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Business Internet in Decatur, Illinois - Best Business Providers (February 2026)

Top Pick for Decatur Businesses: The best business internet in Decatur comes from Comcast Business, which pairs competitive pricing with the infrastructure businesses need to stay connected. Comcast Business's infrastructure reaches 86.0% of Decatur, providing businesses across the metro with access to enterprise-grade speeds and support. The 10-provider market in Decatur means businesses serving this 73,254-person community have multiple options to ensure mission-critical connectivity.

Best Business Internet Providers in Decatur (February 2026)

Commercial internet options in Decatur, Illinois span 10 providers offering dedicated business plans. The comparison below breaks down speed tiers, monthly pricing, uptime commitments, and IP options.

ProviderBusiness SpeedsPrice RangeUptime SLAStatic IP
Comcast Business50 Mbps - 10 Gbps$70-$500/mo99.99% uptime on dedicated fiber1 included (up to 13)
AT&T Business Fiber100 Mbps - 5 Gbps$40-$250/mo99.9% uptime SLAAvailable ($15/mo add-on)
Verizon Business Fios300 Mbps - 2.3 Gbps$75-$350/mo99.9% availabilityAvailable ($20/mo)
Rise Broadband Business25 Mbps - 1 Gbps$55-$200/mo99.9% on fiber plansAvailable ($10/mo)
Frontier Business Fiber500 Mbps - 5 Gbps$50-$200/mo99.9% uptime guaranteeAvailable ($15/mo)
T-Mobile Business Internet33-245 Mbps$50-$70/moBest-effort (no formal SLA)Not available
Verizon 5G Business Internet50 - 300 Mbps$35-$90/moBest-effortNot available
HughesNet Business25 - 100 Mbps$65-$200/moBest-effortNot available
Viasat Business30 - 150 Mbps$100-$350/moBest-effortAvailable on select plans
Starlink Business40 - 220 Mbps$120-$500/moPriority bandwidth tierAvailable ($10/mo add-on)

Business Internet Provider Details for Decatur

The following profiles detail each business internet provider in Decatur, IL, including speed tiers, monthly costs, contract terms, and business-specific features.

Comcast Business in Decatur

With cable, fiber coverage of 86.0% in Decatur, Comcast Business business plans deliver 50 Mbps - 10 Gbps. Pricing starts at $70-$500/mo and includes SecurityEdge cyber protection, 4G LTE backup, WiFi Pro hotspots.

  • Business Speeds: 50 Mbps - 10 Gbps
  • Monthly Cost: $70-$500/mo
  • Uptime SLA: 99.99% uptime on dedicated fiber
  • Static IP: 1 included (up to 13)
  • Contract: 1-3 year terms

Call Xfinity Business Sales: 1-844-963-0138

View Comcast Business Plans

AT&T Business Fiber in Decatur

In Decatur, AT&T Business Fiber covers 70.4% of addresses with fiber, fixed wireless, dsl service. Business plans span 100 Mbps - 5 Gbps from $40-$250/mo, including Dedicated account manager, 24/7 U.S.-based support, bundled VoIP.

  • Business Speeds: 100 Mbps - 5 Gbps
  • Monthly Cost: $40-$250/mo
  • Uptime SLA: 99.9% uptime SLA
  • Static IP: Available ($15/mo add-on)
  • Contract: 1-3 year terms

Call AT&T Internet Business Sales: 1-855-850-5977

View AT&T Business Fiber Plans

Verizon Business Fios in Decatur

Verizon Business Fios brings fiber internet to 40.4% of Decatur, offering business speeds from 300 Mbps - 2.3 Gbps. Starting at $75-$350/mo per month, plans feature One Fiber dedicated options, Verizon Business Digital Voice.

  • Business Speeds: 300 Mbps - 2.3 Gbps
  • Monthly Cost: $75-$350/mo
  • Uptime SLA: 99.9% availability
  • Static IP: Available ($20/mo)
  • Contract: 1-2 year terms

Call Verizon Fios Business Sales: 1-855-387-1456

View Verizon Business Fios Plans

Rise Broadband Business in Decatur

Businesses throughout Decatur can tap into Rise Broadband Business's fixed wireless, fiber infrastructure, which reaches 34.5% of the metro. Speeds range from 25 Mbps - 1 Gbps with pricing from $55-$200/mo. Key perks include Fixed wireless where fiber unavailable, dedicated support line.

  • Business Speeds: 25 Mbps - 1 Gbps
  • Monthly Cost: $55-$200/mo
  • Uptime SLA: 99.9% on fiber plans
  • Static IP: Available ($10/mo)
  • Contract: 1-2 year terms

Call Rise Broadband Business Sales: 1-877-910-6207

View Rise Broadband Business Plans

Frontier Business Fiber in Decatur

Covering roughly 12.4% of Decatur, Frontier Business Fiber provides fiber, dsl connectivity with business plans from 500 Mbps - 5 Gbps. Monthly pricing begins at $50-$200/mo, and the package includes Symmetric upload/download, no data caps, UCaaS bundles.

  • Business Speeds: 500 Mbps - 5 Gbps
  • Monthly Cost: $50-$200/mo
  • Uptime SLA: 99.9% uptime guarantee
  • Static IP: Available ($15/mo)
  • Contract: 1-2 year terms

Call Frontier Fiber Business Sales: 1-855-981-6281

T-Mobile Business Internet in Decatur

Approximately 84.0% of Decatur businesses can access T-Mobile Business Internet's 5g, fixed wireless, mobile network. Plans deliver 33-245 Mbps at prices from $50-$70/mo, bundled with No installation needed, 5G gateway included, quick setup.

  • Business Speeds: 33-245 Mbps
  • Monthly Cost: $50-$70/mo
  • Uptime SLA: Best-effort (no formal SLA)
  • Static IP: Not available
  • Contract: No contract

Call T-Mobile Business Sales: 1-844-275-9311

Verizon 5G Business Internet in Decatur

Covering roughly 40.4% of Decatur, Verizon 5G Business Internet provides 5g connectivity with business plans from 50 - 300 Mbps. Monthly pricing begins at $35-$90/mo, and the package includes 5G Ultra Wideband, plug-and-play gateway, no installation wait.

  • Business Speeds: 50 - 300 Mbps
  • Monthly Cost: $35-$90/mo
  • Uptime SLA: Best-effort
  • Static IP: Not available
  • Contract: No contract

HughesNet Business in Decatur

HughesNet Business brings satellite internet to 100.0% of Decatur, offering business speeds from 25 - 100 Mbps. Starting at $65-$200/mo per month, plans feature Built-in Wi-Fi, satellite coverage everywhere, bonus off-peak data.

  • Business Speeds: 25 - 100 Mbps
  • Monthly Cost: $65-$200/mo
  • Uptime SLA: Best-effort
  • Static IP: Not available
  • Contract: 2 year commitment

Call HughesNet Business Sales: 1-855-543-5405

Viasat Business in Decatur

Businesses throughout Decatur can tap into Viasat Business's satellite infrastructure, which reaches 100.0% of the metro. Speeds range from 30 - 150 Mbps with pricing from $100-$350/mo. Key perks include Viasat Shield security, priority data plans, VoIP ready.

  • Business Speeds: 30 - 150 Mbps
  • Monthly Cost: $100-$350/mo
  • Uptime SLA: Best-effort
  • Static IP: Available on select plans
  • Contract: 2 year commitment

Call Viasat Business Sales: 1-855-463-9333

Starlink Business in Decatur

Covering roughly 100.0% of Decatur, Starlink Business provides satellite connectivity with business plans from 40 - 220 Mbps. Monthly pricing begins at $120-$500/mo, and the package includes Global coverage, mobile mounting, priority support queue.

  • Business Speeds: 40 - 220 Mbps
  • Monthly Cost: $120-$500/mo
  • Uptime SLA: Priority bandwidth tier
  • Static IP: Available ($10/mo add-on)
  • Contract: No contract (hardware cost $2,500)

Local Business Internet Landscape in Decatur

As Decatur continues to attract businesses and investment, the demand for reliable commercial internet service has become a defining factor in the local economic landscape.

Decatur's economy is anchored by Illinois's tradition of manufacturing, agriculture, and healthcare. Local businesses depend on reliable internet for precision manufacturing systems, commodity trading platforms, and telemedicine services.

Dental practices, veterinary clinics, and specialty medical offices in Decatur depend on secure internet connections for digital imaging, practice management software, insurance claim submissions, and patient portal access.

With 5 wired broadband providers and 5 wireless or satellite backup options, Decatur businesses can build highly redundant connectivity stacks. We recommend pairing a primary fiber connection with a secondary cable or 5G line to ensure continuity during outages.

Business Internet Features to Consider in Decatur

A thorough evaluation of business internet options in Decatur should include these key features that impact uptime, security, and long-term operational efficiency:

  • Service Level Agreements (SLAs): Enterprise-grade SLAs guarantee 99.9-99.99% uptime with financial credits if the provider misses targets. For Decatur businesses relying on cloud applications and VoIP, an SLA can mean the difference between a minor inconvenience and lost revenue.
  • Static IP Addresses: For Decatur companies running VPNs, web servers, or PCI-compliant payment systems, static IPs are essential. Expect to pay $5-20/month extra if your plan does not include one by default.
  • Dedicated vs. Shared Connections: For Decatur businesses where internet slowdowns directly impact revenue, dedicated fiber connections provide guaranteed bandwidth isolated from other users. Shared connections work well for less bandwidth-sensitive operations.
  • Symmetric Upload Speeds: Symmetric fiber connections in Decatur provide equal upload and download speeds, eliminating the upload bottleneck that cable business plans create for companies using cloud services and video conferencing.
  • Priority Support: Priority support is one of the most valuable business internet features for Decatur companies. Expect dedicated phone lines, named account managers, and 4-8 hour repair commitments.
  • Scalability: Your Decatur business internet should never be a bottleneck. Choose providers with clear upgrade paths that allow you to scale from hundreds of Mbps to multi-gigabit without disruption.

Business vs. Residential Internet in Decatur

The price difference between residential and business internet in Decatur often makes business owners question whether upgrading is worth it. These key differences show why business-grade service pays for itself:

  • Uptime guarantees: No SLA comes with residential plans, meaning your Decatur business has no recourse during outages. Business plans provide contractual uptime guarantees with financial penalties for the provider.
  • Upload performance: Residential cable plans in Decatur typically cap uploads at 10-35 Mbps. Business fiber plans deliver symmetric speeds up to 5-10 Gbps for cloud backups, VoIP, and video conferencing.
  • Static IP addresses: Static IPs from business plans support VPN tunnels, remote access, payment compliance, and server hosting. Residential IPs change periodically, causing unpredictable disruptions to these services.
  • Terms of service: Operating a business on residential internet in Decatur risks TOS violations that could result in throttling, service suspension, or account termination at the worst possible time.
  • Priority repair: Business plans get priority repairs with 4-8 hour on-site commitments. Residential service calls in Decatur can take 1-3 business days to address.

Business Internet FAQs for Decatur, IL

What is the fastest business internet available in Decatur, IL?

At speeds reaching 10 Gbps, Comcast Business delivers the fastest business internet available in Decatur. Their fiber infrastructure provides symmetric bandwidth for the cloud applications, video calls, and VoIP systems modern businesses depend on.

Do business internet providers in Decatur offer SLAs?

Most Decatur business internet providers offer SLAs. Comcast Business commits to a 99.99% uptime on dedicated fiber, and competitors offer similar guarantees. These agreements ensure accountability and provide service credits when providers fail to meet their uptime commitments.

Can I get a static IP address for my Decatur business?

Static IP addresses are widely available from Decatur's business internet providers. Comcast Business provides 1 included (up to 13). These fixed addresses are required for VPN access, server hosting, IP-based security systems, and compliance with payment processing standards.

How much does business internet cost in Decatur?

Business internet in Decatur ranges from approximately $40 to $500 per month depending on the provider and speed tier. Basic plans suitable for small offices start around $50-70/mo for 100-300 Mbps, while enterprise-grade dedicated fiber for larger companies can exceed $300/mo. Comcast Business pricing starts at $70.

Is fiber internet available for businesses in Decatur?

Fiber internet is available in Decatur from 5 providers: AT&T Internet, Frontier Fiber, Xfinity, Verizon Fios, Rise Broadband. Fiber offers the fastest and most reliable connection type for businesses, with symmetric upload/download speeds and lower latency compared to cable or DSL. Coverage varies by address, so check availability at your specific business location.

What upload speed do I need for my Decatur business?

Assess your Decatur business's upload needs based on usage: 25 Mbps handles basic email and web, 50-100 Mbps supports video conferencing and cloud backups, and 200+ Mbps symmetric fiber powers data-intensive operations. Businesses uploading large files regularly should prioritize symmetric fiber plans.

For more internet options in Decatur, visit our Decatur Internet Providers page. Compare plans across Illinois on our Illinois Internet guide.

Disclosure: Some links on this page are affiliate links, meaning InternetProviders.ai may earn a commission if you sign up through our links. This does not affect our editorial ratings or recommendations. All pricing, speeds, and availability information is current as of February 2026 and may vary by address. Call the provider directly to confirm availability at your Decatur business location.

About the Author: Pablo Mendoza is a broadband industry analyst at InternetProviders.ai specializing in business connectivity solutions. His research covers enterprise internet options across Illinois and nationwide, helping companies find the right balance of speed, reliability, and value.