Langan
Contact Information
Phone: (415) 955-5200
Phone: (201) 794-6900
Phone: (415) 955-9040
Hours: Show
Web: www.langan.com
Email: info@langan.com
Fax: (415) 955-5201
Twitter Feed: Visit
Google Maps: Visit
LinkedIn Profile: Visit
Edit: Edit or Remove
Business Description
Langan, a subsidiary of Treadwell & Rollo Inc., is a leading environmental, geotechnical, and earthquake engineering consulting firm with over 30 years of experience. The company has a strong presence in the United States and Pacific Basin, offering a wide range of services including remediation, litigation support, and multi-disciplinary consulting. Langan has been consistently recognized as one of the largest environmental and engineering firms in the Bay Area by the San Francisco Business Times Book of Lists since 2001. The company's expertise is sought after during the planning, investigation, and construction stages of development projects.
Revenue: USD 100,000,000 - 250,000,000
Founded: 1988
Industry
Professional Services
Professional Services
Engaged in:
Engineering Consultant
Engineering Consultant
ISIC Codes
7110
NAICS Codes
5413
7110
NAICS Codes
5413
Questions & Answers
Q1
How long has Langan been in business?
Langan has been in business for around 38 years.Q2
What is the phone number for Langan?
The phone number for Langan is (415) 955-5200.Q3
Where is Langan located?
Langan is located at 135 Main St #1500, San Francisco, CA 94105, California.Q4
What days are Langan open?
Langan is open Mon–Fri 8 AM–5 PM; closed Sat–Sun.Q5
Is there a primary contact for Langan?
Daria Collins (R & D) at Langan. You can contact Daria Collins at email address dcollins@langan.com.Q6
Are there other contacts associated with Langan?
We have 7 additional contact(s) for Langan. They include: Janette Delacruz, Victoria Wardamasky, Ryan Manderbach, Riad Alhammoud, Kelly Loughran, Tim Forrest & Frank Rollo.Q7
What is the web address (URL) for Langan?
The website for Langan is www.langan.com.Q8
What are the annual sales for Langan?
Langan has annual sales of approximately USD 100,000,000 - 250,000,000.Similar Companies Nearby
Additional Businesses at this Address
135 Main St #1500, San Francisco, CA 94105
Businesses in Zip Code 94105
Businesses in 94105: 16,560
Population: 5,231
Categories
Professional Services: 39%
Shopping: 17%
Financial Services: 10%
Other: 34%
Price
Moderate: 49%
Inexpensive: 34%
Expensive: 11%
Very Expensive: 6%
Other: 0%
Area Codes
415: 91%
Other: 9%
Neighborhoods
South of Market: 77%
Other: 23%
Stats and Demographics for Zip Code 94105
Race
White: 68%
Asian: 16%
Black Or African American: 7%
Hispanic or Latino: 6%
Native Hawaiian & Other Pacific Islander: 0%
American Indian Or Alaskan Native: 0%
Other: 3%
Gender
Male: 63%
Female: 37%
Other: 0%