Identity graph
IRPC headquarters, locations and relationships
- Legal name
- IRPC Public Company Limited
- Industry
- Chemical Manufacturing
- Founded
- 1978
- Ticker
- SET: IRPC
- Phone
- +66 2 765 7000
- Website
- irpc.co.th
- LinkedIn profile for IRPC
IRPC office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Rayong | Rayong | Thailand | Headquarters |
| Calgary | Alberta | Canada | Office |
| Bangkok | Bangkok | Thailand | Office |
| Chumphon | Chumphon | Thailand | Office |
| Mae Chan | Chiang Rai | Thailand | Office |
| Yasothon | Yasothon | Thailand | Office |
- Parent company
- IRPC is part of PTT.
Verified from public filings, company websites and news · Methodology
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About IRPC
IRPC (SET: IRPC) is headquartered in Rayong, Rayong, Thailand. Founded in 1978, the company has 11 recorded locations across 3+ countries and employs approximately 3,000 people worldwide.
Where is IRPC's main office?
IRPC's main headquarters office is located at 299 Moo 5 Sukhumvit Rd Tambon Choeng Noen, Rayong, Rayong 21000, Thailand. This is the company's primary corporate address.
IRPC regional offices
Beyond its headquarters in Rayong, IRPC has recorded locations in Thailand, Canada and United States.
IRPC contact information
The main switchboard for IRPC headquarters can be reached at +66 2 765 7000. Official website: irpc.co.th.
What does IRPC do?
PC Public Company Limited or IRPC (Company) formerly Thai Petrochemical Industry Public Company Limited or “TPI” was registered in 1978 by the Leophairatana family. IRPC and its subsidiaries are currently the first fully integrated petrochemical complex in Southeast Asia.
One entity, every stage
Put IRPC to work across your revenue bowtie
- Target Define the market Build the account list from companies shaped like your best customers, IRPC included. Fingerprint search
- Cover Plan territories IRPC's 11 locations roll up to one account, so it lands in one territory, once. Territory planning
- Engage Act on timing Leadership changes, funding and M&A arrive linked to the account, not a loose headline. Signal monitoring
- Convert Close on a resolved record Inbound and closed-won attach to one CRM record, with no duplicates to merge. CRM enrichment
- Retain Ground every answer Customer teams and AI agents answer from the same entity, with a source and a date. AI agent data layer
- Expand Find the next buyer inside Follow subsidiaries and divisions to the next team that can buy. Account expansion
About the source
What is GraphIQ.ai?
A B2B identity graph. It resolves each organization into one verified entity and maps its parent and subsidiaries, employees, competitors and news signals. Revenue teams use it in the product; AI agents query it through the REST API and MCP server.
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IRPC: frequently asked questions
Where is IRPC headquarters?
299 Moo 5 Sukhumvit Rd Tambon Choeng Noen, Rayong, Rayong 21000, Thailand.
What is IRPC's phone number?
+66 2 765 7000 (headquarters).
When was IRPC founded?
1978.
How many employees does IRPC have?
About 3,000, as of October 2026 (GraphIQ.ai estimate).
How many offices does IRPC have?
11 locations across 3+ countries, including Calgary, Bangkok, Chumphon, Mae Chan.
Is IRPC a public company?
Yes. IRPC trades on SET under the ticker IRPC.
Questions about GraphIQ.ai
Is GraphIQ.ai a list of companies like a spreadsheet?
No. Each organization resolves to one verified entity linked to its parent, subsidiaries, people and signals, so IRPC here is the same IRPC in your CRM, territory plan and agent answers.
Where does this IRPC data come from?
Public filings, company websites and news, resolved to one entity and continuously updated.