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50+ Years
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Trusted Mechanical and Civil Contractors in the Northeast
Since 1973, All State Construction has established itself as a leading specialty construction contractor in the Northeast, serving private, municipal, and government sectors. As a family-run business with three generations of experience, we prioritize quality workmanship, teamwork, and customer service, self-performing nearly 80% of all projects to ensure precision and accountability. Our ASME-certified team holds U, S, H, and R stamps, demonstrating expertise in boiler and pressure vessel work, while our 10,000-square-foot fabrication shop supports custom pipe and steel solutions.

Recognized by Engineering News Record as a top 500 specialty contractor, we combine open-shop flexibility with union and non-union subcontractor partnerships to deliver mechanical, civil, and general contracting services. Our commitment to innovation, safety, and long-term client relationships drives every project, from boiler installations to underground utilities, ensuring reliable, code-compliant results tailored to client needs.
Services
Boiler Contractors General Contractor Mechanical Contractor BIM 3D Modeling Mobile Boiler Rental Site Work Underground Pipe Contractor Underground Utilities ASME Pipe Fabrication Power Generation
Details
  • Year established: 1973
Highlights and features
  • We have over 50 years of experience in mechanical and civil construction.
  • Our team self-performs 80% of all projects for greater quality control.
  • We hold ASME U, S, H, and R stamps for boiler and pressure vessel work.
  • Available 24/7 for emergency boiler services.
  • Family-run business with three generations of industry expertise.
Associations and certifications
  • ASME
  • National Board of Boiler and Pressure Vessel Inspectors
  • U Stamp
  • S Stamp
  • H Stamp
  • R Stamp
Services
Boiler Contractors
All State Construction specializes in industrial boiler installation, repair, and replacement, including ASME code work and R-stamp-certified projects. Our services cover retubing, leak repairs, and system upgrades for commercial and industrial clients. With decades of experience, we ensure reliable, code-compliant solutions for steam and hot water systems across the Northeast.
Mechanical Contractor
As a leading mechanical contractor in Connecticut, we design and install HVAC, plumbing, and process piping systems for commercial and industrial facilities. Our team handles projects from initial design to final installation, ensuring energy efficiency and compliance with all regulatory standards. We specialize in mission-critical systems for data centers, universities, and healthcare facilities.
ASME Pipe Fabrication
Our ASME-certified fabrication shop produces custom pipe and steel systems for industrial and commercial applications. Equipped with skilled welders and advanced machinery, we deliver structural steel, stacks, and piping solutions meeting U, S, H, and R stamp requirements. Projects include custom finishes and on-site installation for Northeast clients.
Mobile Boiler Rental
We offer temporary boiler rentals ranging from 40HP to 200HP for emergency, maintenance, or peak demand scenarios. Our self-contained units include fuel tanks, controls, and safety systems, with 24-hour delivery and installation available. Clients rely on us for uninterrupted operations during system upgrades or unexpected outages.
Underground Utilities
All State Construction installs and maintains direct-buried piping systems for steam, water, and utilities. Our expertise includes trenchless technology, pressure testing, and corrosion protection for municipal and industrial projects. We ensure long-term durability and compliance with local codes for underground infrastructure across the Northeast.
People
Marc Pare
Chief Executive Officer
Marc Pare leads All State Construction with a focus on innovation and growth. Holding a BS in Mechanical Engineering and an MBA, he has driven technological advancements since joining the family business in 2012.
Pete Pare
President
Pete Pare, a 45-year veteran of the industry, oversees project development and preconstruction. Starting as a pipefitter, he now specializes in client relations and strategic growth, ensuring All State's continued success since 2023.
Questions
What services does All State Construction offer?
We provide mechanical, civil, and general contracting services, including boiler installation, pipe fabrication, underground utilities, BIM modeling, and mobile boiler rentals.
Which areas do you serve?
We operate throughout the Northeast, covering Connecticut, New York, New Jersey, Massachusetts, and neighboring states for commercial and industrial projects.
Are you available for emergency boiler repairs?
Yes, our 24/7 emergency services include rapid boiler rental deployment and urgent repair solutions to minimize facility downtime.
What certifications does All State hold?
We maintain ASME U, S, H, and R stamps, along with National Board of Boiler and Pressure Vessel Inspectors accreditation for quality assurance.
How long has All State been in business?
Founded in 1973, we are a third-generation family-run contractor with over 50 years of experience in the construction industry.
Can you handle large-scale infrastructure projects?
Yes, our team manages complex projects for universities, government facilities, and industrial clients, including power plants and data centers.
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