How many employees work at Underground Construction?
Underground Construction Co. LLC has approximately 691 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Underground Construction’s total headcount has declined 18.1% from 844 employees in 2023 to 691 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 691 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 18.1% from 2023 to 2026, though it is up 2.0% year over year in 2026. It fell to a low of 689 in 2025 Q4 before recovering. Its workforce is concentrated most in North America (92.6%), followed by Sub-Saharan Africa (5.6%) and South Asia (0.8%).
Underground Construction's functional groups are Finance and Operations (36.3%), Engineering (32.4%), and Sales and Marketing (31.3%), with Finance and Operations growing fastest (up 4.3%). The average salary is $87,718, highest in North America at a median of $86,000, up 0.6% year over year in 2026.
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
- 691
- YoY
- +2.0% (-3)
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 691 employees in 2026, a 2.0% increase (-3) from 2025.
- Underground Construction had 689 employees in 2025, a 2.0% increase (-13) from 2024.
- Underground Construction had 702 employees in 2024, a 1.4% decline (-43) from 2023.
- Underground Construction had 745 employees in 2023, a 2.3% decline (-33) from 2022.
Underground Construction's total workforce has grown from 689 employees in 2025 to 691 in 2026. Underground Construction's headcount peaked at 844 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 | 691 | -3 | +2.0% |
| 2025 | Q4 | 689 | -13 | +2.0% |
| 2025 | Q3 | 700 | +4 | +4.2% |
| 2025 | Q2 | 701 | -34 | +0.4% |
| 2025 | Q1 | 694 | -23 | +2.4% |
| 2024 | Q4 | 702 | -43 | -1.4% |
| 2024 | Q3 | 696 | -135 | -7.2% |
| 2024 | Q2 | 735 | -109 | -5.3% |
| 2024 | Q1 | 717 | -58 | -5.5% |
| 2023 | Q4 | 745 | -33 | -2.3% |
| 2023 | Q3 | 831 | +27 | -0.3% |
| 2023 | Q2 | 844 | -15 | -1.6% |
See Underground Construction's complete headcount history, including quarterly breakdowns.
Get the DataUnderground Construction Employee Count by Region (2026)
North America accounts for the largest share of Underground Construction's global workforce with approximately 93% of total employees, followed by Sub-Saharan Africa and South Asia.
Underground Construction employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 637 | 92.6% |
| Sub-Saharan Africa | 38 | 5.6% |
| South Asia | 6 | 0.8% |
| Southeast Asia | 5 | 0.7% |
| Arab States | 2 | 0.3% |
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 employee groups are Finance and Operations (36.3%), Engineering (32.4%), and Sales and Marketing (31.3%).
Underground Construction employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 251 | 36.3% |
| Engineering | 224 | 32.4% |
| Sales and Marketing | 216 | 31.3% |
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 $87,718 globally. Employees in North America receive the highest compensation.
Underground Construction median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $86,000 |
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 2.0% to 691 employees, down from 694 in 2025.
- See the full headcount history
- Where are Underground Construction employees located?
- Most Underground Construction employees are based in North America (92.6% of headcount), followed by Sub-Saharan Africa and South Asia.
- Explore where the workforce is based
- What is the average salary at Underground Construction?
- The average employee salary at Underground Construction is approximately $87.7k per year.
- Analyze the salary distribution
- How many new job postings does Underground Construction open per year?
- In Q1 2026, Underground Construction opened 17 new job postings. In 2025, Underground Construction opened 60 new job postings — about 5 per month.
- Track hiring trends by role
- When was Underground Construction founded and where is it headquartered?
- Underground Construction was founded in 1936 and is headquartered in Benicia, California.
- Compare Underground Construction to industry peers
Speak with a workforce expert about Underground Construction.
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