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Trusted MEP Engineering Solutions in Columbia, MD
Allen & Shariff has built enduring partnerships through client-focused relationships, delivering successful MEP engineering solutions for over two decades. Our commitment to innovation, integrity, and collaboration ensures projects meet the highest industry standards while fostering growth for clients, employees, and communities. We specialize in mechanical, electrical, plumbing, and sustainability services, combining technical expertise with strategic project management to address complex challenges globally.

Our teams dedication to excellence and continuous improvement positions us as trusted advisors in the engineering sector, prioritizing transparency, ethical practices, and long-term value for every stakeholder.
Services
MEP Engineering Commissioning Services Project Management Mechanical Engineering Electrical Engineering Plumbing Design Fire Protection Renewable Energy Consulting Energy Audits Sustainability Certification
Highlights and features
  • We offer over 20 years of expertise in MEP engineering and project management.
  • Our client-focused approach ensures tailored solutions for complex engineering challenges.
  • We prioritize innovation and sustainability in every project design.
  • Our team includes certified professionals with industry-recognized accreditations.
  • We maintain strategic partnerships to deliver projects on time and within budget.
Associations and certifications
  • Maryland Department of Transportation
  • National Minority Supplier Development Council
  • Mid-States Minority Supplier Council
  • Capital Region Minority Supplier Development Council
  • City of Baltimore
  • Howard County, Maryland
  • Prince Georges County, Maryland
  • Urban Redevelopment Authority of Pittsburgh
  • Certified Small Diverse Business (SDB) Pennsylvania Department of General Services
Services
MEP Engineering
Allen + Shariff provides comprehensive mechanical, electrical, and plumbing engineering for new construction and retrofits. Our designs optimize efficiency, code compliance, and occupant comfort. We collaborate with architects and contractors to integrate systems seamlessly, ensuring long-term performance and sustainability for commercial, healthcare, and educational facilities.
Commissioning Services
Our commissioning process verifies building systems meet design specifications and operational needs. We conduct energy audits, functional testing, and performance assessments to ensure HVAC, electrical, and plumbing systems operate efficiently. This reduces energy costs, enhances occupant safety, and extends equipment lifespan for clients.
Project Management
We manage all phases of construction projects, from planning to completion. Our team coordinates bids, schedules, and quality control to ensure timely delivery within budget. We specialize in government and institutional projects, minimizing risks while maintaining compliance with regulatory standards and client expectations.
Renewable Energy Consulting
Allen + Shariff advises on renewable energy integration, including solar, geothermal, and energy storage systems. We perform feasibility studies and lifecycle analyses to identify cost-effective, eco-friendly solutions. Our expertise helps clients achieve LEED certification and reduce carbon footprints across diverse building types.
Energy Audits
We conduct detailed energy audits to identify savings opportunities in existing buildings. Our analysis covers HVAC, lighting, and insulation systems, providing actionable recommendations for reducing consumption and operational costs. Clients receive tailored roadmaps to improve efficiency while maintaining comfort and compliance.
People
Zack Shariff
Chief Executive Officer
Zack Shariff leads Allen & Shariff with a focus on strategic growth and client satisfaction. He drives innovation in MEP design and sustainability, leveraging over 25 years of industry experience to guide the firms vision and operational excellence.
David Price
President of Engineering
David Price oversees engineering operations, ensuring technical excellence across projects. With expertise in complex MEP systems, he mentors teams to deliver high-performance solutions for healthcare, government, and commercial clients while maintaining strict adherence to industry standards.
Diane Bookwalter
COO of Engineering
Diane Bookwalter manages day-to-day engineering activities, emphasizing quality control and client collaboration. Her background in project delivery and sustainability initiatives strengthens the firms ability to execute large-scale, multidisciplinary projects efficiently and sustainably.
Ahmad Hachicho
Vice President of Engineering
Ahmad Hachicho specializes in MEP design for mission-critical facilities. He leads technical teams to develop resilient, code-compliant systems that balance innovation with practicality, ensuring reliability for clients in healthcare, data centers, and industrial sectors.
Mohamed Seif Abaza
Vice President of Commissioning
Mohamed Seif Abaza directs commissioning and sustainability services, focusing on energy efficiency and system optimization. His expertise in LEED certification and building performance testing ensures clients achieve operational excellence and environmental compliance.
Questions
What services does Allen + Shariff Engineering offer?
We specialize in MEP engineering, commissioning, project management, energy audits, and sustainability consulting for commercial and institutional buildings.
How has Allen + Shariff adapted HVAC design post-pandemic?
We prioritize improved ventilation, higher-efficiency MERV 13+ filters, and contaminant-path control strategies to enhance indoor air quality.
Do you provide services outside the U.S.?
Yes, we operate in the Middle East, including Dubai and Abu Dhabi, alongside U.S. locations.
What certifications does Allen + Shariff hold?
We are certified as a Minority Business Enterprise (MBE) by multiple regional and national organizations.
How does Allen + Shariff ensure project quality?
Our team combines technical expertise with rigorous quality control processes and industry best practices.