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Products & Services
About Hamm & Co
Mr. David B. Hamm is an Ohio-licensed CPA with over 40 years of accounting and tax expertise. He has previously worked with a national CPA firm and a national computerized tax service and with...
Its primary NAICS classification is 541211 (Offices of Certified Public Accountants). Hamm & Co is one of 403,432 Industrial & mechanical companies listed in Ohio.
Business Contact Information
- Phone
- +1 (304) 6151114
- Website
- hammweb.net
- Address
- 140 Gross St, Marietta, Ohio, 45750, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 54Professional, Scientific, and Technical Services
- 5412Accounting, Tax Preparation, Bookkeeping, and Payroll Services
- 541211Offices of Certified Public Accountants
SIC Codes
- 87Engineering, Accounting, Research, Management, And Related Services
- 872Accounting, Auditing, And Bookkeeping Services
- 8721Offices of Certified Public Accountants
Company Details
- Employees
- 9 (6-10)
- Annual Revenue
- $849,000 ($0M-$1M)
Hamm & Co: frequently asked questions
What does Hamm & Co do?
Mr. David B. Hamm is an Ohio-licensed CPA with over 40 years of accounting and tax expertise. He has previously worked with a national CPA firm and a national computerized tax service and with...
Where is Hamm & Co located?
Hamm & Co is headquartered at 140 Gross St, Marietta, Ohio, 45750, United States.
How many employees does Hamm & Co have?
Hamm & Co has about 9 employees (the 6-10 range).
What is Hamm & Co's annual revenue?
Hamm & Co's annual revenue is estimated at $849,000 (the $0M-$1M range).
What industry is Hamm & Co in?
Hamm & Co is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 541211 (Offices of Certified Public Accountants).
How can I contact Hamm & Co?
Its website is hammweb.net and its phone number is +1 (304) 6151114.
Largest companies in Ohio
Largest industrial & mechanical companies
Manufacturing sales in Ohio, 2026
In Ohio, Factur's 2026 study counted 89 manufacturing quotes worth $1.2M and 31 purchase orders over 12 months: 35% of quotes became orders, against 21% nationally. See the Ohio data.
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