Every fact below carries a source link and an as-of date. Informational only. Ownership statements are limited to primary announcements and filings.
- Headquarters
- Parsippany, New JerseySource: langan.com/members · As of 2026-10-11
- Employees
- 2,300 employees, per the firm's siteSource: langan.com/about/who-we-are · As of 2026-10-11
- Website
- langan.comSource: langan.com · As of 2026-10-11
- Ownership type
- Ownership not published
Legal name, DBA and former names
- Langan encompasses multiple legal entities.Source: langan.com · As of 2026-10-11
Offices
- Langan lists offices across the United States and internationally.Source: langan.com/locations-map · As of 2026-10-11
Employee count or band
- 2,300 employees, per the firm's site.Source: langan.com/about/who-we-are · As of 2026-10-11
Services and markets
- Langan provides engineering, environmental consulting, and digital services for land development, corporate real estate, and the energy industry.Source: langan.com/about/who-we-are · As of 2026-10-11
Leaders
- Shekhar Yadavalli, Chief Financial Officer.Source: langan.com/members · As of 2026-10-11
Public filings
- DOL Form 5500 filings, plan year beginning 2024-01-01, NAICS 541330: LANGAN ENGINEERING & ENVIRONMENTAL SERVICES SALARY SAVINGS PLAN & TRUST (ACK_ID 20251015164409NAL0010373394001, 1,760 active participants)Source: dol.gov/agencies/ebsa/about-ebsa/our-ac… · As of 2025-10-15
Rankings and awards
- Listed in the ENR 2026 Top 500 Design Firms.Source: enr.com/toplists/2026-top-500-design-fi… · As of 2026-10-05
Sources of record
Ownership tag: Ownership not published. Profiles are informational, compiled from public sources linked above. Firms may request corrections. A listing is not an endorsement.
