Forensic, General & Medical
Expert Witnesses

Chemical Analysis Expert Witnesses

Chemical Analysis Experts Testimony and Legal Consultants



Okorie Okorocha, M.S., M.S., J.D.

Okorie Okorocha, M.S., M.S., J.D.
California - Serving: California

Phone (310) 497-0321
Website www.okorieokorocha.com

Forensic Toxicology, Dram Shop and Blood Testing Expert Witness

Qualified as an expert witness over 3000 times, in 40 different jurisdictions. Areas of inquiry include blood testing, breath testing, urine testing, blood ethanol, blood drug, urine ethanol, urine drug, post mortem blood alcohol, post mortem blood drug, impairment, drug impairment, alcohol impairment. Dram Shop...

Consolidated Consultants Co.

Consolidated Consultants Co.
California - Serving: All States, International

Phone (800) 683-9847
Website www.freereferral.com

Free Expert Witness & Medical Expert Witness Referrals Nationwide

Consolidated Consultants, or CCc as it is widely known, is a national referral service for both the expert witness and medical expert fields. We have thousands of expert witnesses, as well as medical experts, in our directory. We are focused on providing complimentary first-rate referrals of expert witnesses and...

Gossman Forensics

Gossman Forensics
Iowa - Serving: All States

Phone (563) 652-2822
Website www.gossmanforensics.com

Environmental and Chemical Forensics and Expert Witness

Gossman Forensics is an international environmental consulting company. Our experience spans over 20 years of industrial, regulatory and environmental activities. The focal point of Gossman Forensics service is a rapid response to client needs with accurate, competent professionalism.

Global Forensic Services, LLC

Global Forensic Services, LLC
California - Serving: All States, International

Phone (805) 595-1333
Website www.global4n6.com

Ink Age, Ink Dating, Handwriting, Art Dating, Ink Dating & Questioned Document Expert Witness

Global Forensic Services, LLC is a forensic laboratory, as well as a consulting and private investigative team offering more than 35 years of experience and training in a wide range of forensic disciplines and investigative strategies. Experts in ink dating, questioned documents, handwriting, corporate security, crime...

John A. Williams, Ph.D., M.B.A., PE - EPS, LLC

John A. Williams, Ph.D., M.B.A., PE - EPS, LLC
Indiana - Serving: All States

Phone (574) 247-6000
Website e-p-s.net

Oil & Gas, Chemicals, Coal, Fire & Explosions; Forensic Technology, Valuation

Dr. Williams consults and testifies on cases related to energy (oil & gas, coal), biotechnology, alternative energy (wind, biofuels, biomass), and chemical manufacturing, and for valuation of manufacturing facilities. His expertise includes analysis of technology development, process design, facilities, utilities,...

EFI Global

EFI Global
Texas - Serving: U.S. and International

Phone (281) 358-4441
Website www.efiglobal.com

Engineering, Forensics, Fire Cause & Origin, Environmental, Failure Analysis Expert Witnesses

EFI Global is a full-service engineering, fire investigation, environmental, health and safety, and specialty consulting firm. Over the last four decades, we have grown from a boutique firm to become a recognized leader in engineering failure analysis, origin and cause investigations, and environmental consulting....

Chuck Dutill, P.E.

Chuck Dutill, P.E.
Pennsylvania - Serving: Nationwide - Heritage Technical Services, Inc. offers consulting ...

Phone (610) 701-5650
Website www.heritageservices.com

Hydrology, Environmental Engineering, and Civil Engineering Expert Witness and Consultant

For over 35 years Mr. Dutill has been performing hydrology and environmental engineering nationwide. He has focused on wastewater, stormwater, flooding, sewers, septic systems, groundwater, drainage, runoff, hydrology, hydraulics, backups, drinking water, and air quality. He addresses these and other related issues as...

M.B. Pasternack & Associates, Inc.

M.B. Pasternack & Associates, Inc.
Florida - Serving: All States

Phone (941) 927-3513
Website mbpasternack.com

Chemical Industry Consultant and Expert Witness

M.B. Pasternack & Associates, Inc, provides expert witness services for paints, coatings, chemicals, accidents, personal injury, failure analysis, polymers, plastics, product defects, adhesives, EPA, hazardous materials, laboratory testing, MSDS, OSHA, patents, safety, and solvents.

Riley Welch LaPorte & Associates Forensic Laboratories

Riley Welch LaPorte & Associates Forensic Laboratories
Michigan - Serving: All States & worldwide

Phone (517) 394-1512
Website www.rileywelch.com

Forensic Documents/Ink Dating/Latent Prints/Firearms & Toolmarks/Biology & DNA Expert Witness

Riley Welch LaPorte Forensic Laboratories is an internationally recognized forensic laboratory employing a Forensic Chemist with a Masters Degree in Forensic Science, four forensic document examiners, one fingerprint specialist, one forensic firearms & tool marks examiner, one forensic biologist & DNA examiner, and in...

Samuel R. Phillips, PE

Samuel R. Phillips, PE
California - Serving: All states and internationally

Phone (530) 268-2413

Mechanical Engineer and Manufacturing Consultant; Expert Witness

Mr. Phillips is experienced in product engineering design, development, and manufacturing. From the 1980s, building upon a career as an engineering and manufacturing executive, he has helped more than 200 clients in Silicon Valley and beyond to improve their products, lower their costs, and support their...




  • American Scientific Consultants Corp.

    Toxicology Expert Consultants

    ToxiConsult Division
    132 Cove Road
    Huntington, New York
    Phone: (631) 423-1133
  • Andrew C. Kolbert, Ph.D., MTM - Avomeen Analytical Services

    Quality Testing and Chemical Analysis Expert Witness

    4840 Venture Drive
    Ann Arbor, Michigan
    Phone: (800) 930-5450
  • Barfield Forensic Toxicology Consulting Services

    Alcohol & Drug Toxicology Expert

    Laura D Barfield
    482 Teal Lane
    Tallahassee, Florida
    Phone: (850) 694-8678
  • Bell Flooring Sciences Group

    Expert Witness Services in Flooring, Coating, & Concrete Failure Forensics

    P.O. Box 14304
    Atlanta, Georgia
    Phone: (404) 504-8900
  • Biosynergetics, Inc.

    Biopharmaceutics, Pharmacokinetics and Pharmacodynamics Experts

    P.O. Box 5045
    Zionsville, Indiana
    Phone: (317) 506-7000
  • Bison Engineering, Inc.

    Forensic Engineering, Failure Analysis, and Fire Investigation Expert Witness

    3423 Rivers Edge Trail
    Kingwood
    Houston, Texas
    Phone: (888) 502-4766
  • California Institute of Electronics & Materials Science

    Organization for Research and Testing in the Field of Materials, Devices, Instruments and Parts

    2115 Flame Tree Way
    Hemet, California
    Phone: (909) 929-2659
  • CASE Forensics Corporation (Consultants, Architects, Scientists, Engineers)

    Forensic and Consulting Engineering Services

    23109 55th Avenue West
    Mountlake Terrace, Washington
    Phone: (425) 775-5550
  • Certified Decontamination

    Mold and Meth Lab Abatement, Testing, Consulting

    3431 Fenchurch Rd.
    West Jordan, Utah
    Phone: (801) 809-6932
  • Chemical Accident Reconstruction Services, Inc.

    Chemical, Fire and Explosion Expert Witness

    9121 E. Tanque Verde Road #105
    Tucson, Arizona
    Phone: (800) 645-3369
  • Chemir Analytical Services

    Chemical Analysis and Testing: Expert Witness and Litigation Support Services

    2672 Metro Blvd.
    Maryland Heights, Missouri
    Phone: (800) 659-7659
  • Clearwater Group

    Forensic Environmental and Oil Geologist, Expert Witness and Speaker

    227D Tewksbury Avenue
    Point Richmond, California
    Phone: (510) 307-9943
  • Combustion Resources, Inc

    Experts in Fuels, Fire, Combustion and Environment

    1453 West 820 North
    Provo, Utah
    Phone: (801) 370-0654
  • e4 Consulting, Inc.

    Materials and Metallurgy Engineering Expert Witness

    4600 Touchton Road
    Building 100, Suite 150
    Jacksonville, Florida
    Phone: (904) 279-9300
  • Edward W. Funk, PhD

    Chemical Engineering Expert Witness & Consultant

    676 DeTamble Avenue
    Highland Park, Illinois
    Phone: (847) 433-5659
  • Environmental Litigation Associates

    Industrial Health & Safety Litigation Services

    1810 Elmen Street
    Houston, Texas
    Phone: (713) 807-0021
  • Expert Strategy Group

    Expert Witness Referral

    15511 Eastern Avenue
    Henderson, Nevada
    Phone: (800) 521-2877
  • FoCoSS Forensics

    Forensic Comparative Science Specialists, LLC

    P.O. Box 604
    Concord, New Hampshire
    Phone: (603) 568-2668
  • Forensic Analysis & Engineering Corporation

    Forensic Engineering & Accident Reconstruction

    2503 58th Street, Suite D
    Hampton, Virginia
    Phone: (757) 265-9333
  • ForensisGroup Expert Witness Services

    Select Group of Forensic Business, Construction, Engineering, Medical, Scientific Expert Witnesses

    301 North Lake Avenue
    Suite 420
    Pasadena, California
    Phone: (626) 795-5000
  • GAAS Analytical Corporation

    Expert Witness for Analytical or Quality Issues

    9040 S. Rita Road, Suite 1100
    Tucson, Arizona
    Phone: (520) 975-0411
  • Hillmann Environmental Group

    Environmental Health and Safety

    1600 Route 22 East
    Union, New Jersey
    Phone: (908) 688-7800
  • Humatec

    Biomechanics, Ergonomics, Human Factors and Technical Services Expert Witness Services

    6405 Metcalf Ave
    Suite 220
    Overland Park, Kansas
    Phone: (913) 261-3500
  • IMR Test Labs, Inc.

    Product Testing, Reverse Engineering, Product Failure and Lab Management

    131 Woodsedge Drive
    Lansing Business & Tech. Park
    Lansing, New York
    Phone: (607) 533-7000
  • Integrated Forensic Laboratories

    Full-Service, Independent, and Accredited Forensic Laboratory

    901 Clinic Dr. Suite D110
    Euless, Texas
    Phone: (817) 553-6565
  • Interactive Consulting, Inc.

    Chemical Technology Expert Witness & Management Consulting Services

    7 Deusenberg Drive
    P.O. Box 66
    East Norwich, New York
    Phone: (516) 922-2167
  • Jenifer S. Heath, PhD

    Environmental Toxicology Expert Witness

    P.O. Box 371136
    Denver, Colorado
    Phone: (303) 726-9601
  • JMME, Inc.

    Plastics & Fire Retardant Consultants

    701 Broadmoor Drive
    Blue Bell, Pennsylvania
    Phone: (610) 292-9814
  • KHB Consulting Services

    Chemical Consultant and Expert Witness

    1889 Maple Avenue, Suite N-3
    Evanston, Illinois
    Phone: (847) 475-2755
  • Lapina & Associates, LLC

    Forensic Engineering and Science Expert Witness Services

    195 Village Drive
    Cranberry Township, Pennsylvania
    Phone: (724) 772-2695
  • M. D. Campbell and Associates, L.P.

    Environmental and Mining Forensic Expert

    1810 Elmen Street
    Houston, Texas
    Phone: (713) 807-0021
  • Mark K. Goldstein, Ph.D.

    Chemistry, Forensic Science Expert

    2248 Del Mar Heights Rd
    Del Mar, California
    Phone: (858) 531-4852
  • Matco Associates, Inc.

    Failure Analysis and Corrosion Specialists

    4640 Campbells Run Road
    Pittsburgh, Pennsylvania
    Phone: (412) 788-1263
  • Materials Science Associates, LLC

    Medical Science, Biomedical Engineering, Materials and Medical Devices Expert Witnesses

    315 Commerce Park Road
    North Kingstown, Rhode Island
    Phone: (401) 290-8823
  • Medical Device Consulting LLC

    Medical Device Consultant & Expert Witness

    275 Glen Riddle Road, Suite D22
    Media, Pennsylvania
    Phone: (216) 571-1532
  • MVA Scientific Consultants

    Focused on the Science of Small Things

    3300 Breckinridge Boulevard
    Suite 400
    Duluth, Georgia
    Phone: (770) 662-8509
  • N&P Limited

    Environmental and Chemical Industry Expert

    1109 Apple Cross Road
    Harpers Ferry, West Virginia
    Phone: (304) 724-1315
  • O'Donnell Consulting Engineers, Inc.

    Engineering Design & Analysis Expert Consultants

    2940 South Park Road
    Pittsburgh, Pennsylvania
    Phone: (412) 835-5007
  • OCM Test Laboratory, Inc.

    Orange County Material Test Laboratories

    3883 East Eagle Drive
    Anaheim, California
    Phone: (714) 630-3003
  • Pasadena Scientific

    Biomechanics, Traffic Accident Analysis, and Product Failure Analysis Expert Witness Services

    651 South Los Robles Avenue
    Pasadena, California
    Phone: (626) 755-1150




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