Top VoIP services companies & Best VoIP Developers in USA

Looking to improve business communication with VoIP? SelectedFirms connects you with top VoIP service companies in the USA. Expert VoIP developers deliver cost-effective and scalable communication solutions to enhance call quality and connectivity. Find the right VoIP partner today.
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5.0 out of 5, based on 46 real reviews.
Rankings updated: Mar 23, 2026

List of Top VoIP services companies in USA | Best VoIP Developers

Certain agencies may be featured through sponsored placements. Rankings and SF Scores remain unbiased and are based solely on our evaluation methodology.

66 Companies

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25

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

25

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 50% IT Services

  • 50% Cloud Computing Services

GET LITTLETON'S BEST IT SERVICE

We at EnTech IT Solutions take great satisfaction in forming both commercial and personal relationships with our customers. We discuss business before we discuss technology. Why? because we want to be certain that we fully comprehend your IT concerns and commercial objectives. After learning about your objectives and worries, we offer simple, useful technology solutions that are all centered on achieving business success for your company. Together, we can turn your technological infrastructure into a cutting-edge, effective tool that boosts user productivity and revenue.

View EnTech IT Solutions Profile
Inside Service Listing

$150-$199/hr

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

2 - 9

Team size
Inside Service Listing

USA

Location
Verified Client Review

Verified Client Review

IT & Communications Support for Oil & Gas Company

Reviewed by: Phil Kriz, VP of Exploration & Production at Evertson View all 1 ReviewsView all Reviews

25

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

25

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 50% IT Services

  • 40% Web Design

  • 10% Web Development

Your Local IT Service Provider

We at InfoTank have a single local staff with all the IT know-how you require. Your company deserves better than sluggish, one-size-fits-all service! Since our founding in 1998, we have exclusively hired top engineers to address issues accurately the first time. We're excited to collaborate with you.

View InfoTank Profile
Inside Service Listing

$100-$149/hr

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

USA

Location
Verified Client Review

Verified Client Review

IT Managed Services for Medical Insurance Co

Reviewed by: Renee Shockley, Georgia Director of Operations at APPS Paramedical of Georgia View all 1 ReviewsView all Reviews

25

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

25

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 50% IT Services

  • 50% Cloud Computing Services

We Make IT Happen for Multifamily!

As an NAA member with more than 15 years of expertise in the multifamily sector, we are aware of the particular requirements and difficulties faced by developers and property owners. Does your portfolio include homes in multiple cities or states? If so, our nationwide IT assistance is here to help. With our limitless onsite and remote support, CTS makes IT happen, regardless of how many properties you own—five or five hundred. With our managed IT Department (MID) solution, you can take charge of your IT expenditures. With a fixed monthly fee, our service makes it simple to budget year after year. For each property, we offer the knowledge, assistance, and technology infrastructure you need to expand your portfolio as much as you can imagine. CTS offers 24/7 support and onsite coverage for leasing offices, ensuring excellent service and timely solutions. With a 100% US-based service model, all remote and onsite labor is covered and costs are predictable, allowing for budgeting for growth. CTS customizes innovative solutions to help properties run smoothly, whether or not there is an internal IT staff. Their IT management is built on efficiency, offering both on-site and remote support. Technical experts provide support to keep the network up and running, ensuring the leasing staff stays productive. Proactive IT solutions solve problems before they affect properties, ensuring a smoothly running portfolio.

View CTS Multifamily IT Solutions Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

USA

Location
Verified Client Review

Verified Client Review

IT Services for Student Housing Investment Company

Reviewed by: Justin Farris, Founder and Managing Partner at Spectra Student Living View all 1 ReviewsView all Reviews

25

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

25

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 80% IT Services

  • 10% Web Design

  • 10% Cloud Computing Services

Vilece is IT

We deliver reliable, high-quality IT and technical services designed to support business growth and long-term success. Our team is committed to understanding your goals, providing clear communication, and offering expert guidance at every stage. With 24/7 support, fast response times, and a customer-first approach, we ensure your operations stay secure, efficient, and scalable. Our highly skilled professionals continuously invest in advanced training and emerging technologies, allowing us to deliver modern, future-ready solutions. From strategic consulting to ongoing technical support, we partner with businesses to provide dependable service, proactive insights, and technology that drives measurable results.

View Vilece Technology Services Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

USA

Location

22

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

22

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 50% IT Services

  • 50% Cloud Computing Services

IT Managed Service provider in Phoenix

Phoenix is the top supplier of managed IT services and IT support. Use Threat Alliance to safeguard and streamline your company.

View Threat Alliance Inc Profile
Inside Service Listing

$100-$149/hr

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

2 - 9

Team size
Inside Service Listing

USA

Location

22

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

22

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 50% IT Services

  • 50% Cloud Computing Services

Technology. Elevated.

As the first technology service provider of its kind, cloudIT combines top-notch solutions from six distinct service categories: managed cyber security, voice and unified communications, managed IT services, customized cloud infrastructure solutions, creative/design as a service, and value-added technology equipment integration and reselling. Our interest is using technology to streamline and make business procedures more palatable. Technology, to put it simply. High.

View cloudIT Profile
Inside Service Listing

$100-$149/hr

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

USA

Location

22

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

22

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
info
Expertise Distribution (%)
  • 50% IT Services

  • 25% Business Services

  • 25% Cloud Computing Services

Navigate Technology With Confidence

With more than 20 years of experience, 1Path is a true end-to-end IT service provider. 1Path helps businesses navigate technology with confidence, whether you're seeking for fully outsourced or co-managed IT services, cyber security expertise, innovative cloud solutions, or technology consultation.

View 1Path Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

250 - 999

Team size
Inside Service Listing

USA

Location

22

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

22

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 50% IT Services

  • 25% Cloud Computing Services

  • 25% Software Development

IT solutions for forward thinking businesses

We are experts at leveraging IT to solve business challenges because we understand it. With My IT Indy, you can improve customer satisfaction, change the way you operate, and expand your company.

View My IT Indy Profile
Inside Service Listing

$150-$199/hr

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

2 - 9

Team size
Inside Service Listing

USA

Location

22

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

22

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
info
Expertise Distribution (%)
  • 50% IT Services

  • 50% Cloud Computing Services

Your Technology Sorted.

With proactive service, strategic alignment, and a dedication to operational excellence, NEXTmsp (previously The Brookfield Group) provides comprehensive managed IT and voice solutions that support company success. Our goal, guided by decades of experience in the field, is to turn IT from a support function into a genuine strategic asset. We provide a comprehensive range of services, including business continuity planning, cloud services, infrastructure management, cybersecurity, and round-the-clock helpdesk support. Furthermore, we are experts in hosted voice solutions, offering dependable, scalable, and reasonably priced communication platforms that improve teamwork and guarantee uninterrupted connectivity among geographically dispersed groups. Our strategic delivery model distinguishes us. Our strategy, which is informed by established frameworks, places a strong emphasis on standardization, ongoing alignment, and quantifiable results. As a virtual CIO, we integrate with your operations to assist you in creating and carrying out a long-term technology roadmap that supports your corporate objectives. NEXTmsp offers the knowledge, resources, and collaboration to help you advance, whether you're a startup seeking strong support or an organization trying to maximize your technology investment. With dependable technology and transparent communication, our staff is dedicated to minimizing downtime, protecting your infrastructure, and facilitating your success. For voice and IT solutions based on reliability, effectiveness, and long-term outcomes, pick NEXTmsp.

View NEXTmsp Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

USA

Location

21

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

21

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
info
Expertise Distribution (%)
  • 45% IT Services

  • 45% Cloud Computing Services

  • 10% Software Development

We have IT Covered!

In the USA, VTC Tech has been a top supplier of cybersecurity, IT support, and IT consulting since 1999. By streamlining IT across the East Coast, we have assisted hundreds of companies in increasing production and profitability. We provide our clients with specialized technology solutions to lower IT risk and increase operational value.

View VTC Tech Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

USA

Location

20

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

20

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
info
Expertise Distribution (%)
  • 40% IT Services

  • 30% Product Engineering services

  • 10% AI Development

  • 10% Web Development

  • 10% CMS

Technology-Strategy-Partnership

360 Degrees Group is a business development solutions firm that focuses on technology. Our total experience in the Business Eco-Systems spans more than 66 years. We provide a range of services that will assist you in strengthening your bonds with existing clients and establishing new ones. We are committed to giving you a service that you can rely on and afford.

View 360 Degrees Group Profile
Inside Service Listing

< $25/hr

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

2 - 9

Team size
Inside Service Listing

USA

Location

19

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

19

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
info
Expertise Distribution (%)
  • 30% IT Services

  • 30% Web Design

  • 30% Cloud Computing Services

  • 5% Software Development

  • 5% Web Development

So that you don't have to, we concentrate on technology

S.J. Rollins Technologies Inc. is a trusted IT services company in Maine, delivering comprehensive managed IT, network security, hosted services, software development, and communication solutions since 1986. As a full-service technology solutions provider, we help businesses optimize performance, reduce costs, and strengthen their IT infrastructure. Serving organizations across diverse industries, our expert team designs, implements, and manages secure, scalable systems tailored to each client’s needs. With over 30 years of proven experience and a strong commitment to customer satisfaction, S.J. Rollins Technologies empowers businesses to operate efficiently and confidently through reliable, innovative, and results-driven technology solutions.

View S. J. Rollins Technologies Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

USA

Location

18

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

18

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
info
Expertise Distribution (%)
  • 25% IT Services

  • 25% Software Development

  • 25% Web Design

  • 25% Web Development

Focus on your core.

Bringing our clients the top computer solutions and technological competitive advantage possible is our area's specialty at CCPlus. For both small and large organisations, we offer a broad range of computer services. At CCPlus, we service networks and PCs, as well as offering sales, service, websites, upgrades, and installations of software and hardware, as well as data backup and storage options. Since we first opened for business in 1992, we have expanded.

View CCPlus Inc. Profile
Inside Service Listing

$100-$149/hr

Hourly Rate
Inside Service Listing

$5,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

USA

Location

18

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

18

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
info
Expertise Distribution (%)
  • 20% IT Services

  • 100% Cloud Computing Services

Managed Technology Solutions and CyberSecurity

That is what we are as a business to business company. If you are new to computer support done by an MSP, then you have come to a better level of service with AT-NET. We promise to give your company a better experience than you have ever had with your information technology systems. AT-NET understands the unique positions growing businesses are in to expand their services in a digital world. The digital landscape has so many challenges that a company, many times, doesn’t know where to begin. If your company needs IT expertise without the IT department price tag, then managed services are the best option for your operations.

View AT-NET Services Profile
Inside Service Listing

$150-$199/hr

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

2 - 9

Team size
Inside Service Listing

USA

Location

18

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

18

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 20% IT Services

  • 20% CMS

  • 20% Digital Marketing

  • 10% Ecommerce Development

  • 10% Business Services

  • 10% Web Design

  • 10% Web Development

Enjoy Greater ROI With Advanced Digital Marketing

Since 1997, TKG, a digital marketing firm, has assisted customers in utilizing the internet. We create enduring relationships and become trusted strategic partners to optimize return on investment rather than only providing services as a "SEO vendor" or a one-time project shop. Our team of experts offers proficiency in SEO, web design, branding, strategy, and content production. From one handy place in Canto, we also serve automation needs like relationship development and lead nurturing!

View The Karcher Group Profile
Inside Service Listing

$150-$199/hr

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

USA

Location
DigitalMonk
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Claimed by Official Representatives

11

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

11

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
info
Expertise Distribution (%)
  • 10% IT Services

  • 40% Internet of Things

  • 20% Software Development

  • 20% Product Engineering services

  • 10% Mobile App Development

Monks makes everything better

DigitalMonk is a dynamic technology company specializing in innovative digital solutions, empowering businesses through cutting-edge services in web development, IoT, AI, and embedded systems. At DigitalMonk, we offer tailored tech solutions like embedded software development, IoT-based systems, and AI (chatbots and automation), along with web development and digital marketing services. Our services: 1. Embedded Software Development Services 2. Custom Vending Solutions 3. Custom Arcade Game Software Development 4. Chatbot Development Services 5. Hire Next.js Developer 6. Custom Photo booth software

View DigitalMonk Profile
Inside Service Listing

$50-$99/hr

Hourly Rate
Inside Service Listing

$2,000 - $5,000

Min. Budget Size
Inside Service Listing

30 - 50

Team size
Inside Service Listing

USA

Location
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