Top Companies using
Open Five
Discover top companies adopting Open Five and access decision makers to create a qualified prospecting list in minutes.
See all Top Companies NowLast updated on July 09, 2026.
Top Companies using Open Five
| Company | Location | Employees | Industry | |
|---|---|---|---|---|
|
10, Place Vendôme, Paris, Île-de-France, 75001, FR |
51-200 employees |
Oil & Energy |
See all employees | |
|
S
|
ZONE INDUSTRIELLE DE L INQUETERIE 7 RUE PIERRE MARTIN, ST MARTIN BOULOGNE, 62280, FR |
51-200 employees |
Wholesale |
See all employees |
|
FR |
11-50 employees |
Oil & Energy |
See all employees | |
|
|
2-10 employees |
|
See all employees |
Technology alternatives and competitors
Material Ui 2025
Typescript 3
Amazon Sqs Cloud
Kotlin Latest Sdk
Php Latest Integration
Dbt Api Module
Sendgrid Enterprise Integration
Digitalocean Droplets Adapter
Koa V2 Adapter
Django 2025 Integration
Neo4J Cluster Adapter
Redis Streams Stream Adapter
Additional top technologies list
Top companies using bValidator
Top companies using Whova
Top companies using Superlinks
Top companies using 2gether
Frequently Asked Questions about Open Five
What is Open Five?
Discover top companies adopting Open Five and access decision makers to create a qualified prospecting list in minutes. Download a FREE sample list of decision makers
How many companies use Open Five?
Currently, 150 companies use Open Five. This includes enterprises and SaaS businesses across multiple industries. Download the FREE sample list
Which companies use Open Five?
Major organizations like Ma Meilleure Energie | Courtier Energie | Panneaux Photovoltaïques | Bornes de Recharges IRVE, SOCOLDIS, MaMeilleurEEnergie.fr, and Socoldis1 use Open Five. Browse the complete company list above for direct access to decision makers.
Which industries use Open Five most?
Industries that rely heavily on Open Five include Business Services, Custom Software & IT Services, and Enterprise Software.
What are the best alternatives to Open Five?
Companies often compare Open Five with Microsoft Azure, Okta, CyberArk, and OpenID Connect.
How often is this data updated?
ContactOut dataset is refreshed every 10 days to ensure you access the latest companies and verified decision makers. Sign up for a free account to access the latest data.
Find your ideal prospects with precision
Trusted by 1.4M
recruiters and sales reps
from Fortune 500 companies
“ContactOut makes getting contact information from people's LinkedIn profiles a breeze. I have been able to get in contact with people relevant to my business that I otherwise would not have been able to.”
Jacob Ostler
Sales Team Lead at Clientbook
“ContactOut is the best tool out there in terms of accuracy and frequency of contact information found. I've managed to get in touch with people that I wouldn't have been able to which is crucial for my job.”
Teddy Albert
Account Manager at AlphaSights
“With ContactOut, it's made my life incredibly easier to do my job on a daily basis to get in touch with those tough to reach people with the correct emails, the right domain, and even the right phone numbers.”
Clayton Smith
Billing Manager at Venturi Ltd
“For us, this is it. We’ve got to use ContactOut.
ContactOut helps us connect with people I am not currently connected to but need their contact info rather quickly. It helps you do your job correctly and more efficiently.”
Brian Hathway
Vice President of Business Development at BDEX
Won New Big Clients
such as Amazon, Estee Lauder & Citibank
2x Sales Outputs
With increased speed & accuracy in prospecting
More Sales Closed
within weeks from first contact
Get quality leads,
close more calls
with ContactOut
Reach the right decision makers, optimize your sales process, and grow your revenues, faster.
