Company Insights
Published on
April 22, 2026

How Many People Work at Phillips 66? Headcount and Employee Trends

Total Employees
13200
7.2% from last year
0
New Hires (YTD)
129
5% of total workforce
Departments
19
650 in Engineering
Locations
634
5,012 in New York, NY
  • Phillips 66 is a leading petroleum refining company headquartered in Houston, Texas, focusing on delivering reliable energy through its integrated operations in refining, midstream, and chemicals.
  • In April 2026, Phillips 66 and Kinder Morgan announced the advancement of the Western Gateway Pipeline Project, a 1,300-mile refined products pipeline aimed at enhancing energy reliability across the Western United States.
  • The company has secured strong long-term shipper commitments for the Western Gateway Project, indicating significant partnerships that will bolster its supply capabilities in Arizona, California, and Nevada.
  • Phillips 66's ideal buyers include energy distributors and retailers looking to stabilize supply chains and reduce reliance on imports, particularly as California's refining capacity shrinks, making their pipeline project a timely solution for market volatility.

Phillips 66 Headcount Breakdown by Department

Phillips 66's workforce is structured across 19 departments, with Operations being the largest at 2,395 employees. Information Technology follows with 922 employees, reflecting a significant investment in tech infrastructure. The Executive department, comprising 594 individuals, underscores the company's leadership strength. This distribution indicates a balanced approach to operational efficiency and technological advancement.

Operations
2395
Information Technology
922
Executive
594
Finance
424
Engineering
267
Sales
215
Marketing
170
Human Resources
155
Community And Social Services
147
Other
3264

Phillips 66 Employees by Location

The company's workforce is geographically diverse, with a notable concentration in Houston, TX, which employs 1,260 individuals. Other key locations include Bartlesville, OK, with 411 employees, and Denver, CO, housing 406 staff members. The 'Other' category accounts for a substantial 3,967 employees, indicating a distributed workforce across various sites, enhancing operational flexibility and regional presence.

Houston, TX
1260
Bartlesville, OK
411
Denver, CO
406
Tulsa, OK
218
Houston
214
Linden, NJ
158
New York, NY
128
Los Angeles, CA
92
Roxana, IL
76
Other
3967
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