• icon1  25 Professionally trained
    •                        staff members
  • icon2 48 State Licenses
  • icon3    40 Years of Experience

LMHT Associates is a multi-disciplined Architectural and Engineering firm with decades of experience. LMHT specializes in office, health care, shopping center, and retail design. Staff including Architects, Mechanical, Electrical, and Plumbing Engineers insures complete and coordinated construction documents from design phase through construction process.

N. Ray Thornton, PE, LEED AP Principal/CEO
Glen “Oscar” Lehmann, AIA NCARB Principal
Paige H Wood, Associate Director of Client Relations and Marketing

Licensed Personnel

  • N. Ray Thornton, PE, LEED APPrincipal/CEO
  • Glen "Oscar" Lehmann, AIA NCARBPrincipal
  • Joseph Morgan, PEChief Mechanical Engineer
  • Ross Stocks, PE, LEED APChief Electrical Engineer
  • Shawn Slyter, PEDirector of Engineering
  • David Mayer, AIA, NCARB, LEED Green AssociationArchitect Director
  • Tammy Davis, NCARB, AIA, LEED APArchitect Director

LMHT is professionally registered in the following states:

Our Services

Project Management

Predevelopment Project Research

Preliminary site investigation reports and feasibility studies to determine if a specific site is favorable in regards to local city and zoning regulations for your specific concept and design parameters. This service will outline a timeline of what to expect while obtaining civil and building permits.

Permitting expertise including Health Department

Extensive experience working with local City Departments to obtain all approvals necessary to begin your project. With our vast experience across the country over the many years in the industry, we have come across almost all scenarios possible and have personal connections with city officials from our home town of Raleigh/Durham to California.

Engineering design in Plumbing, Mechanical, and Electrical

PME Value Engineering for cost savings

Budget is always a high priority when we design your space and we will do what is practically possible to design your space most economically while still maintaining quality finishes and meeting all code requirements. We can also review previous project drawings to offer savings during the construction process on your next project. We design to maximize efficiency for new and existing HVAC systems specific to your geographical location. Electrical Energy Savings options are made available for initial construction and life time operations.

LEED Certified design capabilities

Multiple LEED (Leadership in Energy and Environmental Design) Certified Designers are on staff, in all disciplines. We are capable of creating a building which can utilize select energy saving design elements as part of full LEED Compliance and Certification projects.

Company Branding

Exterior and Interior branding design

A created unique design will identify your brand to your customers, across the city or across the country. We will translate your conceptual ideas to an interior and exterior design package which express and convey your mission to your customers with visual elements.

Décor design

Interior design capabilities are another one of our strengths with registered NCIDQ (National Council for Interior Design Qualification) staff and our large in house materials library. Designs provided range in color, furniture, products and materials as developed in conjunction with our large working relationship with vendors across fields to provide you with the best options.

Full computer 3D renderings, exterior and interior

State of the art software technology can be utilized to allow you to tour your space visually prior to any construction to best visualize and ensure that our design is what your anticipate for your new space. A created video file can walk you from the exterior views of your building, through the front door, and into all corners of your space.

Color and material boards

Presentation story boards, physical samples of all proposed materials in a space with identifying color and textures selected can be generated as needed for client review and as required for some municipalities.

Building Design & Operations Coordination

Value Engineering for cost savings

Value Engineering in building design is always at the forefront of our designer’s minds when putting together your space. We combine our design experience with years of construction experience to determine the most practice way to construct your building while considering your budget.

As-built investigations and adaptive reuse design

Service consists of documentation and evaluation of your tenant space for upfit or remodel, including all mechanical, electrical, plumbing and structural systems, as required for the successful design of your new project.

Our Clients

Our Projects


  • LMHT calls new office home

    31 December, 2015

    After 18 years at our old location, LMHT has moved to a new custom office space. Our new custom space, designed in house, is at 3005 Carrington Mill Blvd. Morrisville, NC. We look forward to hosting all of our clients and sharing our new home, at its convenient location situated off of I-40 and close to RDU airport.


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