Environmental testing labs
Water, soil, and air contaminant analysis.
Provenance Analytical
Irvine, CA
Provenance Analytical provides accredited analytical testing across litigation / forensics, pharmaceuticals, environmental.
Spectra Materials Lab
Boston, MA
Spectra Materials Lab provides accredited analytical testing across environmental, pharmaceuticals, medical devices.
Keystone Analytical
Minneapolis, MN
Keystone Analytical provides accredited analytical testing across packaging, environmental.
Sentinel Sciences
Salt Lake City, UT
Sentinel Sciences provides accredited analytical testing across medical devices, environmental.
BioAssure Microbiology
Atlanta, GA
BioAssure Microbiology provides accredited analytical testing across agriculture, environmental.
Summit Scientific
Raleigh, NC
Summit Scientific provides accredited analytical testing across environmental, pharmaceuticals.

NSF
Ann Arbor, MI
Global public-health organization that tests and certifies dietary supplements, food equipment, water and consumer products for contaminants and label claims.
Testing lab providing supplement safety testing (physical, chemical, microbiological), shelf-life assessment and allergen testing, plus food, beverage and water testing.
Columbia Laboratories
Portland, OR
Full-service lab (since 1996, part of Tentamus) offering nutrition, pesticide and residue, microbiology, water quality and metals/minerals testing for food, supplements and consumer products.

EMSL Analytical
Cinnaminson, NJ
Nationwide lab network (since 1981) offering environmental, food, materials and consumer-product testing including microbiology, nutritional analysis, polymers/coatings and Prop 65.

Pace Life Sciences
Minneapolis, MN
FDA-registered GMP analytical and central lab network offering pharmaceutical package and delivery testing, container closure integrity, distribution testing and stability programs.

IEH Laboratories
Lake Forest Park, WA
International network of food-safety labs offering food microbiology, analytical chemistry, allergen testing, GMO and authenticity testing, molecular epidemiology and FDA detention support.
Warren Analytical Laboratory
Greeley, CO
Food safety and nutritional labeling lab serving Northern Colorado for 30+ years, specializing in food microbiology, nutritional labeling, shelf-life studies, allergen testing and chemistry.
Dairy One
Ithaca, NY
Farmer-cooperative laboratory offering feed, forage, soil, manure, water, plant tissue and milk analysis, using NIR spectroscopy for rapid forage and grain testing.

A and B Labs
Houston, TX
ISO 17025-accredited lab providing analytical testing across food, microbiology, environmental, industrial hygiene and petroleum sectors.

Materials Analytical Services
Suwanee, GA
CPSC-accepted children's product testing lab (FDA-registered) marketing CPC/CPSIA testing to Amazon and Etsy sellers, plus chemical analysis, emissions and materials failure analysis.
Applied Technical Services
Marietta, GA
CPSC-accepted consumer product testing lab (an SGS company) offering heavy metals, Prop 65 compliance, phthalates, formaldehyde and toy testing, alongside metallurgy and materials testing.

Brooks Applied Labs
Seattle, WA
ISO 17025 and TNI NELAP-accredited lab specializing in ultra-trace metals and elemental speciation by ICP-MS for food, beverage, supplement, environmental and pharmaceutical samples.

NSL Analytical Services
Cleveland, OH
Independent ISO 17025 and Nadcap-accredited materials testing lab (since 1945) doing chemistry, metallurgical, polymer and regulatory testing including toxic heavy metals, RoHS and WEEE.

Rose City Laboratories
Portland, OR
Independent OLCC-compliance cannabis, hemp and psilocybin testing lab that also performs environmental and water testing. Tests potency, pesticides, moisture, water activity, mycotoxins, heavy metals and microbiology.

American Agricultural Laboratory
McCook, NE
Independent agricultural analytical lab serving the farming community since 1976. Analyzes soil, plant tissue, nematodes, feed, fertilizer, water, manure, wastewater, heavy metals and seed germination.

A&L Great Lakes Laboratories
Fort Wayne, IN
Independently owned and operated agricultural testing laboratory. Provides soil fertility, plant tissue, animal feed, manure, compost, fertilizer, water and lawn/garden analyses.

Denele Analytical
Turlock, CA
Independent agricultural lab with locations in Turlock and Woodland, California. Provides feed, soil and fertilizer, plant tissue and fruit, water, manure and compost, microbiology, pathology and olive oil testing.

Minnesota Valley Testing Laboratories
New Ulm, MN
Independent lab established in 1951 with locations in Minnesota and North Dakota. Performs pet food and animal nutrition analysis, food pathogen/non-pathogen and nutritional testing, water quality, environmental and agricultural soil/plant testing. A2LA-accredited to ISO/IEC 17025.

Northeast Laboratory Services
Winslow, ME
Full-service Maine laboratory founded in 1972 providing chemistry and microbiology testing plus media manufacturing for food, beverage, pharmaceutical and environmental clients. Holds A2LA accreditation for food microbiology.

Morrell Associates
Marshfield, MA
Food-safety consulting firm founded in 1982 with an in-house FDA- and EPA-approved microbiology laboratory. Serves foodservice operations, water suppliers and municipalities in Massachusetts and beyond.

Safe Food Alliance
Kingsburg, CA
A division of DFA of California offering food-safety lab testing, training, consulting and audits, and the only full-service lab locally owned and operated in the Central Valley. Long history serving the dried-fruit and tree-nut industry.

HPC Foods Laboratory
Honolulu, HI
Hawaii's first ISO/IEC 17025:2017 accredited food microbiology laboratory, providing microbiological testing for food safety, water quality and environmental monitoring with results typically within 24 hours.

Exact Scientific Services
Ferndale, WA
An ISO/IEC 17025 accredited laboratory with over 50 years of experience testing dietary supplements, food, pet food, cosmetics, and environmental samples. Provides analytical chemistry and microbiology services for raw materials and finished products.

Environmental Micro Analysis
Woodland, CA
Laboratory specializing in pesticide residue analysis of raw agricultural products, processed foods, plant tissues, spices, herbs, soils, and water.

Anatek Labs
Moscow, ID
Full-service laboratory offering food microbiology and pathogen testing (Listeria, Salmonella, E. coli O157:H7), drinking and wastewater analysis, and environmental testing including pesticides and herbicides.

Pantechs Laboratories
Lubbock, TX
Contract analytical laboratory performing high-precision testing of petroleum and natural gas fluids, including crude oil, condensate, natural gas liquids, and water samples, using GPA, ASTM, and API methods.

City of Round Rock Environmental Services Laboratory
Round Rock, TX
Environmental laboratory providing bacteriological drinking water testing (presence/absence) and E. coli enumeration for wastewater and ambient water; fee-based testing is offered to outside customers.
Soil Nutrient Analysis Laboratory
Storrs, CT
Fee-based soil and plant testing laboratory serving farmers, growers, and residents, analyzing major and minor plant nutrients, pH, lead, nitrate-nitrogen, and plant tissue.

Geochemical Testing
Somerset, PA
Analytical laboratory founded in 1975 providing coal analysis and field sampling for power generation, mining, and metallurgical coal export, plus testing of groundwater, wastewater, soil, and residual waste for a wide range of contaminants and chemical properties.

Eastern Laboratory Services
Grand Ledge, MI
Full-service contract dairy and water testing laboratory performing bacterial analysis, milk component analysis, mastitis culture identification, and water quality testing (E. coli, total coliform) for dairy producers, processors, and labs.
Global third-party testing, inspection, and certification provider offering materials and product testing, environmental and regulatory compliance, non-destructive testing, and certification across automotive, aerospace, electronics, construction, and energy sectors.
Microbac Laboratories
Pittsburgh, PA
Family-owned third-party lab network with 30+ locations offering food, environmental and life-sciences testing, nutritional labeling, shelf-life and cosmetics testing.

Industrial Laboratories
Denver, CO
Analytical testing lab (founded 1945) providing food microbiology, analytical chemistry, banned-substance analysis and water testing with custom method development.

Midwest Laboratories
Omaha, NE
Independent ISO 17025 and NELAP-accredited lab across agriculture, animal feed, environmental, food and water, offering food safety plans, nutrition labels and shelf-life studies.

AGT Labs
Houston, TX
FDA LAAF-recognized food testing facility providing chemical testing, nutritional labeling, heavy metals, pesticides and microbiological pathogen detection.
Analytical Food Laboratories
Grand Prairie, TX
Full-service ISO 17025 food lab (part of Tentamus) offering chemistry, microbiology, sensory and nutritional analysis plus cosmetics testing and vendor compliance.