Langan Treadwell Rollo is a certified Bay Area Green Business, providing environmental, geotechnical, site/civil and earthquake engineering services from our Northern California offices in San Francisco, Oakland, Sacramento, and San Jose. As a member of Langan Engineering & Environmental Services, a privately held consulting firm headquartered in Elmwood Park, New Jersey, Langan has access nearly 800 employees in additional offices located located throughout the world. Langan Treadwell Rollo provides practical and cost-effective solutions for the problems and challenges faced by our clients. We are proud of our past and confident about our future and we look forward to continuing to help our clients achieve the best results for their projects. Our guiding principles are: high-quality technical work practical, cost-effective solutions responsive and timely service
View Top Employees from Langan Treadwell Rollo| Website | http://www.langan.com |
| Revenue | $228 million |
| Employees | 19 (16 on RocketReach) |
| Founded | 1988 |
| Phone | (973) 560-4900 |
| Fax | (212) 479-5400 |
| Industry | Civil Engineering, Architecture, Engineering & Design, Geotechnical Engineering, Construction, Environmental Engineering, Site/Civil Engineering, Seismic Engineering |
| Web Rank | 1 Million |
| Keywords | Langan, Langan Engineering, Kings County Hospital, Qatar Fog, Denver Colorado |
| Competitors | Barr Engineering Co., Bowman Consulting, Century Engineering, A Kleinfelder Company, Haley & Aldrich, Terracon |
| SIC | SIC Code 87 Companies, SIC Code 871 Companies |
| NAICS | NAICS Code 54133 Companies, NAICS Code 54 Companies, NAICS Code 5413 Companies, NAICS Code 541 Companies |
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Langan Treadwell Rollo Questions
The Langan Treadwell Rollo annual revenue was $228 million in 2024.
16 people are employed at Langan Treadwell Rollo.
Langan Treadwell Rollo is based in San Francisco, California.
The NAICS codes for Langan Treadwell Rollo are [54133, 54, 5413, 541].
The SIC codes for Langan Treadwell Rollo are [87, 871].
Top Langan Treadwell Rollo Employees
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Ron Reindl
Geotechnical Field Operations Manager at Langan Treadwell Rollo
San Francisco, CA, US21 -
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21
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ViewJohn Gouchon
Senior Associate and Vice President at Langan Treadwell Rollo
San Francisco, California, United States22 -
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ViewVeronica Tiglao
Senior Project Engineer at Langan Treadwell Rollo
San Francisco, California, United States21 -
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