Granko Inc
Construction · Sonoma, California
Products & Services
About Granko Inc
GRANKO AV designs smart home technology that works effortlessly and blends seamlessly with your Bay Area home. We don?t just stop at home automation and theater installation; we also do, lighting, audio, climate control and other digital devices.
Its primary NAICS classification is 238210 (Electrical Contractors and Other Wiring Installation Contractors). Granko Inc is one of 26,724 Construction companies listed in California.
Business Contact Information
- Phone
- +1 (707) 2915516
- Website
- www.granko.com
- linkedin.com/company/granko-inc
- facebook.com/grankoconsulting
- Address
- 367 W Napa St, Sonoma, California, 95476, United States
Industry & Classification
- Industry
- Construction
- Sector
- Construction
- Segment
- Industrial construction
NAICS Codes
- 23Construction
- 2382Building Equipment Contractors
- 238210Electrical Contractors and Other Wiring Installation Contractors
SIC Codes
- 17Construction Special Trade Contractors
- 171Plumbing, Heating And Air-conditioning
- 1711Plumbing, Heating, and Air Conditioning Contractors
Company Details
- Employees
- 8 (6-10)
- Annual Revenue
- $1.2M ($1M-$5M)
Granko Inc: frequently asked questions
What does Granko Inc do?
GRANKO AV designs smart home technology that works effortlessly and blends seamlessly with your Bay Area home. We don?t just stop at home automation and theater installation; we also do, lighting, audio, climate control and other digital devices.
Where is Granko Inc located?
Granko Inc is headquartered at 367 W Napa St, Sonoma, California, 95476, United States.
How many employees does Granko Inc have?
Granko Inc has about 8 employees (the 6-10 range).
What is Granko Inc's annual revenue?
Granko Inc's annual revenue is estimated at $1.2M (the $1M-$5M range).
What industry is Granko Inc in?
Granko Inc is in the Construction / Construction industry, and its primary NAICS code is 238210 (Electrical Contractors and Other Wiring Installation Contractors).
How can I contact Granko Inc?
Its website is www.granko.com and its phone number is +1 (707) 2915516.
What companies are similar to Granko Inc?
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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