How many employees work at ISEC?
ISEC, Inc. has approximately 1,398 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. ISEC’s total headcount has declined 1.6% from 1,421 employees in 2023 to 1,398 in 2026.
Is ISEC hiring right now?
Yes, ISEC is actively hiring. ISEC had 74 active job postings in 2026, a 9.0% decline from 2025 — see job openings & hiring trends.
About ISEC’s Workforce
ISEC, Inc. is an Engineering and Construction Services company that employs 1,398 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 1.6% from 2023 to 2026, down 0.3% year over year in 2026. It fell to a low of 1,385 in 2025 Q3 before recovering. Its workforce is concentrated most in North America (93.4%), followed by South America (1.7%) and Southern Europe (1.6%).
ISEC's functional groups are Finance and Operations (39.4%), Sales and Marketing (31.9%), and Engineering (28.7%), with Engineering growing fastest (up 2.5%). The average salary is $98,023, ranging from a median of $89,000 in North America to $9,000 in North Africa.
ISEC's active job postings fell 9.0% in 2026 to 74. 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
- 1,398
- YoY
- -0.3% (-5)
As of March 2026
ISEC workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for ISEC. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsISEC Annual Employee Count (2023-2026)
- ISEC had 1,398 employees in 2026, a 0.3% decline (-5) from 2025.
- ISEC had 1,408 employees in 2025, a 0.3% increase (+17) from 2024.
- ISEC had 1,391 employees in 2024, a 0.9% decline (-42) from 2023.
- ISEC had 1,433 employees in 2023, a 2.1% increase (+41) from 2022.
ISEC's total workforce has grown from 1,385 employees in 2025 to 1,398 in 2026. ISEC's headcount peaked at 1,433 in 2023 before declining in 2025 and recovering through 2026.
ISEC, Inc. quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 1,398 | -5 | -0.3% |
| 2025 | Q4 | 1,408 | +17 | +0.3% |
| 2025 | Q3 | 1,385 | -16 | -0.1% |
| 2025 | Q2 | 1,408 | -12 | +0.3% |
| 2025 | Q1 | 1,403 | -27 | -0.7% |
| 2024 | Q4 | 1,391 | -42 | -0.9% |
| 2024 | Q3 | 1,401 | -13 | +0.1% |
| 2024 | Q2 | 1,420 | -1 | -0.0% |
| 2024 | Q1 | 1,430 | +44 | +2.3% |
| 2023 | Q4 | 1,433 | +41 | +2.1% |
| 2023 | Q3 | 1,414 | +2 | +1.0% |
| 2023 | Q2 | 1,421 | -3 | +0.7% |
See ISEC's complete headcount history, including quarterly breakdowns.
Get the DataISEC Employee Count by Region (2026)
North America accounts for the largest share of ISEC's global workforce with approximately 93% of total employees, followed by South America and Southern Europe.
ISEC employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 1,294 | 93.4% |
| South America | 23 | 1.7% |
| Southern Europe | 22 | 1.6% |
| South Asia | 17 | 1.2% |
| East Asia | 11 | 0.8% |
| North Africa | 9 | 0.7% |
| Western Europe | 5 | 0.4% |
| Sub-Saharan Africa | 5 | 0.4% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataISEC Employee Count by Department (2026)
ISEC's employee groups are Finance and Operations (39.4%), Sales and Marketing (31.9%), and Engineering (28.7%).
ISEC employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 550 | 39.4% |
| Sales and Marketing | 445 | 31.9% |
| Engineering | 400 | 28.7% |
Compare ISEC's department mix to industry peers.
See Full DataISEC Employee Salary by Region (2026)
ISEC's average employee salary is $98,023 globally. Employees in North America receive the highest compensation. Pay is lowest in North Africa, at a median of $9,000.
ISEC median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $89,000 |
| Southern Europe | $24,000 |
| South America | $20,000 |
| North Africa | $9,000 |
Unlock salary by role, level, and city — and compare to ISEC's industry peers.
Unlock Salary DataISEC Job Openings and Hiring Trends (2023-2026)
- ISEC had 74 active job postings in 2026, a 9.0% decline (+11) 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 9.0% in 2026 to 74.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataISEC 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
Unlock the full sentiment breakdown by department, tenure, and trend over time.
Unlock SentimentSimilar Companies
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Frequently Asked Questions About ISEC
- How fast is ISEC growing?
- In 2026, ISEC's headcount shrank 0.3% to 1,398 employees, down from 1,403 in 2025.
- See the full headcount history
- Where are ISEC employees located?
- Most ISEC employees are based in North America (93.4% of headcount), followed by South America and Southern Europe.
- Explore where the workforce is based
- What is the average salary at ISEC?
- The average employee salary at ISEC is approximately $98k per year.
- Analyze the salary distribution
- How many new job postings does ISEC open per year?
- In Q1 2026, ISEC opened 72 new job postings. In 2025, ISEC opened 550 new job postings — about 46 per month.
- Track hiring trends by role
- When was ISEC founded and where is it headquartered?
- ISEC was founded in 1967 and is headquartered in Coal Creek, Colorado.
- Compare ISEC to industry peers
Speak with a workforce expert about ISEC.
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