Technology Companies — Email Directory (Page 20 of 91) | Signal Plug

Signal Plug's directory covers 9,025 technology companies. Browse verified email formats, leadership contacts, and headquarters information for each company — then use Signal Plug's email finder to look up any employee by name.

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Technology Companies A–Z (Page 20 of 91)

  • Dave Com — St. Louis, United States, davecom.com, Est. 2024
  • Davidson's INC — Austin, United States, davidson'sinc.com, Est. 1955
  • Davien — Cape Town, South Africa, davien.com, Est. 1950
  • Davita — Pittsburgh, United States, davita.com, Est. 2023
  • Day's Jewelers — Melbourne, Australia, day'sjewelers.com, Est. 1964
  • Daydreamer La — Tampa, United States, daydreamerla.com, Est. 2022
  • Dayforce — Louisville, United States, dayforce.com, Est. 2014
  • Daysmartvet — Salt Lake City, United States, daysmartvet.com, Est. 1970
  • Daytodayuae — Kansas City, United States, daytodayuae.com, Est. 2003
  • Db Infrago — Shanghai, China, dbinfrago.com, Est. 1967
  • Dbg Technology Co LTD — Mexico City, Mexico, dbgtechnologycoltd.com, Est. 1972
  • Dbo Partners — Kuala Lumpur, Malaysia, dbopartners.com, Est. 2016
  • Dbschenker — Vancouver, Canada, dbschenker.com, Est. 2015
  • Dbtlabs — Minneapolis, United States, dbtlabs.com, Est. 2016
  • Dcblox INC — San Francisco, United States, dcbloxinc.com, Est. 2001
  • Dcl — Milan, Italy, dcl.com, Est. 2002
  • Dcm Services — Atlanta, United States, dcmservices.com, Est. 1984
  • Dcsagov — Nashville, United States, dcsagov.com, Est. 1967
  • Dd Xsmn Soi Cau Du Doan Kq Xsmn Ket Qua Xo So Mien Nam Ngay Hom Nay Chinh Xac Nhat — Austin, United States, ddxsmnsoicaududoankqxsmnketquaxosomiennamngayhomnaychinhxacnhat.com, Est. 1955
  • Deacero Usa INC — Seattle, United States, deacerousainc.com, Est. 1956
  • Dealer Specialties — Ann Arbor, United States, dealerspecialties.com, Est. 1998
  • Dealerlogix — Edinburgh, United Kingdom, dealerlogix.com, Est. 1973
  • Dealnews Com — Atlanta, United States, dealnewscom.com, Est. 1959
  • Decathlon — Salt Lake City, United States, decathlon.com, Est. 2020
  • Decathlon Group — New York, United States, decathlongroup.com, Est. 2000
  • Decentralized Masters — Melbourne, Australia, decentralizedmasters.com, Est. 2014
  • Decision Tactical — Houston, United States, decisiontactical.com, Est. 2004
  • Decision Technologies INC — Orlando, United States, decisiontechnologiesinc.com, Est. 1982
  • Decisiondeskhq — Dubai, United Arab Emirates, decisiondeskhq.com, Est. 1970
  • Decisive Zone — Auckland, New Zealand, decisivezone.com, Est. 2022
  • Decks And Docks — Barcelona, Spain, decksanddocks.com, Est. 1987
  • Decktopus — Los Angeles, United States, decktopus.com, Est. 1977
  • Declaration Partners — Houston, United States, declarationpartners.com, Est. 1954
  • Decohere — Hong Kong, Hong Kong, decohere.com, Est. 1969
  • Decrametalroofing — Oslo, Norway, decrametalroofing.com, Est. 2005
  • Deel — New York, United States, deel.com, Est. 2000
  • Deepai Cloud — Mumbai, India, deepaicloud.com, Est. 1985
  • Deepl — Orlando, United States, deepl.com, Est. 2007
  • Defitechglobal — Nashville, United States, defitechglobal.com, Est. 2017
  • Degreed — Melbourne, Australia, degreed.com, Est. 1989
  • Deidentification — Austin, United States, deidentification.com, Est. 2005
  • Dekkoishogroup — Richmond, United States, dekkoishogroup.com, Est. 2011
  • Dekkolegacy — Auckland, New Zealand, dekkolegacy.com, Est. 1972
  • Deletinc — Kansas City, United States, deletinc.com, Est. 1978
  • Deljo Heating And Cooling — Boston, United States, deljoheatingandcooling.com, Est. 2007
  • Delltechnologies — Austin, United States, delltechnologies.com, Est. 2005
  • Deloitte — Montreal, Canada, deloitte.com, Est. 1996
  • Delta Electronics — Cleveland, United States, deltaelectronics.com, Est. 1980
  • Delta Electronics Americas — Manila, Philippines, deltaelectronicsamericas.com, Est. 1992
  • Delta Sigma Pi — Dubai, United Arab Emirates, deltasigmapi.com, Est. 1995
  • Deltautilities — Stockholm, Sweden, deltautilities.com, Est. 1987
  • Deltax — Des Moines, United States, deltax.com, Est. 1969
  • Deltek — Sacramento, United States, deltek.com, Est. 2008
  • Deluxe1915 — Hong Kong, Hong Kong, deluxe1915.com, Est. 2019
  • Delv Search — Dubai, United Arab Emirates, delvsearch.com, Est. 1995
  • Demand The Limits — New York, United States, demandthelimits.com, Est. 1950
  • Demandbase — Denver, United States, demandbase.com, Est. 1983
  • Demos Ideas & Action — Madison, United States, demosideas&action.com, Est. 2024
  • Dennis Kirk INC — Tampa, United States, denniskirkinc.com, Est. 1997
  • Dentsplysirona — Pittsburgh, United States, dentsplysirona.com, Est. 1973
  • Dentsu — Boston, United States, dentsu.com, Est. 1982
  • Denys Arabia Company — Hartford, United States, denysarabiacompany.com, Est. 1965
  • Department Of Government Efficiency — Tampa, United States, departmentofgovernmentefficiency.com, Est. 2022
  • Deployed Services — Pittsburgh, United States, deployedservices.com, Est. 1998
  • Depositlink — Minneapolis, United States, depositlink.com, Est. 1966
  • Depotconnectinternational — Seattle, United States, depotconnectinternational.com, Est. 1981
  • Derekmoneyberg — Irvine, United States, derekmoneyberg.com, Est. 1966
  • Derma Konsep Estetika — Detroit, United States, dermakonsepestetika.com, Est. 2002
  • Dermatica — Vienna, Austria, dermatica.com, Est. 2009
  • Descartes Systems Group — Memphis, United States, descartessystemsgroup.com, Est. 1960
  • Desconofficial — Milwaukee, United States, desconofficial.com, Est. 1954
  • Desert Radiology — Istanbul, Turkey, desertradiology.com, Est. 2013
  • Design By Si — Madison, United States, designbysi.com, Est. 1974
  • Design Com Official — Philadelphia, United States, designcomofficial.com, Est. 1964
  • Design Eyewear Group — Milwaukee, United States, designeyeweargroup.com, Est. 1979
  • Design With Friends — Jakarta, Indonesia, designwithfriends.com, Est. 1989
  • Designgurus — Richmond, United States, designgurus.com, Est. 1986
  • Designhill — Boston, United States, designhill.com, Est. 2007
  • Designrush — Los Angeles, United States, designrush.com, Est. 1952
  • Deskera — Copenhagen, Denmark, deskera.com, Est. 2004
  • Desnetid — Columbus, United States, desnetid.com, Est. 2001
  • Detox India Pvt LTD Operated By Veolia — Kansas City, United States, detoxindiapvtltdoperatedbyveolia.com, Est. 1953
  • Detroit Axle — Nairobi, Kenya, detroitaxle.com, Est. 1974
  • Detroit Venture Partners — Pittsburgh, United States, detroitventurepartners.com, Est. 1973
  • Deutschland De — Milwaukee, United States, deutschlandde.com, Est. 1979
  • Dexcom — Seoul, South Korea, dexcom.com, Est. 2016
  • Dexcom Ireland Athenry — Beijing, China, dexcomirelandathenry.com, Est. 2018
  • Dexterityinc — Riyadh, Saudi Arabia, dexterityinc.com, Est. 2019
  • Dfinsolutions — Chicago, United States, dfinsolutions.com, Est. 1953
  • Dfo Management — Miami, United States, dfomanagement.com, Est. 1986
  • Dfw Plastics INC — Oslo, Norway, dfwplasticsinc.com, Est. 2005
  • Dgda SA — São Paulo, Brazil, dgdasa.com, Est. 1971
  • Dh Pace — San Diego, United States, dhpace.com, Est. 1987
  • Dhatronic Tech — Madison, United States, dhatronictech.com, Est. 1974
  • Dhl — Orlando, United States, dhl.com, Est. 2007
  • Dhrglobal — Brussels, Belgium, dhrglobal.com, Est. 2010
  • Diageo — Louisville, United States, diageo.com, Est. 1964
  • Dialog Direct — Stockholm, Sweden, dialogdirect.com, Est. 1962
  • Dialpad — Boise, United States, dialpad.com, Est. 2018
  • Diamond Banc — Omaha, United States, diamondbanc.com, Est. 1970

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About the Technology Industry

The technology industry is the largest and most diverse sector in the Signal Plug database, spanning over 9,000 companies from early-stage startups to Fortune 500 enterprises. It encompasses hardware manufacturers, software developers, IT services firms, cloud platforms, and everything in between. Despite the breadth of the sector, one constant remains: email is the primary channel for B2B outreach, sales, recruiting, and partnership development.

Whether you are selling developer tools, recruiting senior engineers, or building a channel partner network, reaching the right technology professional requires accurate contact data. Technology companies typically have strict spam filtering and well-trained professionals who delete cold emails that are generic or poorly targeted. The bar for personalization is higher than almost any other industry.

Key Roles & Decision Makers in Technology

  • Chief Technology Officer (CTO) — Responsible for technical strategy, infrastructure decisions, and evaluating new technology vendors. Key for enterprise software sales and partnerships.
  • VP of Engineering — Oversees engineering teams, hiring pipelines, and delivery execution. Influential in headcount decisions and tooling purchases.
  • Director of IT / IT Manager — Manages day-to-day technology operations, security, and vendor contracts. Gatekeepers for SaaS tool purchases.
  • Product Manager — Defines product roadmaps and works with engineering. Often the economic buyer for specialized developer or product management tools.
  • Head of DevOps / Platform Engineering — Controls cloud infrastructure, CI/CD pipelines, and observability tooling. Decision maker for infrastructure and deployment products.
  • CISO / Head of Security — Owns security posture and evaluates cybersecurity tools. Critical contact for any security or compliance product.

Email Outreach Strategies for Technology Companies

Technology professionals receive more cold outreach than almost any other sector. This means your email must be specific, technically credible, and brief. Referencing a company's tech stack, a recent product launch, or a known pain point in their engineering org signals that you have done your homework.

Effective subject lines for technology outreach focus on outcomes, not features. 'How [Company] can reduce cloud spend by 20%' outperforms 'Introducing our cost optimization platform' every time. Personalization at the first line — referencing their tech stack on StackShare, a GitHub repo, or a recent engineering blog post — significantly improves open rates.

Multi-threading matters in technology companies. A single champion in a tech org rarely closes a deal alone. Identifying and emailing the VP of Engineering, the CTO, and the Head of IT simultaneously — with slightly different messaging tailored to each role's priorities — increases conversion rates meaningfully.

Finding Verified Emails at Technology Companies

Technology companies span a huge range of email format conventions. Startups tend to use firstname@company.com while enterprises lean toward firstname.lastname@company.com or f.lastname@company.com. The variance is high, and guessing the wrong format leads to hard bounces that damage your sender reputation.

Signal Plug queries the Gamalogic verification API to test email patterns against the live mail server for each domain before returning a result. For technology company domains, this real-time verification is especially valuable because many tech firms use custom spam filtering that rejects pattern-guessed emails that haven't passed SMTP validation.

For roles like CTO or VP Engineering at larger tech companies, LinkedIn is a useful complement — use the professional's name and company domain together in Signal Plug to get a verified address rather than relying on public directories, which are often out of date.

Email Compliance in Technology Outreach

Technology companies are concentrated in California and are therefore subject to CCPA in addition to CAN-SPAM. B2B email outreach to work email addresses is generally permissible under both frameworks, but you must include an unsubscribe mechanism and honor opt-outs within ten business days under CAN-SPAM.

Many technology companies have privacy-conscious employees who are familiar with data regulations. Using a verified, professional email address rather than a scraped personal email — and making your outreach clearly relevant to their business role — significantly reduces spam complaints and keeps your deliverability intact.

Frequently Asked Questions

What is the best email format for technology companies?
It varies by company size. Startups (under 50 employees) most commonly use firstname@domain.com. Mid-size technology companies frequently use firstname.lastname@domain.com. Large enterprises may use first initial + lastname (flastname@domain.com). Signal Plug tests the live mail server for each domain to return the verified format.
How do I reach a CTO by email?
Find their verified email using Signal Plug, then write a subject line focused on a specific technical outcome relevant to their stack. Keep the email under 100 words, reference something specific about their company, and close with a clear and low-friction ask.
How many technology companies are in the Signal Plug database?
Signal Plug's directory includes over 9,000 technology companies with verified contact information, covering the full spectrum from seed-stage startups to publicly traded enterprises.

Find Professional Emails at Technology Companies

Signal Plug uses live SMTP verification — not a static database — to find verified email addresses for employees at any technology company. Enter a person's name and their company domain to get a verified email address with a confidence score and deliverability status in under 2 seconds.

Start finding emails free — 10 free searches, no credit card required. Browse all 14,872 companies