How many employees work at Underground Construction?
Underground Construction Co. LLC has approximately 889 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Underground Construction’s total headcount has declined 10.2% from 990 employees in 2023 to 889 in 2026.
Is Underground Construction hiring right now?
Yes, Underground Construction is actively hiring. Underground Construction had 9 active job postings in 2026, a 25.0% increase from 2025 — see job openings & hiring trends.
About Underground Construction’s Workforce
Underground Construction Co. LLC is an Engineering and Construction Services company that employs 889 people worldwide as of March 2026. It is the 11th-largest by headcount among its peers. Founded in 1936, the company is headquartered in Benicia, California.
Underground Construction's workforce has declined 10.2% from 2023 to 2026, though it is up 1.8% year over year in 2026. It fell to a low of 881 in 2025 Q4 before recovering. Its workforce is concentrated most in the United States (95.6%), followed by Ghana (2.0%) and the Philippines (1.0%), with the United States, its fastest-growing location.
Underground Construction's largest functional groups are Sales and Marketing (37.7%), Engineering (32.9%), and Finance and Operations (29.4%), with Finance and Operations growing fastest (up 3.5%). Median employee tenure is 3.0 years. The average salary is $80,163, highest in Northern America at a median of $70,000.
Underground Construction's active job postings rose 25.0% in 2026 to 9, with new postings per month cooling from 9 in 2023 to 6 in 2026. Overall employee sentiment is neutral but declining.
Sourced from Revelio Labs workforce data.
- Headquarters
- Benicia, California
- Founded
- 1936
- Industry
- Engineering and Construction Services
- Employees
- 889
- YoY
- +1.8% (+7)
As of March 2026
Underground Construction workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Underground Construction. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsUnderground Construction Annual Employee Count (2023-2026)
- Underground Construction had 889 employees in 2026, a 1.8% increase (+7) from 2025.
- Underground Construction had 881 employees in 2025, a 1.3% increase (-10) from 2024.
- Underground Construction had 891 employees in 2024, a 0.9% decline (-30) from 2023.
- Underground Construction had 921 employees in 2023, a 1.0% decline (-25) from 2022.
Underground Construction's total workforce has grown from 881 employees in 2025 to 889 in 2026. Underground Construction's headcount peaked at 990 in 2023 before declining in 2025 and recovering through 2026.
Underground Construction Co. LLC quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 889 | +7 | +1.8% |
| 2025 | Q4 | 881 | -10 | +1.3% |
| 2025 | Q3 | 883 | +2 | +2.0% |
| 2025 | Q2 | 885 | -28 | -0.2% |
| 2025 | Q1 | 882 | -19 | +0.9% |
| 2024 | Q4 | 891 | -30 | -0.9% |
| 2024 | Q3 | 881 | -103 | -4.2% |
| 2024 | Q2 | 913 | -77 | -3.2% |
| 2024 | Q1 | 901 | -38 | -2.6% |
| 2023 | Q4 | 921 | -25 | -1.0% |
| 2023 | Q3 | 984 | +14 | +0.3% |
| 2023 | Q2 | 990 | -15 | -0.7% |
See Underground Construction's complete headcount history, including quarterly breakdowns.
Get the DataUnderground Construction Employee Count by Country and Region (2026)
The United States accounts for the largest share of Underground Construction's global workforce with approximately 96% of total employees, followed by Ghana and the Philippines.
Underground Construction employees by country
| Country | Employees | % of Total | YoY % |
|---|---|---|---|
| United States | 846 | 95.6% | +0.1% |
| Ghana | 18 | 2.0% | +0.0% |
| Philippines | 9 | 1.0% | +0.0% |
| India | 4 | 0.4% | +0.0% |
| Indonesia | 3 | 0.3% | +0.0% |
| Saudi Arabia | 2 | 0.2% | +0.0% |
| Canada | 2 | 0.2% | +0.0% |
| South Africa | 2 | 0.2% | +0.0% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataUnderground Construction Employee Count by Department (2026)
Underground Construction's largest employee groups are Sales and Marketing (37.7%), Engineering (32.9%), and Finance and Operations (29.4%).
Underground Construction employees by department
| Department | Employees | % of Total | YoY % |
|---|---|---|---|
| Sales and Marketing | 326 | 37.7% | -1.4% |
| Engineering | 285 | 32.9% | -1.5% |
| Finance and Operations | 254 | 29.4% | +3.5% |
Compare Underground Construction's department mix to industry peers.
See Full DataUnderground Construction Employee Salary by Region (2026)
Underground Construction's average employee salary is $80,163 globally. Employees in Northern America receive the highest compensation.
Underground Construction median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| Northern America | $70,000 |
Unlock salary by role, level, and city — and compare to Underground Construction's industry peers.
Unlock Salary DataUnderground Construction Job Openings and Hiring Trends (2023-2026)
- Underground Construction had 9 active job postings in 2026, a 25.0% increase (+4) from 2025.
- Underground Construction had 5 active job postings in 2025, a 18.2% decline (-1) from 2024.
- Underground Construction had 6 active job postings in 2024, a 0% no change from 2023.
- Underground Construction had 6 active job postings in 2023, a 122.6% decline from 2022.
- Hiring velocity in 2026: 6 new roles/month, up from 5 in 2025 and 6 in 2024.
Underground Construction's active job postings rose 25.0% in 2026 to 9, with new postings per month cooling from 9 in 2023 to 6 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataUnderground Construction Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across Underground Construction's workforce based on public professional data. Overall sentiment is neutral and has declined 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 Underground Construction
- How fast is Underground Construction growing?
- In 2026, Underground Construction's headcount grew 1.8% to 889 employees, up from 882 in 2025.
- Where are Underground Construction employees located?
- Most Underground Construction employees are based in the United States (95.6% of headcount), followed by Ghana and the Philippines.
- What is the average salary at Underground Construction?
- The average employee salary at Underground Construction is approximately $80.2k per year.
- How many people does Underground Construction hire per year?
- In 2026, Underground Construction opened roughly 72 new roles — about 6 per month.
- When was Underground Construction founded and where is it headquartered?
- Underground Construction was founded in 1936 and is headquartered in Benicia, California.
Speak with a workforce expert about Underground Construction.
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