Question 1

What is Blacklist?

Accepted Answer

A blacklist is a collection of IP addresses or other entities that are blocked because they are identified as sources of spam or malicious activity, causing email systems to filter or reject messages from them.

Question 2

How many companies implement Blacklist?

Accepted Answer

Based on our data, 1,256 companies implement Blacklist. This number is updated daily as we discover new companies through job posting analysis.

Question 3

What types of companies implement Blacklist?

Accepted Answer

Blacklist is relevant across multiple industries including Business Consulting and Services, IT Services and IT Consulting, Telecommunications. Companies range from startups to enterprises with 10,000+ employees.

Question 4

How does TheirStack track companies related to Blacklist?

Accepted Answer

TheirStack analyzes millions of job postings daily from company career pages, job boards, and recruitment platforms. When a company mentions Blacklist in their job descriptions, requirements, or responsibilities, we identify them as related to Blacklist and add them to our database.

Question 5

How can I get the full list of companies that implement Blacklist?

Accepted Answer

You can access the complete list of 1,256 companies on TheirStack. The data includes company name, industry, size, location, funding, and revenue. Available via our web app or API.

Question 6

How often is the company data updated?

Accepted Answer

Our database is refreshed daily. We continuously monitor job postings to detect new companies implementing Blacklist and update existing records.

Company	Country	Industry	Employees	Revenue	Technologies
KPMG Italy	Italy	Business Consulting and Services	265k	$35B	Blacklist
Anatomy IT	United States	IT Services and IT Consulting	155		Blacklist
Telefónica	Spain	Telecommunications	125k	$41B	Blacklist
Maxis	Malaysia	Telecommunications	7.5k		Blacklist
BNP Paribas	France	Banking	166k		Blacklist
Randstad Italia	Italy	Human Resources Services	3.8k		Blacklist
Singtel	Singapore	Telecommunications	10k		Blacklist
MicroSourcing	Philippines	Outsourcing and Offshoring Consulting	4.4k	$239M	Blacklist
Professional Recruitment	Italy	Executive Search Services	23		Blacklist
Skyhigh Security	United States	Software Development	733		Blacklist

Companies implementing Blacklist

List of companies that implement Blacklist