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Business Details
50+ Years
experience
Trusted Construction Contractors in Pittsburgh
Founded in 1959, Mosites Construction & Development & Development has built a legacy of excellence in construction management, design/build solutions, and general contracting. Our team collaborates closely with clients from project inception to completion, offering expertise in preconstruction planning, self-performed trades, and risk mitigation. With a focus on safety, sustainability, and innovation, we deliver high-quality projects across educational, healthcare, industrial, and commercial sectors.

Our commitment to client advocacy and operational transparency has earned us recognition as an industry leader, serving Western Pennsylvania and beyond. By integrating advanced construction techniques with decades of experience, we ensure projects meet exacting standards while adhering to schedules and budgets. Our partnerships with prominent clients reflect our dedication to exceeding expectations through reliable execution and forward-thinking solutions.
Services
Construction Management Design/Build Preconstruction Services General Contracting Self-Perform Work
Details
  • Year established: 1959
Highlights and features
  • We offer over 60 years of experience in construction management and contracting.
  • Our self-perform capabilities ensure faster project timelines and cost efficiency.
  • We maintain a zero-accident safety standard across all job sites.
  • Our sustainable practices reduce environmental impact without compromising quality.
  • We partner with industry leaders like Westinghouse and PNC Bank to deliver tailored solutions.
Associations and certifications
  • ESWP
What people say
Tremendous asset Confident in decisions Mitigate risks Get the job done right Safety-focused team
Services
Construction Management
Mosites provides end-to-end construction management, coordinating all project phases from planning to execution. Our team ensures adherence to budgets, timelines, and quality standards while maintaining transparent communication with stakeholders. With decades of experience, we mitigate risks and streamline processes for educational, healthcare, and commercial clients.
Design/Build
Our design/build service combines architectural expertise with construction excellence, offering clients a single-point-of-contact approach. By collaborating with skilled architects and engineers, we deliver customized solutions for warehouses, offices, and industrial sites, ensuring alignment with client goals and operational efficiency.
Preconstruction Services
Mosites preconstruction services include cost analysis, scheduling, and risk assessment to establish a solid foundation for project success. We engage stakeholders early to define objectives, select subcontractors, and optimize resource allocation, ensuring clarity and feasibility before groundbreaking.
General Contracting
As a full-service general contractor, Mosites manages all aspects of construction, from securing permits to coordinating subcontractors. We handle material procurement, site logistics, and compliance, providing clients with a seamless experience and accountability for project outcomes.
Self-Perform Work
Mosites self-performs critical trades like concrete work and carpentry, enhancing schedule control and cost efficiency. This approach reduces reliance on third parties, accelerates problem-solving, and maintains quality standards through our skilled in-house workforce.
People
M. Dean Mosites
CEO and President, Building Division
Leading Mosites Building Division, M. Dean Mosites oversees strategic operations and client relations. With decades of industry experience, he emphasizes innovation, safety, and client advocacy in delivering complex construction projects.
Mark Edgar
Vice-President of Estimating, Procurement & Marketing
Mark Edgar manages estimating and procurement strategies, ensuring cost-effective solutions for Mosites projects. His expertise in construction economics and client engagement drives efficient project delivery and long-term partnerships.
Lorenzo Sciulli
Vice-President of Operations
Lorenzo Sciulli directs daily operations, focusing on project execution and team coordination. With a background in construction management, he ensures adherence to safety protocols and operational excellence across all job sites.
Pete Bianco
Director of Strategic Planning
Pete Bianco leads strategic initiatives, aligning Mosites growth with market trends and client needs. His planning expertise supports sustainable development and innovative construction methodologies for diverse projects.
Brian Gilkey
President, Heavy Division
Brian Gilkey oversees Mosites Heavy Division, specializing in infrastructure projects like roads and bridges. His leadership emphasizes quality craftsmanship and community impact, maintaining the divisions reputation for excellence in public-sector work.
Questions
What services does Mosites Construction & Development & Development offer?
Mosites provides construction management, design/build, preconstruction services, general contracting, and self-perform trades like concrete and carpentry.
Which industries does Mosites serve?
We work across education, healthcare, commercial/retail, industrial, and infrastructure sectors, delivering tailored solutions for diverse client needs.
How does Mosites ensure project safety?
Our zero-accident safety program includes rigorous training, on-site audits, and compliance with OSHA standards to protect workers and project integrity.
What areas does Mosites operate in?
Primarily serving Western Pennsylvania, we also undertake projects in surrounding regions for infrastructure and commercial development.
Can Mosites handle complex construction projects?
Yes. Our experience with projects like university facilities and hospitals demonstrates our ability to manage complexity through expert planning and execution.
How does self-performing work benefit clients?
Self-performing key trades reduces delays, lowers costs, and allows greater quality control by leveraging our in-house skilled labor force.