Top MEP Engineering Design Firms in New York

National MEP Engineers

National MEP Engineers is a US-based, offshore-enabled MEP engineering design partner that extends New York AEC teams' production capacity for accelerated, code-compliant drawings.

The firm operates as an offshore production extension for architecture and engineering firms across the country, including New York-based practices. Licensed professional engineers stamp each drawing package, with design adhering to IBC, IPC, IMC, IFC, NFPA, ASHRAE, and NEC requirements. This organization delivers Revit and AutoCAD construction documents on a fixed-fee basis, with Title 24 energy modeling, fire protection, and end-to-end MEP design production as primary service lines.

Core Competencies:

• PE-stamped drawings across multiple states
• Revit and AutoCAD-based MEP documentation
• Fixed-fee expedited delivery model

Best for: New York architecture and general contracting firms that need to amplify MEP drafting capacity without any additional internal overhead.

Syska Hennessy Group

Syska Hennessy is a 1928-founded, New York City global MEP and ICT consultancy ranked as the number one data center designer in ENR’s Top 500 Design Firms Sourcebook.

Headquartered on the Avenue of the Americas in Manhattan, this organization fields over 650 professionals across 20+ offices globally. The firm earned ENR West’s 2025 Design Firm of the Year award and ranked 17th on Consulting-Specifying Engineer’s 2025 MEP Giants list. Syska’s NY portfolio features mission-critical data centers, healthcare, aviation, hospitality, and higher education, layering architectural lighting and commissioning onto core plumbing, HVAC, and electrical design.

Core Competencies:

• Mission-critical and data center MEP design
• Commissioning, architectural lighting, and ICT services
• LEED-aligned, decarbonization-centric system design

Best for: large-scale healthcare, commercial, and high-stakes projects in New York, seeking enterprise-grade MEP coordination.

YEC Engineering

YEC Engineering is a boutique, founder-led, NYC-based MEP firm structured around hands-on engineering for residential, commercial, and higher-education clients.

Founded in 2006, this firm (legally Yorkos Engineering, Design, Consulting PLLC) functions from a Midtown Manhattan office serving owners, developers, and architects directly. YEC’s body of work comprises VRF systems, sprinkler engineering, chiller and boiler plant design, and NYC Special Inspections. Its compact team structure guarantees that principal-level engineers are involved in every assignment.

Core Competencies:

• VRF, chiller, and boiler plant engineering
• NYC Special Inspections and due-diligence reporting
• LEED and sustainable design consulting

Best for: small to midsize developers in New York looking for direct, principal-grade engineering oversight.

M/E Engineering, a Salas O'Brien Company

Incorporated in 1991, M/E Engineering is an upstate New York MEP firm that joined Salas O’Brien in October 2025, coupling 30+ years of regional design experience with national, employee-owned resources.

Its 200+ team members work from offices in Buffalo, Rochester, Syracuse, and the Capital District, offering services to healthcare, government, education, and commercial clients. A strategic merger with Salas O’Brian, an ENR and Consulting-Specifying Engineer top-ranked company, preserved M/E’s regional leadership while adding global collaboration, weaving in international collaboration, and a deeper technical bench. The combined organization delivers MEP design, fire protection, building commissioning, and sustainable design services.

Core Competencies:

• MEP design for healthcare, education, and government
• Fire protection and building commissioning
• Sustainable, energy-conscious system design

Best for: upstate and statewide NY-based education, institutional, and healthcare projects needing a regional MEP expert team backed by national resources.

EP Engineering

Based in NYC, EP Engineering is an MEP firm at the forefront of Passive House design, catering to hospitality, residential, educational, and healthcare developments.

Operating from its William Street office in Lower Manhattan, this organization pairs HVAC, electrical, plumbing, fire alarm, and telecommunications design with subject-matter mastery in Local Law 84, 87, and 97 compliance. The firm’s MEP team coordinated systems for the Passive House-certified Gemma Gramercy mixed-use tower in 2024, balancing energy recovery ventilation and variable refrigerant flow heat recovery within stringent Passive House envelope constraints.

Core Competencies:

• Passive House and high-performance building design
• Local laws 84, 87, and 97 energy compliance
• Residential, hospitality, and healthcare MEP designs

Best for: developers pursuing Passive House certification or aggressive Local Law 97 emissions compliance in New York.

NY Engineers

An Inc. 5000-recognized MEP and fire protection firm, NY Engineers offers developers in New York a zero-change order guarantee across HVAC, electrical, plumbing, and BIM services.

Headquartered on Fifth Avenue in Manhattan, this company designs NYC MEP and Fire Codes, along with NFPA and national standards. Its energy service offerings entail Local Law 84 benchmarking, Local Law 87 audits, Local Law 97 compliance, and 179D tax deduction analysis, while its VDC team produces Revit MEP models, clash detection, and shop drawings. The company has extensive experience working in sectors like healthcare, residential, retail, hospitality, and franchise build-outs throughout the five boroughs.

Core Competencies:

• Zero change order assurance on MEP documentation
• Local Law 84, 87, and 97 energy compliance services
• BIM/VDC modeling, clash detection, and shop drawings

Best for: franchise, retail, and multifamily developers searching for predictable, change-order-free MEP delivery.