How many employees work at Langan Engineering?
Langan Engineering & Environmental Services, Inc. has 2,482 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 11.4%.
Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025
About Langan Engineering
Langan's client-focused, highly entrepreneurial culture cultivates an environment of opportunities in which career growth and teamwork flourish. Whether you are a seasoned professional or recent college graduate, Langan will provide you with unparalleled opportunities and a solid foundation for career growth. Our reputation for providing innovative solutions that yield measurable value for our clients continually forges new enduring relationships for the firm and distinguishes Langan from the competition. Langan provides an integrated mix of engineering and environmental consulting services in support of land development projects, corporate real estate portfolios, and the oil and gas industry. Our clients include developers, property owners, public agencies, corporations, institutions, and energy companies around the world. Founded in 1970, Langan employs over 1,600 professionals in its Parsippany, NJ headquarters and among regional offices in: New York City, NY • White Plains, NY • Princeton, NJ • Philadelphia, PA • Bethlehem, PA • Doylestown, PA • Pittsburgh, PA • Cleveland, OH • Chicago, IL • Houston, TX • Dallas, TX • Austin, TX • Tyler, TX • Oakland, CA • San Francisco, CA • Sacramento, CA • San Jose, CA • Inland Empire, CA • Irvine, CA • Los Angeles, CA • Santa Barbara, CA • Seattle, WA • Denver, CO • Salt Lake City, UT • Phoenix, AZ • New Haven, CT • Arlington, VA • Boston, MA • Charlotte, NC • Nashville, TN • Fort Lauderdale, FL • Miami, FL • Tampa, FL • Orlando, FL • West Palm Beach, FL Langan International, the firm’s wholly owned subsidiary headquartered in New York City, provides all firm services for projects in the Middle East, Eastern Europe, Latin America, and the Caribbean. Langan International regional locations are in: Athens • Dubai • Calgary • Panama • London
As of September 2025
Langan Engineering
workforce metrics
Headcount
2.5k
Avg. Salary
$106.6k
Tenure
4.8yr
Growth Rate
11.4%
Hiring Rate
Attrition Rate
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Employee Headcount
Interactive chart of Langan Engineering annual worldwide employee count from 2023 to 2025.
- Langan Engineering total number of employees in 2025 was 2,489.335, a 11.4% increase from 2024.
- Langan Engineering total number of employees in 2024 was 2,202.492, a 5.2% increase from 2023.
- Langan Engineering total number of employees in 2023 was 2,099.381, a 1.6% increase from 2022.
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Employee Geographic Breakdown
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Active Job Postings
Interactive chart of Langan Engineering annual active job postings from 2023 to 2025.
- Langan Engineering active job postings in 2025 was 2,806, a 38.3% increase from 2024.
- Langan Engineering active job postings in 2024 was 2,275, a 95.6% increase from 2023.
- Langan Engineering active job postings in 2023 was 803, a 57.1% decline from 2022.
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Employee Sentiment
Sentiment Topics
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