Plains All American Pipeline is headquartered in Houston, Texas, at 333 Clay Street, Suite 1600. The company’s corporate office is the central point for executive leadership, investor relations, and official business contact routes. If you’re trying to verify the headquarters address, reach the right department, or find the best escalation path for a corporate inquiry, this page pulls the key facts together in one place.
Below, you’ll find the official headquarters details, the main corporate phone number, the investor relations email, leadership information, careers links, and practical guidance on how to contact Plains All American Pipeline efficiently.
Plains All American Pipeline headquarters at a glance
This section is useful if you need to verify the corporate office location, route a general inquiry, or confirm the best starting point for investor, media, or employment-related questions. If you are comparing Plains with other Houston-based energy companies, you may also find our pages on Enterprise Products Partners, Kinder Morgan, and Energy Transfer helpful.
| Headquarters detail | Information |
|---|---|
| Corporate headquarters | 333 Clay Street, Suite 1600, Houston, TX 77002, United States |
| Main corporate phone | 713-646-4100 |
| Official website | plains.com |
| Official contact page | plains.com/contact-us |
For investor matters, Plains also provides a dedicated investor relations channel through its corporate site. That is usually the best route for earnings questions, SEC filings, shareholder communications, and analyst follow-up. For general corporate correspondence, the Houston headquarters address and main office phone are the most direct public contact points.
Official contact map
For most corporate questions, the best starting point is Plains All American Pipeline’s main office in Houston. Use the corporate headquarters address for formal mail and verification, and the main corporate phone number for general routing. For specialized requests, Plains also provides separate investor relations and careers channels, which are usually faster than calling the main line.
| Inquiry type | Best official route | Notes |
|---|---|---|
| General corporate inquiries | Phone: 713-646-4100 Mail: 333 Clay Street, Suite 1600, Houston, TX 77002, United States |
Use this for headquarters verification, switchboard routing, and formal business correspondence. |
| Investor relations | Email: [email protected] Phone: 866-809-1291 Website: Investor relations |
Best for earnings questions, SEC filings, shareholder communications, and analyst follow-up. |
| Media and press | Website: Newsroom Contact page: Contact page |
Use the newsroom for official releases and the contact page for press routing when a direct media email is not listed. |
| Careers | Website: Careers | Use the careers page for open roles, recruiting information, and employment-related questions. |
| Business partners and vendors | Website: Contact page Main phone: 713-646-4100 |
For procurement, supplier, and vendor matters, the contact page is the safest official entry point unless you already have a direct business contact. |
If you are unsure which department should handle your request, start with the official contact page or the main corporate phone line. That route is usually the quickest way to get transferred to the right team without relying on outdated third-party listings.
For investor-specific matters, Plains maintains a dedicated investor relations site at ir.plains.com. That is the preferred channel for earnings materials, presentations, filings, and shareholder support. If you need direct follow-up, use the investor relations contact page rather than the general headquarters line.
For company updates and public announcements, the newsroom is the most reliable source. For job openings and recruiting information, use the careers page instead of sending employment questions to the corporate office.
When you need a broader industry comparison, it can also help to review similar energy infrastructure headquarters profiles such as Enterprise Products Partners, Kinder Morgan, and Energy Transfer.
Public contact details to keep handy: headquarters at 333 Clay Street, Suite 1600, Houston, TX 77002; main corporate phone 713-646-4100; investor relations email [email protected]; and investor relations phone 866-809-1291.
Public business emails and phone numbers
Confirmed public contact details for Plains All American Pipeline are limited to a few official channels. The main corporate phone number listed on the company’s official site is 713-646-4100, and investor relations can be reached at [email protected] or 866-809-1291. For general corporate correspondence, the headquarters mailing address is the most reliable route: 333 Clay Street, Suite 1600, Houston, TX 77002, United States.
When you need a department-specific contact, start with the official contact page or the investor relations contact page rather than relying on third-party directories. Plains also maintains an official newsroom and careers page for media and employment-related inquiries.
| Contact | Details | Best use |
|---|---|---|
| Main corporate phone | 713-646-4100 | General corporate routing and headquarters verification |
| Investor relations email | [email protected] | Investor questions, earnings, filings, and shareholder communications |
| Investor relations phone | 866-809-1291 | Investor follow-up and analyst inquiries |
| Headquarters mailing address | 333 Clay Street, Suite 1600, Houston, TX 77002, United States | Formal business mail and corporate correspondence |
No separate public email is confirmed here for general customer service, media, or careers. If you need one of those departments, use the official website routes above and ask to be transferred or directed to the correct team. That is usually more reliable than using an unverified email address from an older directory listing.
Warning on older contact data: a publicly reported headquarters phone number of (713) 654-4100 has appeared in older sources, but the current official Plains contact information shows 713-646-4100. Treat the older number as unverified unless it is confirmed directly by Plains.
For broader company context and related headquarters pages, you may also find these useful: Enterprise Products Partners Address, , Phone Number & Company, Kinder Morgan Address, , Phone Number & Company, and Energy Transfer Address, , Phone Number & Contact.
Executive leadership
Plains All American Pipeline’s executive leadership is centered on the company’s Houston headquarters and its investor-facing corporate functions. The leaders most readers typically look for on a headquarters profile are Willie Chiang, Harry N. Pefanis, and Al Swanson.
- Willie Chiang — Chairman, President, and Chief Executive Officer. He is the top executive responsible for overall strategy, operations, and corporate direction.
- Harry N. Pefanis — Executive Chairman. He provides board-level leadership and senior oversight, with a long history at the company and deep industry experience.
- Al Swanson — Executive Vice President and Chief Financial Officer. He oversees financial management, capital planning, and the company’s finance organization.
For corporate inquiries that need to reach the right internal team, the main headquarters line is 713-646-4100. Investor-related questions are usually better directed to [email protected] or the investor relations phone line at 866-809-1291. If your issue involves a formal business matter, the corporate office mailing address is the best escalation path: 333 Clay Street, Suite 1600, Houston, TX 77002, United States.
When you need official company updates, leadership context, or public announcements, the most useful sources are the official website, the contact page, and the investor relations site. Those channels are the most reliable starting points for verifying executive information, routing a request, or finding the correct department for follow-up.
For readers comparing Plains with other major energy infrastructure companies, related headquarters profiles such as Enterprise Products Partners, Kinder Morgan, and Energy Transfer can be useful reference points.
How to contact Plains All American Pipeline corporate offices
The fastest way to reach Plains All American Pipeline corporate offices is to start with the official contact page or call the main corporate line at 713-646-4100. For investor-related matters, use the dedicated investor relations channel instead of the general switchboard so your request reaches the right team on the first pass.
Best first step: use the company’s official contact page and clearly identify whether your issue is corporate, investor, media, careers, or vendor-related. If you are mailing documents, send them to 333 Clay Street, Suite 1600, Houston, TX 77002, United States, which is the corporate headquarters address.
Best written step: send a concise email or form submission with your full name, company name if applicable, a direct callback number, and a short subject line that states the purpose of the request. For investor questions, the public contact is [email protected]; for general corporate routing, the main phone number is usually the quickest starting point.
Best second step if ignored: follow up by phone and reference your earlier message, including the date sent, the department you contacted, and any ticket or case number you received. If you still do not get a response, ask to be transferred to the appropriate department rather than repeating the same message through the general line.
Higher-level official route: if the matter involves shareholders, earnings, SEC filings, or analyst questions, escalate through Investor Relations and, when needed, use the dedicated contact investor relations page. For company announcements and public statements, the Newsroom is the best official source to check before escalating externally.
What evidence to gather before following up: keep copies of every email or form submission, note the date and time of each call, save screenshots of web forms if available, and record the name or department of anyone who responded. If your issue involves a transaction, contract, invoice, or investor matter, include account references, document numbers, and any prior correspondence so the corporate office can verify the request quickly.
If you are comparing Plains with other major midstream companies, it can also help to review similar headquarters pages for Enterprise Products Partners, Kinder Morgan, and Energy Transfer to see how their contact and escalation paths are structured.
Company background and what Plains does
Plains All American Pipeline is a midstream energy logistics company, which means it helps move, store, and handle energy products between production areas, processing facilities, and end markets. Its core business is centered on crude oil and natural gas liquids (NGL) transportation, supported by a network of pipelines, terminals, and related infrastructure.
In practical terms, Plains operates the systems that connect upstream producers with refiners, processors, and other customers that need reliable product movement and storage. The company also owns and operates storage and terminalling assets, which are important for balancing supply, managing inventory, and keeping product flowing through the broader energy supply chain.
Plains has a significant footprint across the United States and Canada. That North American reach is a key part of its business model, since midstream operations often depend on regional pipeline corridors, terminal locations, and access to major production basins and market hubs. For readers comparing Plains with other large energy infrastructure companies, its role is similar to other pipeline and terminal operators that focus on transportation and logistics rather than direct oil and gas production.
If you are looking for the company’s official business channels, the most useful starting points are the official website, the contact page, and the investor relations site. Those pages are the best places to confirm corporate updates, leadership information, filings, and department-specific contact paths.
For context on how Plains fits into the broader energy sector, it is helpful to think of the company as an infrastructure and logistics operator. Its value comes from the assets and systems that move product efficiently, not from retail sales or consumer-facing services. That distinction matters when you are trying to route a question to the right team, whether it is a general corporate inquiry, an investor request, or a business development matter.
Readers who are comparing headquarters and corporate office details for other energy companies may also find these related profiles useful: Enterprise Products Partners Address, , Phone Number & Company, Kinder Morgan Address, , Phone Number & Company, and Energy Transfer Address, , Phone Number & Contact.
Operations, infrastructure, and market role
Plains All American Pipeline operates a large North American energy logistics network built around crude oil and natural gas liquids transportation, storage, and terminal services. Its assets include pipelines, storage facilities, and related infrastructure that help move product from production areas to refineries, fractionators, export points, and other downstream markets.
The company’s footprint is concentrated in major U.S. and Canadian energy corridors, with significant operations in Texas, the Gulf Coast, the Mid-Continent, the Rockies, and Western Canada. That regional mix matters because Plains is positioned where production, gathering, and market access intersect, allowing it to serve both upstream producers and downstream customers across multiple supply routes.
Plains generally operates on a fee-based business model, meaning a substantial portion of its revenue comes from transporting, storing, and handling commodities rather than directly taking price exposure on the underlying product. In practical terms, that model ties the company’s role to throughput and logistics demand, which can make its business more closely linked to infrastructure utilization than to short-term commodity price swings.
In the broader supply chain, Plains functions as a critical midstream connector. It helps bridge the gap between production fields and end markets by providing the infrastructure needed to aggregate volumes, maintain storage capacity, and move product efficiently. For customers, that can mean more reliable access to transportation and market outlets; for the energy system overall, it means a more coordinated path from wellhead to refinery or export terminal.
For official company information, investor updates, and operating news, the best starting points are the official website, the investor relations site, and the newsroom. If you need a direct corporate route, use the contact page or the investor relations contact form for finance-related questions.
- Pipeline and storage network: Crude oil and NGL pipelines, storage terminals, and related logistics assets.
- Major operating regions: Texas, the Gulf Coast, the Mid-Continent, the Rockies, and Western Canada.
- Fee-based model: Revenue is largely tied to transportation, storage, and handling services.
- Supply chain role: Connects production areas to refineries, fractionators, export markets, and other end users.
If you are comparing Plains with other midstream companies, it may also help to review similar headquarters profiles such as Enterprise Products Partners Address, , Phone Number & Company, Kinder Morgan Address, , Phone Number & Company, and Energy Transfer Address, , Phone Number & Contact.
Careers, investor relations, and newsroom
For careers, investor relations, and company news, the most reliable starting points are Plains All American Pipeline’s official website and its dedicated investor relations portal. If you are looking for jobs, use the Careers page. For earnings releases, SEC filings, and shareholder updates, go to Investor relations or the Contact investor relations page for the official IR contact form and email.
Plains also maintains a Newsroom for press releases and corporate announcements. That is usually the best place to verify recent operational updates, leadership changes, and public statements before escalating a question by phone or email.
For social updates and public-facing company activity, Plains’ official LinkedIn page is the most useful channel: LinkedIn. Social channels are generally better for following announcements than for handling account-specific or investor-sensitive issues, but they can help you confirm whether a message or news item is current.
If you need to route a general corporate inquiry, the main office number is 713-646-4100. For investor-specific questions, use the investor relations email [email protected] or the investor relations phone 866-809-1291. For formal correspondence, the headquarters mailing address remains the best option.
- Careers: job openings, employment information, and recruiting updates
- Investor relations: earnings, filings, shareholder communications, and analyst inquiries
- Newsroom: press releases, company announcements, and public statements
- Social channels: company updates and public engagement, especially LinkedIn
If you are comparing Plains with other major energy infrastructure companies, you may also find these headquarters pages useful: Enterprise Products Partners Address, , Phone Number & Company, Kinder Morgan Address, , Phone Number & Company, and Energy Transfer Address, , Phone Number & Contact.
FAQs
Where is Plains All American Pipeline headquartered? Plains All American Pipeline is headquartered at 333 Clay Street, Suite 1600, Houston, TX 77002, United States. This is the company’s primary corporate office for formal correspondence, headquarters verification, and executive-level business matters.
What is the main corporate phone number? The main corporate phone number listed for Plains All American Pipeline is 713-646-4100. If you are calling about a general corporate matter, this is the best starting point for routing your inquiry to the appropriate department.
What is the investor relations email? The public investor relations email is [email protected]. It is the most relevant contact for shareholder questions, earnings materials, SEC filings, and analyst or investor follow-up. For additional investor resources, use the official Investor relations page or the Contact investor relations page.
Can the public visit the headquarters? Plains All American Pipeline’s Houston office is a corporate headquarters, not a public visitor center. In most cases, walk-in access is limited and meetings should be arranged in advance through the company’s official contact channels. For general inquiries, the safest route is the Contact page on the company website.
Useful contact and escalation paths
- General corporate questions: Call 713-646-4100 or use the official Contact page.
- Investor questions: Email [email protected] or call 866-809-1291.
- Press and company updates: Check the Newsroom for official announcements.
- Jobs and employment: Visit the Careers page for current openings and hiring information.
Related company information
- Official website: plains.com
- LinkedIn: Plains All American Pipeline
If you are comparing headquarters details across similar energy companies, you may also find these pages useful: Enterprise Products Partners Address, , Phone Number & Company, Kinder Morgan Address, , Phone Number & Company, and Energy Transfer Address, , Phone Number & Contact.
Frequently Asked Questions
Where is Plains All American Pipeline headquarters located?
Plains All American Pipeline is headquartered at 333 Clay Street, Suite 1600, Houston, TX 77002, United States.
What is Plains All American Pipeline’s corporate phone number?
The official corporate headquarters phone number listed on Plains’ current contact pages is 713-646-4100.
Does Plains All American Pipeline have a public investor relations email?
Yes. The public investor relations email is [email protected].
Is Plains All American Pipeline’s headquarters open to the public?
No public tours or walk-in visits are implied by the company’s contact pages. Business visits should be arranged through official corporate channels.
How do I contact Plains All American Pipeline about a business issue?
Start with the official contact page or the main headquarters phone number. For investor matters, use the investor relations email and phone number listed on the IR contact page.