Independent list · re-checked September 28, 2026 · published by Primortul LLC

Top 12 lead generation companies in the US

12 lead generation companies in the US that are operating today, each checked against its own site and at least one independent source. Who leads them, the work they can show, what they cost where they publish it, and the reason each one made the list. Nobody pays to be ranked.

firms, ranked
12
sources cited
42
median years in business
17
with a named leader
10/12

The list at a glance

Scroll sideways →
#FirmBased inSinceTeamLed byPrice
01TeleverdeProfilePhoenix, AZ1995n/aVince BarsoloEstimated: $8,000–$25,000/mo, typical for US lead generation retainers; not a quote.
02CallboxProfileEncino, CA2004500+Rom AgustinEstimated $16,000 to $32,000 per month per campaign pod (one dedicated SDR plus multichannel outreach), per its pricing page; exact quotes after consultation.
03IntelemarkProfileScottsdale, AZ2000n/an/aEstimated: $8,000–$25,000/mo, typical for US lead generation retainers; not a quote.
04memoryBlueProfileTysons, VAn/an/aAurelien MottierEstimated: $8,000–$25,000/mo, typical for US lead generation retainers; not a quote.
05EBQProfileAustin, TX2006n/aTim EdwardsOutsourced staff from $5,000 per month for a half-time role and $10,000 per month for a full-time role, on annual commitment, per its pricing page.
06SalesRoadsProfileBoca Raton, FL200751–200David Kreiger$10,000+
07Abstrakt Marketing GroupProfileSt. Louis, MO2009500+Scott ScullyEstimated: $8,000–$25,000/mo, typical for US lead generation retainers; not a quote.
08LeadiumProfileLas Vegas, NV201551–200Kevin WarnerEstimated: $8,000–$25,000/mo, typical for US lead generation retainers; not a quote.
09CIENCEProfileMiami, FL2016n/an/aEstimated: $8,000–$25,000/mo, typical for US lead generation retainers; not a quote.
10SalesHiveProfileLittleton, CO2016n/aBrendan BurnettEstimated: $8,000–$25,000/mo, typical for US lead generation retainers; not a quote.
11BelkinsProfileDover, DE2017201–500Vladyslav Podoliako$1,000+ < $25 / hr
12CleverlyProfileLos Angeles, CA201811–50Nick VerityEstimated: $8,000–$25,000/mo, typical for US lead generation retainers; not a quote.

Where a firm has not published a price, the figure is a typical industry estimate, not a quote from any firm on this list.

  1. 01

    Led by Vince Barsolo, Chief Executive Officer

    • Phoenix, AZ
    • Since 1995

    Televerde is a Phoenix-based revenue services company that runs outsourced sales development, demand generation, customer support and channel programmes from contact centers in Arizona, Indiana, Argentina and Scotland. It is known for a workforce model that trains and employs incarcerated and formerly incarcerated women, and its site names SAP, Cisco, Salesforce and Adobe as clients and cites repeated G2 Leader placements in lead generation services. Clutch records a 1995 founding and 250-999 staff.

    Why it’s hereA 30-year enterprise sales development provider with named Fortune 500 clients and a distinctive social-impact workforce model.

    Best forEnterprise B2B tech companies such as SAP, Cisco and Adobe that want outsourced demand generation and sales development from a firm that trains and employs incarcerated and formerly incarcerated women.

    Televerde homepage, captured September 28, 2026
    televerde.com · homepage on September 28, 2026
    Known for
    B2B sales development · demand generation · account-based marketing · customer support and retention · channel enablement
    Named clients
    SAP, Cisco, Salesforce, Adobe
    Estimated cost

    Estimated: $8,000–$25,000/mo, typical for US lead generation retainers; not a quote.

    Typical industry estimate, not a quote from any firm on this list.

    Site checked live September 28, 2026Sources televerde.com, clutch.co, en.wikipedia.orgLinkedIn ↗

  2. 02

    Led by Rom Agustin, CEO

    • Encino, CA
    • Since 2004
    • 500+ people

    Callbox is a B2B lead generation and appointment setting company headquartered in Encino, California, founded in 2004, with more than 700 full-time staff across six offices in the US, Australia, Singapore, Malaysia, Colombia and the Philippines. It runs multichannel outbound campaigns, account-based marketing, event marketing and outsourced SDR teams, and says it has served more than 15,000 companies in over 60 countries. Its site lists Clutch's Top Lead Generation Company 2026, a G2 Grid Leader placement and a HubSpot Gold badge.

    Why it’s hereTwenty years of operation and 128 Clutch reviews, at a headcount that ranks it among the largest US-headquartered appointment-setting firms.

    Best forB2B companies that want an outsourced SDR team running calls, email and other outreach to book meetings, from a firm founded in 2004 with 700+ staff across six offices.

    Callbox homepage, captured September 28, 2026
    callboxinc.com · homepage on September 28, 2026
    Known for
    B2B lead generation · appointment setting · account-based marketing · outsourced SDR teams · event and webinar marketing
    Named clients
    Google, AWS, SAP, Microsoft, LinkedIn, Intel, HP, DHL, Fortinet
    Published pricing
    • Estimated $16,000 to $32,000 per month per campaign pod (one dedicated SDR plus multichannel outreach), per its pricing page; exact quotes after consultation.

    Site checked live September 28, 2026Sources callboxinc.com, clutch.coLinkedIn ↗

  3. 03
    • Scottsdale, AZ
    • Since 2000
    • Changed hands

    Intelemark is a US-based B2B appointment setting and telemarketing firm at 16211 N Scottsdale Road in Scottsdale, Arizona, founded in 2000 as a father-and-son business and later led by CEO Murray Goodman. It provides custom calling campaigns for appointment setting, lead qualification, account-based marketing, customer reactivation, event registration and database cleanup, and publishes case studies for medical equipment, cybersecurity and healthcare clients. Its site notes the company was acquired by Global Empire Corporation in 2024.

    Why it’s hereA 25-year US-staffed appointment-setting specialist whose site reports more than 95 percent of clients as highly satisfied.

    Best forB2B sellers with complex or technical offerings, such as healthcare, cybersecurity and consulting firms, that want outsourced appointment setting, event registration and post-trade-show lead qualification by phone.

    OwnershipIts about page says it was acquired by Global Empire Corporation in 2024; it still operates under the Intelemark name.

    Intelemark homepage, captured September 28, 2026
    intelemark.com · homepage on September 28, 2026
    Known for
    B2B appointment setting · lead qualification · customer reactivation · LinkedIn lead generation · event registration calling
    Estimated cost

    Estimated: $8,000–$25,000/mo, typical for US lead generation retainers; not a quote.

    Typical industry estimate, not a quote from any firm on this list.

    Office
    16211 N. Scottsdale Rd., Suite A6A #442 · Scottsdale, AZ · 85254 · (602) 943-7111

    Site checked live September 28, 2026Sources intelemark.com, salesbread.comLinkedIn ↗

  4. 04

    Led by Aurelien Mottier, President

    • Tysons, VA

    memoryBlue is a sales development firm headquartered at 7925 Jones Branch Drive in Tysons, Virginia, with offices in Austin, Boston, Dallas, Denver, London and Singapore, focused on B2B and B2G technology companies. It offers outsourced SDR teams, lead generation, marketing services and its own SDR recruiting and training academy, and its site cites more than two decades of results and G2 Leader badges. It also operates the London-founded sales development firm Operatix.

    Why it’s hereA two-decade US sales development firm with an Inc. 5000 Honor Roll listing and a dedicated SDR training academy.

    Best forB2B and public-sector technology companies that want an outsourced SDR team to prospect and book sales meetings, in the US or internationally.

    UpdateBacked by private equity firm Avesi Partners; acquired UK-based sales development firm Operatix in 2023.

    memoryBlue homepage, captured September 28, 2026
    memoryblue.com · homepage on September 28, 2026
    Known for
    outsourced sales development for B2B tech · lead generation · SDR recruiting and training · B2G technology sales · multilingual outbound
    Estimated cost

    Estimated: $8,000–$25,000/mo, typical for US lead generation retainers; not a quote.

    Typical industry estimate, not a quote from any firm on this list.

    Office
    7925 Jones Branch Drive, Suite 4100 · Tysons, VA · 22102

    Site checked live September 28, 2026Sources memoryblue.com, operatix.netLinkedIn ↗

  5. 05

    Led by Tim Edwards, President & CEO

    • Austin, TX
    • Since 2006

    EBQ is an Austin, Texas outsourced sales and marketing company founded in 2006 and located at 13341 W US 290, offering appointment setting and lead qualification, quota-carrying sales teams, B2B data, digital marketing and Salesforce and HubSpot CRM optimisation. It positions itself as a full-service provider across the buyer journey and owns the Acquirent family of firms, including LeadJen and Vorsight. Its appointment setting practice is US-based.

    Why it’s hereA 20-year Austin firm that combines US-based appointment setting with ownership of three other sales development brands.

    Best forB2B companies that want outsourced appointment setting, sales development, data work and Salesforce or HubSpot setup on a flat monthly fee from an Austin firm founded in 2006.

    UpdateIn November 2025 EBQ brought Acquirent and its brands LeadJen and Vorsight into its organization.

    EBQ homepage, captured September 28, 2026
    ebq.com · homepage on September 28, 2026
    Known for
    appointment setting · lead qualification · outsourced sales teams · B2B data · CRM optimisation
    Published pricing
    • Outsourced staff from $5,000 per month for a half-time role and $10,000 per month for a full-time role, on annual commitment, per its pricing page.
    Office
    13341 W U.S. 290, Bldg. 2 · Austin, TX · 78737 · (512) 637-9696

    Site checked live September 28, 2026Sources ebq.com, leadjen.comLinkedIn ↗

  6. 06

    Led by David Kreiger, Founder and President

    • Boca Raton, FL
    • Since 2007
    • 51–200 people

    SalesRoads is a sales outsourcing company at 10055 Yamato Road in Boca Raton, Florida, founded in 2007, providing appointment setting, outsourced SDR teams, account reactivation and list building through outbound calling and email. It serves manufacturing, healthcare, SaaS and federal, state and local government sectors, and Clutch records 50-249 staff with a 4.9 rating across 66 reviews. The Manifest and Clutch both rank it among the top US lead generation providers.

    Why it’s hereA Florida appointment-setting firm operating since 2007 with a public-sector specialism and 66 verified Clutch reviews.

    Best forB2B software, manufacturing and logistics companies that want an outsourced SDR team to handle cold calling, email outreach and appointment setting for their sales reps.

    SalesRoads homepage, captured September 28, 2026
    salesroads.com · homepage on September 28, 2026
    Known for
    B2B appointment setting · outsourced SDR teams · account reactivation · list building · government sector outreach
    Selected work
    • AchieveIt. Outbound appointment setting; the case study reports 937 appointments and $27M in total pipeline. case study ↗
    • Protecht. Outbound prospecting that the case study credits with 807 opportunities identified. case study ↗
    • Crewhu. Appointment-setting program that set 298 appointments, per the case study. case study ↗
    Recognition
    Published pricing
    • Minimum project on Clutch$10,000+
    Office
    10055 Yamato Road, Suite 512 · Boca Raton, FL · 33498 · 1-800-836-4033

    Site checked live September 28, 2026Sources salesroads.com, clutch.co, themanifest.comLinkedIn ↗

  7. 07

    Led by Scott Scully, Chief Executive Officer

    • St. Louis, MO
    • Since 2009
    • 500+ people

    Abstrakt Marketing Group is a St. Louis-based lead generation agency founded in 2009 that combines B2B appointment setting by cold calling, cold email and LinkedIn with digital marketing, creative, Salesforce RevOps and talent services. Its site reports more than 500 staff, 2,000-plus active clients and over 100,000 appointments set per year, and it also operates the St. Louis outreach firm Sapper Consulting. Inc. lists it as a ten-time Inc. 5000 honoree, most recently at No. 3,808 in 2024.

    Why it’s hereThe largest Midwest-headquartered appointment-setting firm, with ten Inc. 5000 appearances and eight St. Louis Post-Dispatch Top Workplaces awards.

    Best forSmall and mid-size B2B companies that want to outsource appointment setting and outbound calling along with inbound marketing; the firm, founded in 2009, says it books over 100,000 appointments a year for 2,000+ clients.

    Abstrakt Marketing Group homepage, captured September 28, 2026
    abstraktmg.com · homepage on September 28, 2026
    Known for
    B2B appointment setting · outbound and inbound lead generation · SEO and PPC · Salesforce RevOps · creative services
    Estimated cost

    Estimated: $8,000–$25,000/mo, typical for US lead generation retainers; not a quote.

    Typical industry estimate, not a quote from any firm on this list.

    Site checked live September 28, 2026Sources abstraktmg.com, inc.com, clutch.coLinkedIn ↗

  8. 08

    Led by Kevin Warner, Co-founder and CEO

    • Las Vegas, NV
    • Since 2015
    • 51–200 people

    Leadium is a US-based sales development agency at 11035 Lavender Hill Drive in Las Vegas, founded in 2015 by CEO Kevin Warner and Sergey Olexa, with a 100 percent US-based SDR team. It provides outbound appointment setting, inbound lead qualification, data sourcing, email, phone and LinkedIn prospecting and sales gifting, and names Segment, SignalWire, Phunware, Bottomline, Veem and People.ai among clients. Clutch ranks it first on its US lead generation page with a 5.0 rating across 76 reviews and 50-249 staff.

    Why it’s hereTop-ranked on Clutch's US lead generation list with 76 five-star reviews and an all-US SDR workforce.

    Best forB2B sales teams that want to outsource outbound prospecting, including cold email, cold calling, LinkedIn outreach and appointment setting, on month-to-month contracts.

    Leadium homepage, captured September 28, 2026
    leadium.com · homepage on September 28, 2026
    Known for
    outbound appointment setting · inbound lead qualification · lead research and data sourcing · omni-channel prospecting · deliverability and sales technology
    Named clients
    Segment, OpenEdge, SignalWire, Phunware, Bottomline, PFL, Veem, People.ai
    Estimated cost

    Estimated: $8,000–$25,000/mo, typical for US lead generation retainers; not a quote.

    Typical industry estimate, not a quote from any firm on this list.

    Office
    11035 Lavender Hill Drive, Suite 160 · Las Vegas, NV · 89135

    Site checked live September 28, 2026Sources leadium.com, clutch.coLinkedIn ↗

  9. 09
    • Miami, FL
    • Since 2016
    • Changed hands

    CIENCE is a managed go-to-market execution service headquartered at 360 NW 27th Street in Miami, founded in 2016, that builds qualified sales meetings through managed SDR teams, outbound campaigns, inbound qualification and audience data. Its site cites more than 2,500 B2B clients, over 115 published case studies and named work for Microsoft, Google, Uber, Salesforce, Okta and Airbnb, and notes SOC 2 Type II compliance. Its assets are now part of the graph8 group, which also runs the Tenbound research arm.

    Why it’s hereA decade of documented sales development engagements for named enterprise clients, with more than 115 public case studies.

    Best forB2B software and tech companies that want outsourced SDRs, prospect data and outbound campaigns in multiple languages, now paired with graph8's go-to-market software.

    OwnershipCIENCE's about page says graph8 acquired its assets; the CIENCE site still sells sales development services.

    CIENCE homepage, captured September 28, 2026
    cience.com · homepage on September 28, 2026
    Known for
    managed SDR teams · outbound campaigns · inbound qualification · B2B audience data · GTM playbooks
    Named clients
    Microsoft, Google, Uber, Salesforce, Okta, Segment, Airbnb, BetterHelp
    Estimated cost

    Estimated: $8,000–$25,000/mo, typical for US lead generation retainers; not a quote.

    Typical industry estimate, not a quote from any firm on this list.

    Office
    360 NW 27th St. · Miami, FL · 33127 · +1 (857) 365-6820

    Site checked live September 28, 2026Sources cience.com, leadium.comLinkedIn ↗

  10. 10

    Led by Brendan Burnett, Founder and CEO

    • Littleton, CO
    • Since 2016

    SalesHive is a remote-first B2B sales development agency founded in 2016 and registered at 9888 W Belleview Avenue in Littleton, Colorado, that runs cold calling and email campaigns with 100 percent US-based SDRs on its own platform, including a power dialer, eMod email personalisation and Smart Inbox reply management. Its site reports more than 129,000 qualified meetings booked and $2.5 billion in pipeline across 2,285 clients in 47 industries, sold on month-to-month flat-rate contracts. Clutch lists 250-999 staff, so the size band is left unstated here.

    Why it’s hereA US-staffed SDR agency that publishes cumulative meeting counts above 129,000 and operates on month-to-month contracts.

    Best forB2B companies that want US-based outsourced SDRs booking qualified meetings through cold calls and email on month-to-month terms.

    SalesHive homepage, captured September 28, 2026
    saleshive.com · homepage on September 28, 2026
    Known for
    cold calling and email outreach · B2B appointment setting · list building · AI-assisted sales platform · outsourced SDR
    Selected work
    • Manufacturing operations SaaS platform (Chicago, unnamed). Ran AI-personalized email plus US-based cold calling to mid-market manufacturers; booked 238 meetings and $4.3M in pipeline over 14 months. case study ↗
    Estimated cost

    Estimated: $8,000–$25,000/mo, typical for US lead generation retainers; not a quote.

    Typical industry estimate, not a quote from any firm on this list.

    Site checked live September 28, 2026Sources saleshive.com, clutch.co, crunchbase.com

  11. 11

    Led by Vladyslav Podoliako, Founder and CEO

    • Dover, DE
    • Since 2017
    • 201–500 people

    Belkins is a B2B lead generation agency headquartered at 8 The Green in Dover, Delaware, founded in 2017 by Vladyslav Podoliako and Michael Maximoff, with more than 300 staff as of late 2022. It provides appointment setting, cold email and cold calling, LinkedIn lead generation, lead research, account-based marketing, deliverability consulting and HubSpot CRM services. Its site lists a No. 5 global ranking among 1,000 agencies by Clutch in 2025, G2 Leader status in Winter 2026 and an Inc. Mid-Atlantic fastest-growing listing in 2023, and Clutch records 233 reviews at 4.9.

    Why it’s hereThe most-reviewed appointment-setting agency on Clutch's US lead generation page, ranked No. 5 among 1,000 agencies globally by Clutch in 2025.

    Best forB2B companies that want an outsourced outbound team for cold email, cold calling, LinkedIn outreach and appointment setting, at low hourly rates.

    Belkins homepage, captured September 28, 2026
    belkins.io · homepage on September 28, 2026
    Known for
    B2B appointment setting · cold email outreach · LinkedIn lead generation · outsourced SDR · deliverability consulting
    Published pricing
    • Minimum project on Clutch$1,000+
    • Hourly rate on Clutch< $25 / hr
    Office
    8 The Green, STE 4331 · Dover, DE · 19901 · +1 302-803-5506

    Site checked live September 28, 2026Sources belkins.io, clutch.co

  12. 12

    Led by Nick Verity, Chief Executive Officer

    • Los Angeles, CA
    • Since 2018
    • 11–50 people

    Cleverly is a done-for-you B2B lead generation agency founded in Los Angeles at 12655 W Jefferson Boulevard, now operating with a fully remote team led by founder Bruce Merrill and CEO Nick Verity. It runs LinkedIn outreach, cold email, cold calling and outsourced SDR programmes, and its site publishes more than 100 case studies naming Google, Twilio, Aramark, New York Life and Vistage among clients. Clutch records a 2018 founding, 10-49 staff and 85 reviews, and the firm cites more than 1,000 five-star reviews across platforms.

    Why it’s hereA LinkedIn-outreach specialist that claims the most five-star reviews of any B2B lead generation agency and publishes over 100 named case studies.

    Best forB2B SaaS companies, consultancies and service firms that want done-for-you LinkedIn, cold email and cold calling outreach to book sales meetings.

    UpdateFounded by Bruce Merrill; says it has served more than 5,000 clients.

    Cleverly homepage, captured September 28, 2026
    cleverly.co · homepage on September 28, 2026
    Known for
    LinkedIn lead generation · cold email outreach · appointment setting · white-label lead generation · cold calling
    Named clients
    Google, Twilio, Aramark, New York Life, Vistage, Bambee, Kunai
    Selected work
    • Productiv. Outbound campaigns credited with 37 closed deals in 12 months. case study ↗
    • Kunai. Outbound program credited with $3.25 million in sourced pipeline. case study ↗
    • Full Pipe. Outreach that booked 41 meetings in 3 months. case study ↗
    Estimated cost

    Estimated: $8,000–$25,000/mo, typical for US lead generation retainers; not a quote.

    Typical industry estimate, not a quote from any firm on this list.

    Site checked live September 28, 2026Sources cleverly.co, clutch.coLinkedIn ↗

The market this list sits in

478,200 advertising, public relations and related services jobs in the United States, September 2026 (preliminary).

US Bureau of Labor Statistics ↗
How it’s made

Every firm here was checked twice.

  1. 01
    Find

    Firms come from industry directories, business press, award lists and the client rosters of firms already known to do the work.

  2. 02
    Verify

    A firm's own site has to be live and describe the work. A second, independent source has to agree that it exists and does it.

  3. 03
    Record

    Leaders, addresses, founding years, awards and case studies are copied from a page we loaded, and each carries its link. A field stays blank until a source states it.

  4. 04
    Rank

    The order is editorial: longevity, named clients, scale and a clear specialism, in roughly that weight. Firms cannot buy a position.

  5. 05
    Re-check

    Every entry was re-checked on September 28, 2026, homepage captured, ownership confirmed. Firms that closed, stopped doing this work or changed hands are removed or noted in the change log below.

The featured card is paid placement for Fracs, which shares this list’s publisher. It sits outside the ranking. Read the full editorial standards, or write to lists@primortul.com with a correction or a firm we missed.

Change log

What changed at the September 2026 check

  • Ownership · Intelemark

    Its about page says it was acquired by Global Empire Corporation in 2024; it still operates under the Intelemark name.

  • Removed · LeadGenius

    Removed. LeadGenius now sells a B2B contact data product and no longer runs lead generation for clients.

  • Ownership · CIENCE

    CIENCE's about page says graph8 acquired its assets; the CIENCE site still sells sales development services.

Asked, answered

Questions before you hire a lead generation company in the US

How many lead generation companies in the US are on this list, and where are they?
12. The 12 firms are spread across Phoenix, Encino, Scottsdale, Tysons, Austin, Boca Raton and 6 other cities. Each was checked against its own site and at least one independent source. Nobody pays to be ranked.
How do I choose between lead generation companies in the US?
Write down what done looks like. Read why each firm is on the list and keep the two or three whose reason matches your job. Ask each for one piece of work like yours, and the name of the person who would do it. 1 of the 12 here are under 50 people, so the people you meet are usually the people who do the work.
Did any of these firms pay to be listed?
No. Nobody pays to be ranked. The order weighs how long a firm has done the work, clients it can name, its size, and how clear its specialism is. The one paid card is marked Featured. It sits outside the ranking. It is Fracs, which shares this list's publisher.
How long have these lead generation companies been around?
The oldest firm on this list states 1995 as its founding year. A year is shown only when the firm states one.
What should I bring to a first call with a lead generation company?
What you sell, what is not working, what done looks like, a budget range, and when you want to start. The form on this page asks for those. Asking is free. You do not have to hire anyone.
How is this list kept current?
Re-checked September 28, 2026. Dead sites come off. Mergers and renames are updated. Firms that belong are added. Send a correction to lists@primortul.com. If you are the firm, use the For partners form.
News & trends

What the trade press is writing about lead generation companies.

Headlines, the source, the date, and a link. The article stays on the site that published it. If a feed is down, it is left off.

On lead generation companies

Google News. Headline and link only.

  1. 7 Best Lead Generation CompaniesTechRepublic · a month ago

Notes on this list

Free · no obligation

Describe the job. One lead generation company writes back.

Tell us what you sell, what is not working, and what done looks like. We read it and ask one provider — from this list, or from the publisher’s bench — to contact you within a business day. Asking is free. You do not have to hire them. Nobody else gets what you wrote.

When

Sending shares what you wrote with the one provider we match you to. How that works.