Keystone Engineering
Rockport, Massachusetts
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About Keystone Engineering
Keystone Engineering is a company employing 1-5 people, reporting $0M-$1M in annual revenue, classified under Engineering Services and based in Rockport, Massachusetts, United States.
Its primary NAICS classification is 541330 (Engineering Services). Keystone Engineering is one of 1,441,867 companies listed in Massachusetts.
Business Contact Information
- Phone
- +1 (978) 5468430
- Address
- 133 Granite St, Rockport, Massachusetts, 1966, United States
Industry & Classification
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
- 5 (1-5)
- Annual Revenue
- $383,000 ($0M-$1M)
Keystone Engineering: frequently asked questions
What does Keystone Engineering do?
Keystone Engineering is a company employing 1-5 people, reporting $0M-$1M in annual revenue, classified under Engineering Services and based in Rockport, Massachusetts, United States.
Where is Keystone Engineering located?
Keystone Engineering is headquartered at 133 Granite St, Rockport, Massachusetts, 1966, United States.
How many employees does Keystone Engineering have?
Keystone Engineering has about 5 employees (the 1-5 range).
What is Keystone Engineering's annual revenue?
Keystone Engineering's annual revenue is estimated at $383,000 (the $0M-$1M range).
What industry is Keystone Engineering in?
Keystone Engineering's primary NAICS code is 541330 (Engineering Services).
How can I contact Keystone Engineering?
Its phone number is +1 (978) 5468430.
Largest companies in Massachusetts
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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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