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Geotechnical Engineering, Construction Materials Testing, Construction Quality Control
Construction Engineering and Inspection (CEI), Aviation Quality Assurance, Aviation Project Engineering/Inspection (RPR)

About Us

Cal-Tech was founded in 1980 by Calvin and Linda Creamer in Lake City, Florida.

Our team is made up of geotechnical engineers, scientists, certified asphalt plant technicians, building and roadway inspectors. Our facilities are equipped with the latest, state-of-the-art equipment for: Superpave asphalt mix designs, large instrumented moisture rooms (for curing concrete specimens), automatic compactors, hydraulic presses, concrete and soil load machines, soil, concrete, and asphalt analysis equipment, and other specialized testing.

Cal-Tech is a DBE/MBE Firm in Florida and Georgia. Our laboratories are CMEC Certified and approved by Florida Department of Transportation (FDOT). We also perform work for GDOT, FAA, Army Corps of Engineers, DOD, and Federal, Local, and State Agencies. Our team is made up of Civil and Geotechnical Engineers, certified field and laboratory technicians, certified asphalt plant and roadway inspectors (FDOT), project managers, project engineers, office engineers and administrative staff.

Cal-Tech's facilities are located in Lake City and Jacksonville, FL, to conveniently serve you.

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Why Choose Cal-Tech Testing

Our Commitment to Quality

Cal-Tech Testing, Inc. works with various organizations and agencies in establishing strong business relationships in the geotechnical engineering and construction materials testing fields. Agencies such as the Georgia and Florida Departments of Transportation, and the Federal Aviation Administration have come to know and recognize Cal-Tech as a reputable engineering and testing firm.

Our Philosophy

It is our goal to focus on details and established procedures to eliminate errors before they occur. This results in the highest level of reliability and confidence that you as our valued client expect and deserve.


We provide comprehensive and reliable solutions to our customers. With our team of experienced professionals and state-of-the-art equipment, we offer a wide range of services tailored to meet your unique requirements. We are committed to delivering high-quality results that ensure the success and safety.

Material Testing

Our personnel are certified by FDOT, ACI, CMEC, AWS and other appropriate agencies and are familiar with techniques and procedures.

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Cal-Tech maintains fully operational drill rigs for performance of: Standard Penetration Test Borings, Auger Borings and more.

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We are a leader in inspection of Federal Aviation Administration projects across the Southeast, the Bahamas, and the Virgin Islands.

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All Services

Our laboratories are CMEC Certified and approved by Florida Department of Transportation (FDOT).

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Cal-Tech Personnel

Cal-Tech Testing's dedication to excellence and providing high quality services is supported by our experienced staff which is sensitive to your needs. This group serves as key people for our services and have over 50 years combined experience in the Materials Testing and Engineering Industry in the South East.

Gary McCollum

Executive Vice President/Owner (c) 904-759-0412 Gary has been with Cal-Tech Testing since its inception in 1980 and his extensive experience in the field and laboratory make him a valuable asset to the company. As...
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Mike Stalvey

Vice President (c) 386-623-0920 Mike's extensive experience in the Construction Materials Testing and Engineering field makes him a valuable asset to Cal-Tech Testing, particularly in his role...
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Ivan E Marcano, MSCE, P.E.

Florida Registered Geotechnical Engineer Mr. Ivan E. Marcano brings an impressive wealth of experience as the Senior Construction Material Testing and Geotechnical Engineer at Cal-Tech Testing. As a Florida...
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Brian McCollum P.E.

Project Manager/Registered Professional Engineer Brian's background as a Civil Engineering graduate from Florida State University and his role as the Project Engineer for Cal-Tech's Jacksonville FL facility make...
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Chad Day

Field Services/Quality Control Manager
Lake City (c) 386-365-0036

Steven Pillars

Field Services Manager
Jacksonville (c) 904-588-5073

Richard Godbold

Asphalt Mix Designer (c) 386-755-3633

Joey Murphy

Laboratory Manager
Jacksonville (c) 904-381-8901

Jesse Giebeig

Laboratory Manager
Lake City (c) 386-755-3633