Duffner Engineering
Construction · Santa Clara, California
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Products & Services
About Duffner Engineering
Failure analysis, accident reconstruction and expert witness services from Dirk Duffner, P.E. Mechanical engineering and metallurgy in Santa Clara, CA.
Its primary NAICS classification is 541330 (Engineering Services). Duffner Engineering is one of 26,724 Construction companies listed in California.
Business Contact Information
- Phone
- +1 (650) 7011056
- facebook.com/duffnerengineering
- Address
- 807 Aldo Ave, Santa Clara, California, 95054, United States
Industry & Classification
- Industry
- Construction
- Sector
- Construction
- Segment
- Industrial construction
NAICS Codes
- 54Professional, Scientific, and Technical Services
- 5413Architectural, Engineering, and Related Services
- 541330Engineering Services
SIC Codes
- 87Engineering, Accounting, Research, Management, And Related Services
- 871Engineering, Architectural, And Surveying
- 8711Engineering Services
Company Details
- Employees
- 6 (6-10)
- Annual Revenue
- $1.1M ($1M-$5M)
Duffner Engineering: frequently asked questions
What does Duffner Engineering do?
Failure analysis, accident reconstruction and expert witness services from Dirk Duffner, P.E. Mechanical engineering and metallurgy in Santa Clara, CA.
Where is Duffner Engineering located?
Duffner Engineering is headquartered at 807 Aldo Ave, Santa Clara, California, 95054, United States.
How many employees does Duffner Engineering have?
Duffner Engineering has about 6 employees (the 6-10 range).
What is Duffner Engineering's annual revenue?
Duffner Engineering's annual revenue is estimated at $1.1M (the $1M-$5M range).
What industry is Duffner Engineering in?
Duffner Engineering is in the Construction / Construction industry, and its primary NAICS code is 541330 (Engineering Services).
How can I contact Duffner Engineering?
Its website is www.duffnerengineering.com and its phone number is +1 (650) 7011056.
What companies are similar to Duffner Engineering?
Other large construction companies in California include Hyundai Engineering & Construction Co. Ltd, RSK Group, Takenaka Corp and Daewoo Construction.
Largest construction companies in California
Largest companies in California
Largest construction companies
Manufacturing sales in California, 2026
In California, Factur's 2026 study counted 98 manufacturing quotes worth $14.7M and 18 purchase orders over 12 months: 18% of quotes became orders, against 21% nationally. See the California data.
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