How many employees work at API Heat Transfer, Inc.?

API Heat Transfer, Inc. has approximately 532 total employees worldwide as of December 2025, according to Revelio Labs workforce intelligence data. API Heat Transfer, Inc.'s total headcount has declined 4.1% from 555 employees in 2023 to 532 in 2025.

Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published June 2026

API Heat Transfer, Inc. is hiring

Is API Heat Transfer, Inc. hiring right now?

Yes, API Heat Transfer, Inc. is actively hiring. API Heat Transfer, Inc. had 28 active job postings in 2025, a 24.0% increase from 2024 see job openings & hiring trends.

About API Heat Transfer, Inc.'s Workforce

API Heat Transfer, Inc. is an Industrial Manufacturing company that employs 532 people worldwide as of December 2025. It is the 11th-largest by headcount among its peers. Founded in 1947, the company is headquartered in Buffalo, New York.

API Heat Transfer, Inc.'s workforce has declined 4.1% from 2023 to 2025, down 0.5% year over year in 2025. It grew to a low of 530 in 2025 Q3 before recovering. Its workforce is concentrated most in the United States (68.9%), followed by China (24.0%) and the United Kingdom (3.2%), with China identified as its fastest-growing location.

API Heat Transfer, Inc.'s largest groups are Finance and Operations (42.2%), Sales and Marketing (37.1%), and Engineering (20.7%). The average tenure is 6.6 years, and the average salary is $76,072, with regional medians of $93,000 in Western Europe and $43,000 in Eastern Asia.

API Heat Transfer, Inc.'s hiring activity shows 2025 Q4 postings up 24% year over year, rising to 28 postings, with postings per month trending from 37 in 2023 to 16 in 2025. Employee sentiment is negative but improving.

Sourced from Revelio Labs workforce data.

As of December 2025

API Heat Transfer, Inc.
workforce metrics

Headcount

532

0.5% YoY

Avg. Salary

$76.1k

0.2% YoY

Tenure

6.6yr

0.2yr YoY

Growth Rate

-0.5%

1.2pts YoY

Hiring Rate

Attrition Rate

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Interactive chart of API Heat Transfer, Inc. annual worldwide employee count from 2023 to 2025.
  • API Heat Transfer, Inc. had 532 employees in 2025, a 0.5% decline (-3) from 2024.
  • API Heat Transfer, Inc. had 535 employees in 2024, a 1.7% decline (-9) from 2023.
  • API Heat Transfer, Inc. had 544 employees in 2023, a 5.4% decline (-30) from 2022.

API Heat Transfer, Inc.'s total workforce has grown from 530 employees in 2025 to 532 in 2025. API Heat Transfer, Inc.'s headcount peaked at 555 in 2023 before declining in 2025 and recovering through 2025.

API Heat Transfer, Inc. — quarterly employee count (20232025)

YearQtrEmployeesYoY ChangeYoY %
2025Q4532-3-0.5%
2025Q3530-5-0.9%
2025Q2537-10-1.9%
2025Q1537-11-2.0%
2024Q4535-9-1.7%
2024Q3535-13-2.4%
2024Q2547-5-0.9%
2024Q1548-7-1.2%
2023Q4544-30-5.4%
2023Q3548-25-4.6%
2023Q2552-21-3.8%
2023Q1555-11-2.1%

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The United States accounts for the largest share of API Heat Transfer, Inc.'s global workforce with approximately 69% of total employees, followed by China and the United Kingdom.

API Heat Transfer, Inc. employees by country — 2025

CountryEmployees% of TotalYoY %
United States36668.9%-0.6%
China12724.0%+0.0%
United Kingdom173.2%+0.0%
Germany152.9%-15.2%
Iran20.3%+0.0%
Mexico20.3%+0.0%
France10.3%+0.0%
Netherlands10.2%+0.0%

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API Heat Transfer, Inc.'s largest employee groups are Finance and Operations (42.2%), Sales and Marketing (37.1%), and Engineering (20.7%).

API Heat Transfer, Inc. employees by department — 2025

DepartmentEmployees% of TotalYoY %
Finance and Operations22342.2%+0.0%
Sales and Marketing19637.1%-1.2%
Engineering10920.7%-2.2%

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API Heat Transfer, Inc.'s average employee salary is $76,072 globally. Employees in Western Europe receive the highest compensation, with median pay approximately 1.2x the global average. Pay is lowest in Eastern Asia, at a median of $43,000.

API Heat Transfer, Inc. median employee salary by region — 2025 (USD)

RegionMedian Salary
Western Europe$93,000
Northern America$76,000
Northern Europe$48,000
Eastern Asia$43,000

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Interactive chart of API Heat Transfer, Inc. annual active job postings from 2023 to 2025.
  • API Heat Transfer, Inc. had 28 active job postings in 2025, a 24.0% increase (+6) from 2024.
  • API Heat Transfer, Inc. had 22 active job postings in 2024, a 70.6% decline (-24) from 2023.
  • API Heat Transfer, Inc. had 46 active job postings in 2023, a 35.7% decline from 2022.
  • Hiring velocity in 2025: 16 new roles/month, down from 22 in 2024 and 37 in 2023. New metric

API Heat Transfer, Inc.'s active job postings rose 24.0% in 2025 to 28, with new postings per month cooling from 37 in 2023 to 16 in 2025.

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Revelio Labs tracks employee sentiment across API Heat Transfer, Inc.'s workforce based on public professional data. Overall sentiment is negative and has improved year over year in 2025.

Overall

NegativePositive

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How fast is API Heat Transfer, Inc. growing?
In 2025, API Heat Transfer, Inc.'s headcount shrank 0.5% to 532 employees, down from 535 in 2024.
Where are API Heat Transfer, Inc. employees located?
Most API Heat Transfer, Inc. employees are based in the United States (68.9% of headcount), followed by China and the United Kingdom.
What is the average salary at API Heat Transfer, Inc.?
The average employee salary at API Heat Transfer, Inc. is approximately $76.1k per year.
How many people does API Heat Transfer, Inc. hire per year?
In 2025, API Heat Transfer, Inc. opened roughly 192 new roles — about 16 per month.
When was API Heat Transfer, Inc. founded and where is it headquartered?
API Heat Transfer, Inc. was founded in 1947 and is headquartered in Buffalo, New York.

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