur.

Sulphur overview

Sulphur has 10 business internet providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in Sulphur.

Compare Providers Ranked by Coverage, Speed, and Customer Ratings

Centurylink Business

Centurylink Business logo

Availability:

93.8%

Customer Rating:

3.3 of 5 stars

(176)

View Plans

1-844-526-6307 Price: {{isp_price_range}}

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Sulphur.

Max Download Speed InfoCalculated from the maximum speeds available to most Sulphur residents, weighted by user distribution.

Customer Rating

DSL

93.8%

62 Mbps

100 Mbps

DSL: 3.0 of 5 stars

(101)

Midco

Midco logo

Availability:

87.4%

Customer Rating:

3.7 of 5 stars

(34)

View Plans

Price: {{isp_price_range}}

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Sulphur.

Max Download Speed InfoCalculated from the maximum speeds available to most Sulphur residents, weighted by user distribution.

Customer Rating

Fiber

28.8%

5,000 Mbps

5,000 Mbps

Fiber: 3.5 of 5 stars

(4)

Cable

87.4%

1,497 Mbps

2,000 Mbps

Cable: 3.8 of 5 stars

(25)

Bluepeak

Bluepeak logo

Availability:

59.6%

Customer Rating:

3.7 of 5 stars

(21)

View Plans

Price: {{isp_price_range}}

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Sulphur.

Max Download Speed InfoCalculated from the maximum speeds available to most Sulphur residents, weighted by user distribution.

Customer Rating

Cable

59.6%

1,000 Mbps

1,000 Mbps

Cable: 3.5 of 5 stars

(8)

AT&T Business

AT&T Business logo

Availability:

100.0%

Customer Rating:

3.7 of 5 stars

(1,051)

View Plans

1-877-610-1219 Price: {{isp_price_range}}

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Sulphur.

Max Download Speed InfoCalculated from the maximum speeds available to most Sulphur residents, weighted by user distribution.

Customer Rating

Fixed Wireless

100.0%

78 Mbps

100 Mbps

Wireless: 3.6 of 5 stars

(164)

Above are the top 4 business internet providers in Sulphur, SD for most people based on high speed internet coverage, speeds, and customer reviews. Click below to see all providers in your city.


T-Mobile for Business

T-Mobile for Business logo

Availability:

100.0%

Customer Rating:

4.0 of 5 stars

(341)

View Plans

1-833-601-2935 Price: {{isp_price_range}}

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Sulphur.

Max Download Speed InfoCalculated from the maximum speeds available to most Sulphur residents, weighted by user distribution.

Customer Rating

Fixed Wireless

100.0%

46 Mbps

100 Mbps

Wireless: 3.9 of 5 stars

(204)

wispwest.net

wispwest.net logo

Availability:

100.0%

Customer Rating:

0.0 of 5 stars

(0)

View Plans

Price: {{isp_price_range}}

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Sulphur.

Max Download Speed InfoCalculated from the maximum speeds available to most Sulphur residents, weighted by user distribution.

Customer Rating

Fixed Wireless

100.0%

44 Mbps

100 Mbps

Wireless: 0.0 of 5 stars

(0)

Verizon Business

Verizon Business logo

Availability:

98.0%

Customer Rating:

3.8 of 5 stars

(811)

View Plans

1-833-213-7018 Price: {{isp_price_range}}

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Sulphur.

Max Download Speed InfoCalculated from the maximum speeds available to most Sulphur residents, weighted by user distribution.

Customer Rating

Fixed Wireless

98.0%

50 Mbps

50 Mbps

Wireless: 3.7 of 5 stars

(170)

Western Communications

Western Communications logo

Availability:

14.6%

Customer Rating:

0.0 of 5 stars

(0)

View Plans

Price: {{isp_price_range}}

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Sulphur.

Max Download Speed InfoCalculated from the maximum speeds available to most Sulphur residents, weighted by user distribution.

Customer Rating

Fixed Wireless

14.6%

30 Mbps

30 Mbps

Wireless: 0.0 of 5 stars

(0)

Providers with less than 1% coverage in this city are excluded from the list. To see if one of these providers is available at your home, please use the address search above.

Satellite providers generally have 100% coverage, so we have included these options below

Dish

Dish logo

Availability:

100%

Customer Rating:

3.6923 of 5 stars

(13)

View Plans

1-866-252-1910 Price: {{isp_price_range}}


DirecTV

DirecTV logo

Availability:

100%

Customer Rating:

4.3333 of 5 stars

(9)

View Plans

1-844-294-9501 Price: {{isp_price_range}}


HughesNet

HughesNet logo

Availability:

100%

Customer Rating:

2.4286 of 5 stars

(21)

View Plans

1-833-684-9249 Price: {{isp_price_range}}


Viasat

Viasat logo

Availability:

100%

Customer Rating:

1.7273 of 5 stars

(11)

View Plans

1-833-875-1370 Price: {{isp_price_range}}


Starlink

Starlink logo

Availability:

100%

Customer Rating:

3.9836 of 5 stars

(61)

View Plans

Price: {{isp_price_range}}

Speed and technology may vary by address for all providers. Please note we may have a financial relationship with some of the providers above, which does not impact the customer ratings displayed. Customer ratings listed above are national ratings, local Sulphur ratings may vary and are shown below.

Which Providers are Available at my Business in Sulphur?

The map shows speeds per provider and where each provider is available. Click the drop-down menu to choose
a different provider.

Sulphur, SD map of business internet availability

Internet Availability Key

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Speeds and coverage vary within the city, and sometimes even from block to block. The map shows speeds per provider and where each provider is available.

Top Rated Business Internet Providers in Sulphur, SD

When selecting the best internet provider for your business, it's important to consider user feedback. Our user reviews encompass all types of services provided by ISPs in Sulphur, SD, without asking users to differentiate between residential and business experiences. Because of this, the insights from residential users can be a reliable indicator of what you can expect from the business service as well.

To see all 2 providers reviews in Sulphur, SD please visit our Internet Providers in Sulphur, SD page. The feedback there reflects the overall quality, reliability, and customer satisfaction of the service, which likely extends to their business offerings.

Who is the Fastest Business Internet Provider in Sulphur?

Based on data provided by the internet providers to the FCC, Midco should have faster speeds at a local level. If you’d like to see unbiased reviews for provider speed on residential service, please visit our page for residential internet in Sulphur.

Max Advertised Speed in Sulphur, SD


Midco5,000
Bluepeak1,000
wispwest.net100
Viasat100
T-Mobile Home Internet100
AT&T100
Centurylink100
Verizon50
Western Communications30
HughesNet25

ISP / Tech TypeMax Advertised Speed
Midco5,000 Mbps
Bluepeak1,000 Mbps
Centurylink100 Mbps
AT&T100 Mbps
Viasat100 Mbps
wispwest.net100 Mbps
T-Mobile Home Internet100 Mbps
Verizon50 Mbps
Western Communications30 Mbps
HughesNet25 Mbps

How Much Speed does a Sulphur Business Need?

While the speed a business needs is dependent on their own circumstances, we’ve analyzed the business environment in Sulphur, SD from a high level. We’ve categorized every occupation tracked by the Census Bureau’s American Community Survey into 4 groups based largely on their overall connectivity needs.

Occupational Category Breakdown in Sulphur, SD

Core Office / Administrative 21%
Knowledge Work / Technical 12%
Service and Support 40%
Hands-On and On-Site 27%

Core Office / Administrative

In Sulphur, the Core Office / Administrative sector is moderately represented, with Management (9.6%), Teachers and Librarians (4.1%), and IT and Math Professionals (3.4%) leading the way. These professionals rely on dependable internet for everyday operations such as email communication, database management, and virtual meetings. Although the demand for reliable internet services is growing, it still represents a moderate portion of Sulphur's overall needs, reflecting the balanced role these occupations play alongside other job sectors.

Knowledge Work / Technical

In Sulphur, Knowledge Work / Technical occupations play a significant role in the local economy, with Healthcare Practitioners (4.2%), Scientists and Researchers (3.1%), and Social Workers (2.2%) being the most common. These roles require consistent, high-speed internet to manage large data sets, run sophisticated software, and enable seamless communication across teams. As these occupations represent a substantial share of the workforce, the city's overall demand for advanced internet services is robust, supporting a thriving environment for innovation and technology-driven industries.

Service and Support

Sulphur is a hub for Service and Support professionals, with Office Staff (18.1%), Sales Professionals (16.6%), and Service Industry Workers (3.6%) leading the local workforce. For these roles, reliable, high-speed internet is critical for ensuring smooth customer service operations, processing large volumes of transactions, and enabling effective communication. The high concentration of these occupations drives a significant demand for advanced internet services, vital for supporting Sulphur's service-oriented economy.

Hands-On and On-Site

In Sulphur, Hands-On and On-Site roles make up a smaller portion of the local workforce. The top occupations in this category are Food Service Workers (6.6%), Construction Workers (5.5%), and Warehouse Workers (4.7%) . While these roles may rely on internet access for tasks like logistics coordination, equipment monitoring, and real-time communication, the overall demand for advanced internet services is relatively low. As a result, the city's need for robust connectivity in this sector is less critical compared to cities with a higher concentration of these occupations.

Shopping for Business Internet in Sulphur, SD

Based on the mix of occupations in Sulphur, SD, it has a balanced demand for robust internet services. The diverse occupational mix supports a steady requirement for reliable and moderately fast internet, though the need for top-tier speeds and low latency is not universal.

Sulphur, SD is graded B according to our ISP Report Card. This report card evaluates the city's internet quality, focusing on key factors like speed, coverage, and provider options, to determine how well the available services meet business needs. Comparing this grade to the mix of occupations, we can conclude that this score provides more than adequate service for the city's workforce.

Specialized Features Businesses in Sulphur Should Consider

When selecting an internet service for your business in Sulphur, it's important to consider the specialized features that can significantly impact your operations. Whether you're a small business with basic needs or a large enterprise with complex demands, the right business internet plan can offer tailored solutions that enhance performance, security, and reliability.To see what speeds your business is currently getting, please visit our internet speed test tool. Below, we explore key features that could be critical for your business, ensuring you choose a service that aligns with your specific requirements.

Download Speed Requirements

Businesses often require reliable and fast download speeds to handle large data transfers, streaming, and other bandwidth-intensive activities. Business internet plans typically include guaranteed minimum speeds, dedicated bandwidth, and the removal of data caps, ensuring that these critical tasks are completed without interruption or slowdown.

Upload Speed Requirements

For businesses that rely on cloud services, video conferencing, or frequent file uploads, robust upload speeds are essential. Business internet plans typically offer symmetrical speeds, prioritized uploads, and solutions that enhance data transfer efficiency, making sure that critical tasks like cloud backups and real-time communication run smoothly.

Latency Sensitivity

Businesses with latency-sensitive applications, such as VoIP or real-time data processing, benefit from low-latency routing and Quality of Service (QoS) controls. These features prioritize time-sensitive traffic and optimize data paths, reducing delays and ensuring smooth operation of critical business functions.

Reliability and Redundancy

In business, downtime can be costly. Business internet plans often include service level agreements (SLAs) that guarantee uptime and performance. Additionally, features like redundant connections, automatic failover, and 24/7 network monitoring provide an extra layer of reliability, ensuring continuous service even during outages.

Scalability of Services

As businesses grow, so do their internet needs. Scalable business internet plans offer flexible bandwidth options, modular service packages, and the ability to upgrade services on demand without disruption. This ensures that businesses can easily adjust their internet resources as their demands evolve.

Cloud Service Integration

Businesses increasingly rely on cloud services for operations. Business internet plans often include dedicated cloud connections, hybrid cloud solutions, and optimized data transfer rates, making it easier to manage cloud-based applications securely and efficiently.

Security and Privacy Concerns

Security is a top priority for businesses, and business internet plans reflect this with features like built-in firewalls, DDoS protection, and VPN support. These services help protect against cyber threats and ensure that sensitive business data remains secure, both in transit and at rest.

Number of Connected Devices

Modern businesses often have many devices connected to their network, from computers to IoT devices. Business internet services provide high-capacity routers, device prioritization, and efficient IP address management to handle the load, ensuring smooth operation across all devices.

Remote Work Capabilities

With remote work becoming more common, businesses need internet services that support secure and efficient remote access. Business internet plans often include remote desktop services, VPNs, and unified communication tools, allowing employees to work effectively from anywhere.

As you evaluate business internet options in Sulphur, consider which of these specialized features will most benefit your operations. Whether you prioritize speed, reliability, security, or scalability, understanding your specific needs will help you identify the right service. When narrowing down the best ISP for your business, be sure to inquire about the features that align with your priorities, ensuring that the provider you choose can support your goals and keep your business running smoothly.

Business Internet in Cities near Sulphur, SD

Businesses looking in the greater area surrounding Sulphur, SD can use this list to navigate nearby cities.

Rapid City, SD

  • Average Download Speed: 1,874
  • Fiber Coverage: 21.0%
Black Hawk, SD

  • Average Download Speed: 1,995
  • Fiber Coverage: 19.6%
Ashland Heights, SD

  • Average Download Speed: 3,610
  • Fiber Coverage: 60.4%
Rapid Valley, SD

  • Average Download Speed: 1,892
  • Fiber Coverage: 11.1%
Summerset, SD

  • Average Download Speed: 1,989
  • Fiber Coverage: 16.4%
Box Elder, SD

  • Average Download Speed: 3,304
  • Fiber Coverage: 47.1%
Ellsworth Afb, SD

  • Average Download Speed: 2,585
  • Fiber Coverage: 10.3%
Piedmont, SD

  • Average Download Speed: 3,007
  • Fiber Coverage: 59.1%
Johnson Siding, SD

  • Average Download Speed: 81
  • Fiber Coverage: 0.0%

Which Fiber Business Internet Providers are Available in Sulphur?

Midco Fiber in Sulphur, SD

Midco logo

Availability:

28.8%

Customer Rating:

3.5 of 5 stars

(4)

Avg. Download Speed

5,000 Mbps

Midco offers Fiber service to 28.8% of Sulphur homes. Across the city, Midco Fiber has speeds up to 5,000 Mbps, with speeds from 5,000 Mpbs up to 5,000 Mbps depending on the address. Upload speeds are symmetrical, meaning they are exactly the same as download speeds for Midco Fiber. Midco Fiber is rated about the same as other types of internet service available in Sulphur from Midco in terms of customer satisfaction.

Which Cable Business Internet Providers are Available in Sulphur?

Midco Cable in Sulphur, SD

Midco logo

Availability:

87.4%

Customer Rating:

3.8 of 5 stars

(25)

Avg. Download Speed

1,497 Mbps

Midco offers Cable service to 87.4% of Sulphur homes. Across the city, Midco Cable has speeds up to 1,497 Mbps, with speeds from 1,250 Mpbs up to 2,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 60 and as high as 400, with an average of 172 Mbps throughout the city. Midco Cable is rated higher than other types of internet service available in Sulphur from Midco in terms of customer satisfaction.

Bluepeak Cable in Sulphur, SD

Bluepeak logo

Availability:

59.6%

Customer Rating:

3.5 of 5 stars

(8)

Avg. Download Speed

1,000 Mbps

Bluepeak offers Cable service to 59.6% of Sulphur homes. Across the city, Bluepeak Cable is the only type of service available from the company, with speeds up to 1,000 Mbps, with speeds from 1,000 Mpbs up to 1,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 30 and as high as 30, with an average of 30 Mbps throughout the city. Bluepeak Cable is rated about the same as other types of internet service available in Sulphur from Bluepeak in terms of customer satisfaction.

Which DSL Business Internet Providers are Available in Sulphur?

Centurylink Business DSL in Sulphur, SD

Centurylink Business logo

Availability:

93.8%

Customer Rating:

3.0 of 5 stars

(101)

Avg. Download Speed

62 Mbps

Centurylink Business offers DSL service to 93.8% of Sulphur homes. Across the city, Centurylink Business DSL is the only type of service available from the company, with speeds up to 62 Mbps, with speeds from 10 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 10, with an average of 5.6 Mbps throughout the city. Centurylink Business DSL is rated lower than other types of internet service available in Sulphur from Centurylink Business in terms of customer satisfaction.

Which Fixed Wireless and LTE Business Internet Providers are Available in Sulphur?

AT&T Business Fixed Wireless in Sulphur, SD

AT&T Business logo

Availability:

100.0%

Customer Rating:

 of 5 stars

(0)

Avg. Download Speed

78 Mbps

AT&T Business offers Fixed Wireless service to 100.0% of Sulphur homes. Across the city, AT&T Business Fixed Wireless is the only type of service available from the company, with speeds up to 78 Mbps, with speeds from 30 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 6.0, with an average of 5.0 Mbps throughout the city. AT&T Business Fixed Wireless is rated other types of internet service available in Sulphur from AT&T Business in terms of customer satisfaction.

T-Mobile for Business Fixed Wireless in Sulphur, SD

T-Mobile for Business logo

Availability:

100.0%

Customer Rating:

 of 5 stars

(0)

Avg. Download Speed

46 Mbps

T-Mobile for Business offers Fixed Wireless service to 100.0% of Sulphur homes. Across the city, T-Mobile for Business Fixed Wireless is the only type of service available from the company, with speeds up to 46 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 7.7 Mbps throughout the city. T-Mobile for Business Fixed Wireless is rated other types of internet service available in Sulphur from T-Mobile for Business in terms of customer satisfaction.

wispwest.net Fixed Wireless in Sulphur, SD

wispwest.net logo

Availability:

100.0%

Customer Rating:

 of 5 stars

(0)

Avg. Download Speed

44 Mbps

wispwest.net offers Fixed Wireless service to 100.0% of Sulphur homes. Across the city, wispwest.net Fixed Wireless is the only type of service available from the company, with speeds up to 44 Mbps, with speeds from 35 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 5.0 and as high as 20, with an average of 8.6 Mbps throughout the city. wispwest.net Fixed Wireless is rated other types of internet service available in Sulphur from wispwest.net in terms of customer satisfaction.

Verizon Business Fixed Wireless in Sulphur, SD

Verizon Business logo

Availability:

98.0%

Customer Rating:

 of 5 stars

(0)

Avg. Download Speed

50 Mbps

Verizon Business offers Fixed Wireless service to 98.0% of Sulphur homes. Across the city, Verizon Business Fixed Wireless is the only type of service available from the company, with speeds up to 50 Mbps, with speeds from 50 Mpbs up to 50 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 6.0 and as high as 6.0, with an average of 6.0 Mbps throughout the city. Verizon Business Fixed Wireless is rated other types of internet service available in Sulphur from Verizon Business in terms of customer satisfaction.

Western Communications Fixed Wireless in Sulphur, SD

Western Communications logo

Availability:

14.6%

Customer Rating:

 of 5 stars

(0)

Avg. Download Speed

30 Mbps

Western Communications offers Fixed Wireless service to 14.6% of Sulphur homes. Across the city, Western Communications Fixed Wireless is the only type of service available from the company, with speeds up to 30 Mbps, with speeds from 30 Mpbs up to 30 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 5.0 and as high as 5.0, with an average of 5.0 Mbps throughout the city. Western Communications Fixed Wireless is rated other types of internet service available in Sulphur from Western Communications in terms of customer satisfaction.