Oi/Telemar

oi.com.br

telecommunications

oi.com.br

Rio de Janeiro, State of Rio de Janeiro, Brazil

5001-10000 employees

513310000 revenue

LinkedIn Profile

About Oi/Telemar

telefonia fixa e movel, gsm, 3g, banda larga, tv, 4g, digital, conectar pessoas, wifi, residencial, b2b, tecnologia, internet, inocacao, fibra otica, solucoes, iot platforms, digital security, digital solutions, fiber optic deployment

Oi/Telemar's Tech Stack

60 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

CRMs like Salesforce signal an active sales operation. Companies using Salesforce are strong targets for sales training, RevOps tools, data enrichment, and Salesforce integrations.

Oi/Telemar's Position in the StackWho Database

• Oi/Telemar is 1 of 6,980 telecommunications companies tracked in StackWho.
• 6,918 telecommunications companies in our database have verified decision-maker emails (99% of the cohort).
• 1,173 companies in State of Rio de Janeiro are in the StackWho database.
• 55 telecommunications companies are in the 5001-10000 employee range (same size as Oi/Telemar).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated August 2026.

Frequently Asked Questions

What technology does Oi/Telemar use?

Oi/Telemar uses Amazon CloudFront, Route 53, Sendgrid, Amazon AWS, Outlook, Microsoft Office 365, and 54 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Oi/Telemar?

StackWho has verified email addresses for 1 decision maker at Oi/Telemar. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Oi/Telemar directly for sales, recruiting, or partnerships.

What industry is Oi/Telemar in?

Oi/Telemar operates in the telecommunications industry, headquartered in Rio de Janeiro, State of Rio de Janeiro, Brazil. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Oi/Telemar's contact data?

Yes. StackWho Pro members can export decision maker contact data for Oi/Telemar and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.