- INTERNET
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- Internet Services
Fixed Wireless Speeds up to 10 Gbps. Internet via a wireless connection between two fixed points. No construction required.
Fiber Internet Speeds up to 1 Tbps. Internet via a hard-line fiber connection direct to your location. Construction may be required.
SD-WAN Internet 5G Speeds up to 300 Mbps. Shipping Nationwide. Cellular internet with no setup or construction required. Just plug and play.
Satellite Internet High-speed satellite internet almost anywhere. Professionally installed, managed, and perfect as a backup connection.
Specializing In
Public Spaces One-stop shop for internet and Wi-Fi for Hotels, Private Clubs, Parks, Marinas, Airports, Districts, Community Centers and Conference Centers
Smart Districts Connected Wi-Fi, cameras and sensors that power a whole downtown district.
Commercial Multi Dwelling Units Do you own a mixed-use property with multiple units? Offer internet to your tenants and create a new revenue source.
Temporary Connections Need internet for a short period of time? Special Events, Construction Sites, Concerts, Conferences, Trade Shows, TV and movie production, media and press events.
Detroit Wi-Fi Initiative Bringing Wi-Fi to Detroiters for free.
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- CLOUD
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- Phone Service
VoIP Phone System Hosted business phones with auto attendant, voicemail-to-email and mobile apps.
POTS Line Replacement Replace copper phone lines for fire alarms, elevators and fax with managed cellular.
Managed Services Managed Wi-Fi We design, monitor and manage your Wi-Fi 24/7, including guest splash pages.
Managed Firewall Managed firewall, content filtering and threat protection for every site.
Multi-WAN Router Combine fiber, fixed wireless and 5G with automatic failover so you never go offline.
Virtual MPLS A private, secure network linking all your locations over any internet connection.
Security Services Surveillance Monitor Security cameras with secure cloud recording and remote viewing, fully managed.
Zone Monitor People counting, live occupancy, dwell time and crowd alerts from your cameras.
Camera Time Lapse Live camera streams and time-lapse videos of your job site, event or venue, hosted in the cloud.
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- INDUSTRIES
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- Industries
Accounting & Legal Secure, private networks for accounting firms and law offices that protect client data.
Airports Secure, redundant networks for terminals, operations, parking and tenants.
Community & Nonprofits Affordable, reliable internet and Wi-Fi for community centers, churches and nonprofits.
Construction Fast job-site internet with fixed wireless, 5G and Wi-Fi suitcases. No waiting on wires.
Education Secure, high-capacity networks for schools, colleges and training centers.
Financial Services Redundant, compliant connectivity for banks, credit unions and financial advisors.
Government Redundant, secure connectivity for city, county and public-safety agencies.
Healthcare & Dental Secure internet for medical practices, dental offices, clinics and senior living.
Hospitality Guest Wi-Fi for hotels, banquet facilities, private clubs and resorts.
Manufacturing Always-on connectivity for plants, warehouses and industrial IoT.
Parking Pay stations, gates, cameras and call boxes for surface lots and garages.
Private Clubs Member-grade Wi-Fi for country, golf, yacht and athletic clubs.
Real Estate Internet and Wi-Fi for brokerages, property managers and buildings across Detroit.
Restaurants Reliable internet and guest Wi-Fi that keeps your POS and online orders running.
Retail Dependable Wi-Fi and backup internet that keep stores and checkout lines moving.
Stadiums & Large Venues High-density Wi-Fi for stadiums, arenas, festivals and major events.
Transportation & Logistics Connectivity for fleets, depots, parking, airports and logistics hubs.
Utilities Resilient networks for utility sites, substations and field operations.
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- COMPANY
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- Company
Our Mission Better internet for all. Trusted since 2008, we have been in business for more than a decade.
Community Engagement How we give back: public Wi-Fi, Project Green Light, local partnerships and Detroit community projects.
Success Stories Customer testimonials and case studies: "Hands down one of the best internet service companies in the state".
Owners & Developers Increase rental retention and property value, and create another revenue source.
Live Camera Feeds Live camera feeds from our webcams around town.
Careers Join our growing team. We are laser-focused on building the internet company of the future.
Policies Billing, privacy and text messaging policies.
Contact Us We would love to talk.
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- INTERNET
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- Internet Services
Fixed Wireless Speeds up to 10 Gbps. Internet via a wireless connection between two fixed points. No construction required.
Fiber Internet Speeds up to 1 Tbps. Internet via a hard-line fiber connection direct to your location. Construction may be required.
SD-WAN Internet 5G Speeds up to 300 Mbps. Shipping Nationwide. Cellular internet with no setup or construction required. Just plug and play.
Satellite Internet High-speed satellite internet almost anywhere. Professionally installed, managed, and perfect as a backup connection.
Specializing In
Public Spaces One-stop shop for internet and Wi-Fi for Hotels, Private Clubs, Parks, Marinas, Airports, Districts, Community Centers and Conference Centers
Smart Districts Connected Wi-Fi, cameras and sensors that power a whole downtown district.
Commercial Multi Dwelling Units Do you own a mixed-use property with multiple units? Offer internet to your tenants and create a new revenue source.
Temporary Connections Need internet for a short period of time? Special Events, Construction Sites, Concerts, Conferences, Trade Shows, TV and movie production, media and press events.
Detroit Wi-Fi Initiative Bringing Wi-Fi to Detroiters for free.
-
-
- CLOUD
-
-
- Phone Service
VoIP Phone System Hosted business phones with auto attendant, voicemail-to-email and mobile apps.
POTS Line Replacement Replace copper phone lines for fire alarms, elevators and fax with managed cellular.
Managed Services Managed Wi-Fi We design, monitor and manage your Wi-Fi 24/7, including guest splash pages.
Managed Firewall Managed firewall, content filtering and threat protection for every site.
Multi-WAN Router Combine fiber, fixed wireless and 5G with automatic failover so you never go offline.
Virtual MPLS A private, secure network linking all your locations over any internet connection.
Security Services Surveillance Monitor Security cameras with secure cloud recording and remote viewing, fully managed.
Zone Monitor People counting, live occupancy, dwell time and crowd alerts from your cameras.
Camera Time Lapse Live camera streams and time-lapse videos of your job site, event or venue, hosted in the cloud.
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- INDUSTRIES
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-
- Industries
Accounting & Legal Secure, private networks for accounting firms and law offices that protect client data.
Airports Secure, redundant networks for terminals, operations, parking and tenants.
Community & Nonprofits Affordable, reliable internet and Wi-Fi for community centers, churches and nonprofits.
Construction Fast job-site internet with fixed wireless, 5G and Wi-Fi suitcases. No waiting on wires.
Education Secure, high-capacity networks for schools, colleges and training centers.
Financial Services Redundant, compliant connectivity for banks, credit unions and financial advisors.
Government Redundant, secure connectivity for city, county and public-safety agencies.
Healthcare & Dental Secure internet for medical practices, dental offices, clinics and senior living.
Hospitality Guest Wi-Fi for hotels, banquet facilities, private clubs and resorts.
Manufacturing Always-on connectivity for plants, warehouses and industrial IoT.
Parking Pay stations, gates, cameras and call boxes for surface lots and garages.
Private Clubs Member-grade Wi-Fi for country, golf, yacht and athletic clubs.
Real Estate Internet and Wi-Fi for brokerages, property managers and buildings across Detroit.
Restaurants Reliable internet and guest Wi-Fi that keeps your POS and online orders running.
Retail Dependable Wi-Fi and backup internet that keep stores and checkout lines moving.
Stadiums & Large Venues High-density Wi-Fi for stadiums, arenas, festivals and major events.
Transportation & Logistics Connectivity for fleets, depots, parking, airports and logistics hubs.
Utilities Resilient networks for utility sites, substations and field operations.
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- COMPANY
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- Company
Our Mission Better internet for all. Trusted since 2008, we have been in business for more than a decade.
Community Engagement How we give back: public Wi-Fi, Project Green Light, local partnerships and Detroit community projects.
Success Stories Customer testimonials and case studies: "Hands down one of the best internet service companies in the state".
Owners & Developers Increase rental retention and property value, and create another revenue source.
Live Camera Feeds Live camera feeds from our webcams around town.
Careers Join our growing team. We are laser-focused on building the internet company of the future.
Policies Billing, privacy and text messaging policies.
Contact Us We would love to talk.
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Business Internet in St. Clair County
Business Internet Provider in St. Clair County, Michigan
Business internet, Wi-Fi and phones for companies across St. Clair County, from a Southeast Michigan provider that owns its network and monitors it 24/7.
Local business internet
Business Internet Across St. Clair County
St. Clair County sits at the top of the St. Clair River where Lake Huron begins, with Port Huron and the Blue Water Bridge to Canada, one of the busiest commercial border crossings in the country, plus shipping, manufacturing, marinas and the riverfront towns of Marysville and St. Clair.
Cronus serves St. Clair County with fiber, 5G SD-WAN, Starlink, managed Wi-Fi, business phones and fixed wireless where our network reaches, all monitored 24/7 from Detroit.
What you get
Why St. Clair County Businesses Choose Cronus
Business-grade connectivity from a local provider that owns its network.
Up to 10 Gbps
Dedicated, symmetrical plans from small offices to multi-gigabit headquarters.
Installed in days
Fixed wireless connects most buildings without trenching or construction.
99.99% uptime SLA
A written service level agreement, backed by our own network.
Automatic backup
5G or a second path keeps you online if a line is cut.
24/7 local monitoring
Our Detroit Network Operations Center watches every connection.
One local provider
Internet, phones, managed Wi-Fi and cameras from one team.
Where we work
Serving St. Clair County’s Business Districts
Cities and areas we serve in St. Clair County include:
- Port Huron
- Marysville
- St. Clair
- Algonac
- Marine City
Local pages
Cities and Neighborhoods in St. Clair County
We also serve Port Huron, Marysville, St. Clair, Algonac, Marine City, Fort Gratiot, Kimball Township and the rest of St. Clair County.
County seat: Port Huron
Who we serve
Industries We Serve in St. Clair County
Border logistics and customs
24/7 connectivity with backup.
Shipping and manufacturing
Reliable industrial links.
Marinas
Dock Wi-Fi and cameras.
Restaurants and retail
Payment reliability.
Healthcare
Secure networks.
Tourism and events
Temporary Wi-Fi for festivals.
Services
Business Internet Options in St. Clair County
Choose one connection or combine them for maximum uptime.
Nearby:
In depth
Choosing Business Internet in St. Clair County, Michigan
Choosing the right connection
Across St. Clair County, the best connection depends on your building. Where our fixed wireless network reaches, you can be online in days; elsewhere, fiber, 5G SD-WAN or Starlink deliver business-grade service, and we can combine them for automatic backup.
One provider for every location
Businesses with locations across St. Clair County and beyond can manage internet, Wi-Fi, phones and backup with one provider and one support line.
Questions
St. Clair County Business Internet FAQ
Does Cronus serve all of St. Clair County?
Yes. Cronus provides fiber, 5G SD-WAN, Starlink, managed Wi-Fi and business phones across St. Clair County, with fixed wireless wherever our network reaches.
How fast can business internet be installed in St. Clair County?
Fixed wireless is usually installed within days of a site survey. Fiber timelines depend on whether fiber already reaches your building.
What speeds are available?
Dedicated plans scale from small-office speeds up to 10 Gbps on fixed wireless, with symmetrical upload and download.
Do you offer backup internet?
Yes. 5G SD-WAN or a second wireless path takes over automatically if your main connection fails.
Get Business Internet in St. Clair County
Tell us your address and a local Cronus expert will confirm options, speeds and pricing, usually within one business day.
Top photo: Blue Water Bridge, Port Huron, MI (5764576293) by CBP Photography (Public domain) · Photo: Blue Water Bridge, Port Huron, MI (5764579599) by CBP Photography (Public domain), via Wikimedia Commons.