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About Sem-Tec
Sem-Tec is a company classified under Manufacturing, based in Worcester, Massachusetts, United States, employing 21-50 people and reporting $1M-$5M in annual revenue.
Its primary NAICS classification is 332911 (Industrial Valve Manufacturing). Sem-Tec is one of 1,441,867 companies listed in Massachusetts.
Business Contact Information
- Phone
- +1 (508) 7988551
- Website
- www.sem-tec.biz
- Address
- 47 Lagrange St, Worcester, Massachusetts, 1610, United States
Industry & Classification
NAICS Codes
- 33
- 3329Other Fabricated Metal Product Manufacturing
- 332911Industrial Valve Manufacturing
SIC Codes
- 34Fabricated Metal Products, Except Machinery And Transportation Equipment
- 349Miscellaneous Fabricated Metal Products
- 3491Industrial Valve Mfg.
Company Details
- Employees
- 23 (21-50)
- Annual Revenue
- $3.7M ($1M-$5M)
Sem-Tec: frequently asked questions
What does Sem-Tec do?
Sem-Tec is a company classified under Manufacturing, based in Worcester, Massachusetts, United States, employing 21-50 people and reporting $1M-$5M in annual revenue.
Where is Sem-Tec located?
Sem-Tec is headquartered at 47 Lagrange St, Worcester, Massachusetts, 1610, United States.
How many employees does Sem-Tec have?
Sem-Tec has about 23 employees (the 21-50 range).
What is Sem-Tec's annual revenue?
Sem-Tec's annual revenue is estimated at $3.7M (the $1M-$5M range).
What industry is Sem-Tec in?
Sem-Tec's primary NAICS code is 332911 (Industrial Valve Manufacturing).
How can I contact Sem-Tec?
Its website is www.sem-tec.biz and its phone number is +1 (508) 7988551.
Largest companies in Massachusetts
Largest companies on Factur
Manufacturing sales in Massachusetts, 2026
In Massachusetts, Factur's 2026 study counted 32 manufacturing quotes worth $961K and 7 purchase orders over 12 months: 22% of quotes became orders, against 21% nationally. See the Massachusetts data.
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