Business Details
50+ Years
experience
Your Trusted Partner for Maine Construction Solutions
R.J. Grondin & Sons Construction is a third-generation, family-owned earth-moving and construction company established in 1959. Headquartered in Gorham, Maine, we serve Southern and Central Maine with a modern fleet of equipment and a team renowned for expertise, safety, and reliability. Our 60+ years of experience enable us to tackle complex projects including commercial site work, heavy highway construction, utilities, and wetland mitigation, consistently delivering results on time and within budget. We prioritize safety through rigorous training programs, including OSHA-certified staff and hands-on field instruction, earning industry recognition like the ABC Platinum STEP Award. Our commitment to environmental stewardship is evident in sustainable practices such as recycling asphalt and concrete, wetland mitigation projects, and energy-efficient operations.As a community-focused business, we contribute to local causes, youth programs, and infrastructure improvements, reflecting our core values of integrity and service. With an average team tenure of nine years and supervisors boasting 15+ years of experience, we combine generational knowledge with cutting-edge techniques to meet evolving industry demands. Our partnerships with qualified subcontractors and suppliers ensure comprehensive solutions for every project. Recognized for excellence by organizations like the Associated Builders and Contractors of Maine, we remain dedicated to advancing construction standards while preserving the communities we serve.
Services
Commercial Site Work
Heavy Highway
Utilities
Wetland Mitigation
Aggregate Sales
Earth Moving
Quarry Operations
Environmental Remediation
Institutional Subdivisions
Asphalt Recycling
Details
- Year established: 1959
Highlights and features
- We have over 60 years of experience in Maine construction projects.
- Our team averages 9+ years of tenure with industry-leading expertise.
- Award-winning safety program with OSHA-certified training and low incident rates.
- Sustainable practices include material recycling and wetland mitigation projects.
- Deep community involvement through donations, volunteerism, and youth programs.
Services
Commercial Site Work
We specialize in preparing land for commercial construction through grading, excavation, and infrastructure installation. Our team ensures proper drainage, utility placement, and foundation readiness using modern equipment. Clients benefit from our ability to manage complex projects from start to finish while adhering to strict timelines and regulatory standards.
Heavy Highway Construction
Our highway construction services include asphalt paving, concrete work, and road design for municipal and state transportation projects. We utilize advanced machinery and materials to create durable, safe roadways. Clients receive cost-effective solutions that improve traffic flow and infrastructure longevity across Northern New England.
Aggregate Material Sales
We produce and sell sand, gravel, stone, and recycled materials from quarries in Southern Maine. These materials support construction projects, landscaping, and consumer needs with delivery options available. Clients gain access to high-quality, locally sourced products that reduce transportation costs and environmental impact.
Wetland Mitigation
Our team designs and implements wetland compensation projects to offset development impacts while preserving ecosystems. Services include habitat restoration, permitting assistance, and regulatory compliance. Clients receive sustainable solutions that meet environmental standards and enhance biodiversity in the Greater Portland Region.
Earth Moving Services
We provide large-scale excavation, grading, and site preparation using a modern fleet of bulldozers, excavators, and loaders. Projects range from residential subdivisions to industrial complexes. Clients benefit from precise land shaping, efficient material handling, and experienced operators who ensure project success in diverse terrain conditions.
Questions
What construction services do you offer?
We provide commercial site work, heavy highway construction, utilities, wetland mitigation, and aggregate material sales across Northern New England.
How long has your company been operating?
Since 1959, making us a third-generation family-owned business with deep industry expertise.
Do you work outside of Maine?
Our primary focus is Southern and Central Maine, but we serve all of Northern New England.
What safety certifications do your teams hold?
We have OSHA 10/30-hour trained staff, defensive driving certifications, and a nationally recognized safety program.
How can I apply for a job?
Visit our Careers page to view current openings and submit your application for consideration.
Are your materials environmentally friendly?
Yes, we recycle asphalt and concrete, use reclaimed aggregates, and implement sustainable practices in all projects.
