How many employees work at ISEC?

ISEC, Inc. has approximately 1,419 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. ISEC’s total headcount has declined 0.8% from 1,431 employees in 2023 to 1,419 in 2026.

Data source: Revelio LabsCoverage: Global workforce, 20232026Published July 2026

Is ISEC hiring right now?

Yes, ISEC is actively hiring. ISEC had 73 active job postings in 2026, a 10.4% decline from 2025 see job openings & hiring trends.

About ISEC’s Workforce

ISEC, Inc. is an Engineering and Construction Services company that employs 1,419 people worldwide as of March 2026. It is the 11th-largest by headcount among its peers. Founded in 1967, the company is headquartered in Coal Creek, Colorado.

ISEC's workforce has declined 0.8% from 2023 to 2026. Its workforce is concentrated most in the United States (91.8%), followed by Argentina (1.1%) and India (1.0%), with Argentina noted as its fastest-growing location.

ISEC's largest functional groups are Finance and Operations (44.6%), Sales and Marketing (29.7%), and Engineering (25.7%), with Engineering growing fastest (up 2.0%). The average tenure is 4.8 years, and the average salary is $91,873, with a regional spread showing a median of $84,000 in Northern America and $5,000 in Southern Asia.

ISEC's active job postings fell 10.4% in 2026 to 73. Overall employee sentiment is positive and improving.

Sourced from Revelio Labs workforce data.

Headquarters
Coal Creek, Colorado
Founded
1967
Industry
Engineering and Construction Services
Employees
1,419
YoY
-0.0% (-3)

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ISEC Annual Employee Count (2023-2026)

Interactive chart of ISEC annual worldwide employee count from 2023 to 2026.
  • ISEC had 1,419 employees in 2026, a 0% no change (-3) from 2025.
  • ISEC had 1,423 employees in 2025, a 0.3% increase (+4) from 2024.
  • ISEC had 1,419 employees in 2024, a 0.1% decline (-20) from 2023.
  • ISEC had 1,439 employees in 2023, a 1.6% increase (+31) from 2022.

ISEC's total workforce has grown from 1,411 employees in 2025 to 1,419 in 2026. ISEC's headcount peaked at 1,439 in 2024 before declining in 2025 and recovering through 2026.

ISEC, Inc. quarterly employee count

YearQtrEmployeesYoY ChangeYoY %
2026Q11,419-3-0.0%
2025Q41,423+4+0.3%
2025Q31,411-11+0.1%
2025Q21,427-4+0.6%
2025Q11,422-17-0.1%
2024Q41,419-20-0.1%
2024Q31,422-6+0.5%
2024Q21,431+0+0.3%
2024Q11,439+36+1.7%
2023Q41,439+31+1.6%
2023Q31,428+7+0.8%
2023Q21,431-4+0.4%

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ISEC Employee Count by Country and Region (2026)

The United States accounts for the largest share of ISEC's global workforce with approximately 92% of total employees, followed by Argentina and India.

ISEC employees by country

CountryEmployees% of TotalYoY %
United States1,29391.8%-0.1%
Argentina151.1%+0.0%
India151.0%+0.0%
Egypt130.9%+0.0%
Peru70.5%+0.0%
Albania60.5%+0.0%
Saudi Arabia50.4%+0.0%
United Kingdom50.4%+0.0%
Colombia40.3%+0.0%
Japan40.3%+0.0%

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ISEC Employee Count by Department (2026)

ISEC's largest employee groups are Finance and Operations (44.6%), Sales and Marketing (29.7%), and Engineering (25.7%).

ISEC employees by department

DepartmentEmployees% of TotalYoY %
Finance and Operations62844.6%-0.8%
Sales and Marketing41829.7%-1.8%
Engineering36225.7%+2.0%

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ISEC Employee Salary by Region (2026)

ISEC's average employee salary is $91,873 globally. Employees in Northern America receive the highest compensation. Pay is lowest in Southern Asia, at a median of $5,000.

ISEC median employee salary by region (USD)

RegionMedian Salary
Northern America$84,000
Western Europe$52,000
Northern Europe$41,000
Arab States$29,000
Eastern Asia$27,000
South-Eastern Asia$27,000
Southern Europe$24,000
Southern America$14,000
Northern Africa$8,000
Southern Asia$5,000

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ISEC Job Openings and Hiring Trends (2023-2026)

Interactive chart of ISEC annual active job postings from 2023 to 2026.
  • ISEC had 73 active job postings in 2026, a 10.4% decline (+10) from 2025.
  • ISEC had 63 active job postings in 2025, a 4.7% decline (-3) from 2024.
  • ISEC had 66 active job postings in 2024, a 103.4% increase (+45) from 2023.
  • ISEC had 21 active job postings in 2023, a 17.4% decline from 2022.
  • Hiring velocity in 2026: 24 new roles/month, down from 46 in 2025 and 51 in 2024.

ISEC's active job postings fell 10.4% in 2026 to 73.

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ISEC Employee Sentiment (2026)

Revelio Labs tracks employee sentiment across ISEC's workforce based on public professional data. Overall sentiment is positive and has improved year over year in 2026.

Overall

NegativePositive

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Frequently Asked Questions About ISEC

How fast is ISEC growing?
In 2026, ISEC's headcount shrank 0.0% to 1,419 employees, down from 1,422 in 2025.
Where are ISEC employees located?
Most ISEC employees are based in the United States (91.8% of headcount), followed by Argentina and India.
What is the average salary at ISEC?
The average employee salary at ISEC is approximately $91.9k per year.
How many people does ISEC hire per year?
In 2026, ISEC opened roughly 288 new roles — about 24 per month.
When was ISEC founded and where is it headquartered?
ISEC was founded in 1967 and is headquartered in Coal Creek, Colorado.

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