Business Details
Your Trusted Partner for Engineering & Inspection Services
L.E. Gregg has built a reputation over six decades as a trusted provider of engineering, environmental, and materials testing services. Our team of certified professionals, including ICC Master Inspectors and IFC Premier Level Firestop Inspectors, delivers expertise in geotechnical investigations, environmental compliance, and construction materials testing. With an AASHTO-accredited in-house laboratory and certifications from USACE, we ensure adherence to Kentucky Building Code and federal standards. Our commitment to safety and quality is reflected in our 190+ years of combined experience among field technicians and specialized services like firestop inspections and geotechnical hazard analysis.We serve Kentucky and surrounding regions, supporting clients from project inception through completion with tailored solutions. Our work with institutions like Blue Grass Airport and Centre College demonstrates our ability to handle complex, large-scale projects while maintaining a focus on client partnerships and regulatory compliance.
Services
Geotechnical Engineering
Environmental Assessments
Special Inspections
Materials Testing
Firestop Inspection
Highlights and features
- 60 years of engineering expertise across Kentucky and surrounding states
- AASHTO-accredited in-house laboratory for precise materials testing
- ICC Master Inspectors and IFC Premier Level Firestop Inspectors on staff
- 190+ years of combined experience in construction code compliance
- KYTC pre-qualified for geotechnical, environmental, and special inspections
Associations and certifications
- AASHTO
- USACE
Services
Geotechnical Engineering
Our geotechnical engineers conduct field explorations and lab testing to evaluate subsurface conditions. We use borings, cone penetration tests, and monitoring wells to assess soil stability and recommend cost-effective foundation solutions. Services include slope analysis, pavement design, and seismic hazard evaluation for residential, commercial, and infrastructure projects.
Environmental Services
We provide Phase I/II environmental assessments and permitting support for compliance with federal, state, and local regulations. Our experts handle brownfield redevelopment, groundwater testing, and due diligence for property transactions. Services include hazardous material evaluations and environmental impact analysis for industrial and commercial developments.
Special Inspections
Our ICC-certified technicians perform IBC/KBC inspections for structural integrity and fire safety. We conduct earthwork, concrete, steel, and masonry inspections to ensure construction meets Kentucky Building Code requirements. Services include structural welding checks and fire-resistive material applications for commercial and public infrastructure projects.
Materials Testing
Our AASHTO-accredited lab performs soil, concrete, masonry, and aggregate testing to ASTM standards. We provide quality control for construction materials used in foundations, pavements, and structural elements. Services include concrete cylinder testing, grout prism analysis, and proctor classification for residential, commercial, and transportation projects.
Firestop Inspection
We offer third-party firestop inspections to maintain fire-rated barrier integrity in commercial buildings. Our IFC-certified inspectors evaluate penetrations, joints, and perimeter fire containment systems per ASTM standards. Services include annual fire barrier audits and code compliance guidance for high-rises, healthcare facilities, and educational institutions.
People
Jason Ainslie
President & Principal
Licensed in 25 states with leadership expertise in geotechnical engineering and construction compliance. Oversees strategic direction and technical operations for L.E. Gregg's statewide projects.
Steven Mortimer
Senior Engineer
Manages complex engineering projects with specialization in geotechnical assessments and materials testing. Provides technical oversight for laboratory operations and field investigations across Kentucky.
Daniel Bowles
Master Inspector
Certified ICC Special Inspector with expertise in structural concrete, masonry, and steel inspections. Ensures compliance with Kentucky Building Code for commercial and infrastructure developments.
Chris Sanders
Premier Firestop Inspector
IFC-certified firestop inspector specializing in passive fire protection systems. Conducts code compliance evaluations for high-rise buildings, healthcare facilities, and educational institutions.
Mike Pierce
Certified Welding Inspector
AWS-certified welding inspector ensuring structural integrity of steel components in construction projects. Provides quality control for welding procedures and material compliance.
Questions
What engineering services does L.E. Gregg offer?
We provide geotechnical investigations, environmental assessments, special inspections, materials testing, and firestop inspections for commercial and infrastructure projects.
Are your inspectors certified?
Yes, our team includes ICC Master Inspectors, IFC Premier Level Firestop Inspectors, and AWS-certified welding inspectors with 190+ years of combined experience.
Which areas do you serve?
We operate throughout Kentucky with offices in Lexington, Somerset, and Hopkinsville, serving surrounding regions for engineering and inspection needs.
What accreditations do you hold?
Our Lexington lab is AASHTO-accredited for soils, concrete, and masonry testing. We're also USACE-certified and KYTC pre-qualified for multiple services.
Can you handle large-scale projects?
Yes, we've supported major developments like the Nicholasville Fire Station and Centre College residence hall with comprehensive engineering and testing services.
Reviews (3)
Shelle Pennington
Apr 13, 2022
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Awesome place to work. If you're looking for a honest and experienced engineering firm.one who will always be on your side to guide you through the tough questions, look no further than L.E. Gregg. **Update: even 3 years later I still stand by my review above. They are awesome to work with and full of talented professionals.
Richard Grier
Jun 23, 2021
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LE Gregg is a top notch engineering and geotech firm. Rising Sun Developing has worked with them several times and on some major projects and we're never disappointed! You can trust this firm.
Mark Pennington
May 07, 2020
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This is the most awesome engineering, geotech, and special inspection firm in the state. Michelle who is the logistics coordinator is easy to work with and very friendly. All of the techs are knowledgeable and friendly.
