MEP Services
MEP Services is a private group of four regional specialty contractors (H.T. Lyons, Trystate, B-G Mechanical, Fred Williams) providing HVAC, mechanical, electrical, plumbing, and energy services to commercial, industrial, healthcare, and institutional facilities across 11 Northeast and Atlantic-coastal states, operating as a subsidiary of Equans North America.
- Company typePrivate
- Founded2003
- HeadquartersAllentown, United States
- Headcount501–1,000
- GTM typeB2B
- OfferingServices
What MEP Services does
MEP Services is a private, for-profit mechanical, electrical, and plumbing services group operating as a family of four specialty contractors — H.T. Lyons, Trystate, B-G Mechanical, and Fred Williams — headquartered in Allentown, Pennsylvania, and serving commercial, industrial, municipal, and institutional facilities across 11 Northeast and Atlantic-coastal states from 11 offices. The company is a wholly-owned subsidiary of Equans North America, itself part of Equans, a global multi-technical services organization with 72,000 employees in 17 countries (4,500 in the U.S. and Canada), and trades under the DBA Equans MEP Services. Its portfolio spans project engineering and construction (HVAC, plumbing, electrical design-build), facility maintenance and operations including 24/7 emergency response, energy services (boiler/chiller maintenance, HVAC tuning, commissioning, energy audits, building controls upgrades), and turnkey design-build-operate-maintain solutions for continuous-process sites such as pharmaceutical and semiconductor plants. Specialized capabilities include prefabrication and modularization using BIM-driven DfMA, mission-critical MEP engineering for data centers and high-availability facilities, BIM services built on Autodesk Revit, distributed energy solutions (CHP, microgrid, battery and thermal storage, virtual power plant integration), peak shaving and demand response, and participation in the Equans Digital network that connects its building controls and automation teams to 9,000+ digital professionals across 20 countries.
The company’s revenue model is project-based and quote-driven, with multi-year contracts typical for maintenance, operations, and design-build-operate-maintain engagements, and one-time project revenue for construction. Pricing is determined per project based on scope, complexity, and requirements, with no publicly disclosed standard tiers. Go-to-market is enterprise field sales executed through the four regional operating companies, each with its own sales team and contact channels serving a defined territory (e.g., H.T. Lyons covers PA, NY, DE, NJ, CT, and the Carolinas; Trystate serves the Greater New York Metro area; B-G Mechanical covers Western MA, CT, RI, NH, and VT; Fred Williams covers Eastern MA). The customer base is enterprise, with named logos including Lehigh Valley Health Network, Glaxo Smith Kline, GlobalFoundries, Sanofi Pasteur, Olympus America, Apple, IBM, KPMG, MetLife, Sam Adams Brewery, and multiple New York healthcare and cultural institutions. Differentiation rests on a supplier-agnostic, single-source partner model, regional depth across 11 states, BIM-enabled prefabrication, safety performance (2,500,000+ man-hours without a lost-time injury; 2025 M&SCA Safety Award, Category 5, First Place), and the financial and technical backing of the global Equans organization.
MEP Services firmographics
Firmographics- Name
- MEP Services
- Legal name
- MEP Services
- Website
- https://equansmep.com
- Company type
- Private
- Founded year
- 2003
- Operating status
- Operating
- Headcount range
- 501–1,000 employees
- Short description
- MEP Services is a private group of four regional specialty contractors (H.T. Lyons, Trystate, B-G Mechanical, Fred Williams) providing HVAC, mechanical, electrical, plumbing, and energy services to commercial, industrial, healthcare, and institutional facilities across 11 Northeast and Atlantic-coastal states, operating as a subsidiary of Equans North America.
- Ownership category
- akta.pro rank
MEP Services industry classification
Industry- Product category
- Mechanical, Electrical, and Plumbing (MEP) Contracting Services
- NAICS
- Electrical Contractors and Other Wiring Installation Contractors (23821), Specialized Design Services (5414)
- SIC
- Construction - Special Trade Contractors (1700), Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585)
- akta.pro primary industry
- MEP (Mechanical, Electrical & Plumbing) Engineering Consulting (BPAHAIAE)
- akta.pro secondary industries
- Hard Services (MEP/HVAC, Electrical, Plumbing) (BPABAAAA), Data Center MEP Operations & Maintenance (Specialized) (BPABACAM), Data Center MEP & Commissioning (Electrical, Mechanical, BMS, Integrated Systems Testing) (IMAFAIAH)
Keywords
Where MEP Services is headquartered
LocationHeadquarters
- HQ city
- Allentown
- HQ country
- United States
- HQ region
- North America
Offices8 records
Markets served
MEP Services business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Supply Chain, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Project Engineering and Construction: Design-build and construction management services for MEP projects including new construction, renovations, and retrofits for commercial, industrial, municipal, and institutional facilities.
- Facility Maintenance and Operations: Comprehensive facility maintenance and operations contracts, including preventive and predictive maintenance programs, 24/7 emergency services.
- Energy Services: Energy transition and efficiency solutions including boiler, chiller, cooling tower maintenance, HVAC tuning, commissioning, energy audits, and building controls upgrades.
- Turnkey Design-Build-Operate-Maintain: Integrated solutions delivered through prime contracts directly with owners, specifically engineered to support continuous manufacturing and research operations.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Project-based pricing for construction and engineering services |
Go-to-market motion1 record
Distribution channels4 records
Marketing channels3 records
MEP Services product offering
Product offeringCore offering
MEP Services is a family of four specialty contractors (H.T. Lyons, Trystate, B-G Mechanical, and Fred Williams) that designs, builds, and maintains mechanical, electrical, and plumbing systems for commercial, industrial, municipal, and institutional facilities across the Northeast and Atlantic-coastal states. The firm delivers turnkey design-build projects, 24/7 facility maintenance and operations, energy efficiency and decarbonization solutions, and mission-critical MEP engineering for data centers and healthcare facilities.
Product overview
MEP Services is a unified family of four specialty contractors (H.T. Lyons, Trystate, B-G Mechanical, and Fred Williams) providing comprehensive mechanical, electrical, and plumbing services across the Northeast United States. As part of EQUANS North America, the company offers a single-source partner approach for commercial, industrial, municipal, and institutional facilities. The portfolio includes core services such as MEP construction and maintenance, prefabrication and modularization, energy efficiency solutions, building controls, and mission-critical data center engineering. Supporting offerings include BIM services, distributed energy solutions (CHP, microgrids, battery storage), predictive maintenance programs, VFD installations, and peak shaving services. Equans Digital integration provides automation and digital expertise across the organization. The company serves 11+ states with 700+ professionals from 11 offices.
Differentiator
Problem solved
Functional benefit
Products and services
- MEP Services Group Full-range mechanical, electrical, and plumbing services for commercial, industrial, municipal, and institutional facilities, including mechanical maintenance, construction, and 24/7 emergency services. Targets facility owners across the Northeast.
- Turnkey Design-Build-Operate-Maintain Single-source design, build, operate, and maintain solution delivered under a prime contract directly with the facility owner; designed for continuous manufacturing and research operations.
- Mission-Critical MEP Engineering Specialized MEP engineering for data centers and high-availability facilities where uptime is non-negotiable, including redundancy strategies and integrated power and cooling solutions.
- Prefabrication and Modularization Off-site prefabrication of repetitive MEP components and modular assembly of entire mechanical, electrical, and digital systems as single functional units with minimal connection points, reducing schedule and cost.
- HVAC Maintenance Programs Comprehensive HVAC maintenance programs spanning run-to-failure, preventive, condition-based, and predictive maintenance approaches with CMMS integration and 24/7 emergency response.
- Distributed Energy Solutions (DER) Energy transition solutions including Combined Heat and Power, cogeneration, microgrids, battery and thermal energy storage, renewable energy systems, and Virtual Power Plant integration for facilities seeking on-site generation and resilience.
- VFD (Variable Frequency Drive) Services Energy-saving Variable Frequency Drive installation and integration services that can reduce motor energy consumption up to 90%, extend motor life, and integrate with smart building controls.
- Peak Shaving and Demand Response Corporate peak shaving services and demand response program participation to reduce electricity costs and grid load during peak demand periods.
- Equans Digital Building Automation Building automation, BIM services, telecom and connectivity, audiovisual and video systems, and robotic integration delivered through the global Equans Digital network.
Quantifiable outcome
- 99.998% equipment availability achieved over 10-year O&M agreement at Sanofi Pasteur
- +4 more outcomes
Companies that use MEP Services
Customer profileNamed customers24 records
Segments6 records
Ideal customer profiles5 records
MEP Services technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
MEP Services partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- Equans North AmericaflagshipMEP Services is part of Equans North America, leveraging the technical depth, innovation, and financial strength of a global organization. Equans operates in 17 countries with 72,000 employees, providing MEP Services access to extensive resources, global best practices, and cross-regional expertise.
Scale indicators6 records
Recent moves6 records
Expansion highlights6 records
MEP Services competitors and assessment
Company assessmentDirect peers
- Limbach Holdings: Limbach Holdings is a publicly traded specialty contractor delivering integrated MEP, HVAC, plumbing, and building controls services across the US. It directly competes with MEP Services on healthcare, data center, and institutional projects, with a comparable project + recurring services revenue model.
- Comfort Systems USA: Comfort Systems USA is one of the largest national mechanical and electrical contracting firms, providing HVAC, plumbing, and piping services. It competes directly with MEP Services across commercial, industrial, healthcare, and data center markets and represents the scaled national version of MEP Services' business.
- EMCOR Group: EMCOR Group is a leading provider of electrical and mechanical construction, facilities services, and energy solutions across the US and UK. Its Mechanical & Electrical Services segment is a direct comparable to MEP Services across data centers, healthcare, and industrial verticals.
- IES Holdings: IES Holdings provides electrical and mechanical design, installation, and maintenance services for commercial, industrial, and residential markets in the US. It is a direct peer on the MEP contracting and facilities services side, especially in data center and industrial work.
Broad incumbents
- APi Group: APi Group is a global, multi-billion-dollar provider of safety, specialty, and industrial services, including fire suppression and HVAC-related services. It competes with MEP Services on life-safety MEP and energy services for large commercial and institutional customers.
- Johnson Controls: Johnson Controls is a global broad incumbent in building solutions, HVAC equipment, and building automation. It competes with MEP Services on integrated building controls, energy services, and HVAC equipment-as-a-service offerings across large commercial and data center customers.
- Trane Technologies: Trane Technologies is a global HVAC equipment and services incumbent. While primarily an OEM, Trane's applied and service businesses overlap with MEP Services on commercial HVAC installations, energy services, and building decarbonization retrofits.
- Carrier Global: Carrier Global is a broad HVAC, refrigeration, and building automation incumbent. Its applied HVAC and service businesses compete with MEP Services on commercial HVAC installation, controls, and energy-efficiency upgrades for institutional customers.
Emerging players
- Stantec: Stantec is a global engineering, architecture, and environmental services firm with a growing MEP/building services practice. It competes with MEP Services' engineering design and mission-critical design work for data centers, healthcare, and institutional clients.
- WSP Global: WSP Global is a global professional services firm with a US building MEP and mission-critical facilities practice. It is a comparable peer in the design and engineering consulting portion of MEP Services' value chain, especially for healthcare and data center projects.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
MEP Services social profiles
Digital presenceMEP Services compliance and trust
Trust signalCompliance3 records
MEP Services financial estimates
Financial estimateRevenue estimate
Valuation estimate
MEP Services leadership team
Management profileNumber of profiles
MEP Services subsidiaries and ownership
Company hierarchySubsidiaries4 records
MEP Services funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
MEP Services M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about MEP Services
What does MEP Services do?
MEP Services is a family of four specialty contractors (H.T. Lyons, Trystate, B-G Mechanical, and Fred Williams) that designs, builds, and maintains mechanical, electrical, and plumbing systems for commercial, industrial, municipal, and institutional facilities across the Northeast and Atlantic-coastal states. The firm delivers turnkey design-build projects, 24/7 facility maintenance and operations, energy efficiency and decarbonization solutions, and mission-critical MEP engineering for data centers and healthcare facilities.
Is MEP Services a public or private company?
MEP Services is a private company. It is classified as corporate owned and is currently operating.
When was MEP Services founded?
MEP Services was founded in 2003. It employs 501 to 1,000 people.
Where is MEP Services based?
MEP Services is headquartered in Allentown, United States, in the North America region.
How does MEP Services make money?
Four revenue lines are on record. Project Engineering and Construction is the primary driver. The others are facility Maintenance and Operations, energy Services and turnkey Design-Build-Operate-Maintain.
Who are MEP Services's main competitors?
Direct peers on record are Limbach Holdings, Comfort Systems USA, EMCOR Group and IES Holdings. Broad incumbents are APi Group, Johnson Controls, Trane Technologies and Carrier Global. Emerging players are Stantec and WSP Global.
Does MEP Services have an API?
No public API is recorded for MEP Services.
What industry is MEP Services in?
MEP Services's product category is Mechanical, Electrical, and Plumbing (MEP) Contracting Services. Its primary akta.pro industry code is BPAHAIAE, MEP (Mechanical, Electrical & Plumbing) Engineering Consulting, with a secondary code of BPABAAAA, Hard Services (MEP/HVAC, Electrical, Plumbing). Its NAICS code is 23821 and its SIC code is 1700.