Products & Services
About Boldt
Boldt is a national construction leader providing construction management and general contracting services in a range of industries. This profile covers Boldt, a company based in Appleton, Wisconsin, United States, operating in Industrial construction, employing 2,120 people and classified under All Other Specialty Trade Contractors.
Its primary NAICS classification is 238990 (All Other Specialty Trade Contractors). Boldt is one of 3,216 Construction companies listed in Wisconsin.
Business Contact Information
- Phone
- (920) 225-6225
- Fax
- (920) 739-0110
- Website
- www.boldt.com
- Address
- 2121 E Capitol Dr, Appleton, Wisconsin, 54911, United States
Industry & Classification
- Industry
- Construction
- Sector
- Construction
- Segment
- Industrial construction
NAICS Codes
- 238990All Other Specialty Trade Contractors
- 238390Other Building Finishing Contractors
SIC Codes
- 8741Office Administrative Services
- 1799Remediation Services
Company Details
- Employees
- 2,120
Boldt: frequently asked questions
What does Boldt do?
Boldt is a national construction leader providing construction management and general contracting services in a range of industries.
Where is Boldt located?
Boldt is located at 2121 E Capitol Dr, Appleton, Wisconsin, 54911, United States.
How many employees does Boldt have?
Boldt has about 2,120 employees.
What industry is Boldt in?
Boldt is in the Construction / Construction industry, and its primary NAICS code is 238990 (All Other Specialty Trade Contractors).
How can I contact Boldt?
Its website is www.boldt.com and its phone number is (920) 225-6225.
What companies are similar to Boldt?
Other large construction companies in Wisconsin include Swfcontract, D?rr Group, Michels Corp and Miron Construction Co. Inc.
Largest construction companies in Wisconsin
Largest construction companies
Manufacturing sales in Wisconsin, 2026
In Wisconsin, Factur's 2026 study counted 30 manufacturing quotes worth $957K and 6 purchase orders over 12 months: 20% of quotes became orders, against 21% nationally. See the Wisconsin data.
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