Locations Information

Exceptional customer service and accurate analysis offered at thirteen locations

Rock River Laboratory can be found in several convenient locations across the US and abroad. Exact locations and contact information is provided below. All domestic phone calls are routed to our customer service team at our headquarters laboratory to streamline and ensure consistency of all information. Services can still be conveniently accessed by those outside of our laboratory regions. Simply order materials through our Shipping and Sampling Supplies page and receive free shipping for quick sample submission. 

Regular Hours of Operation

8:00 AM - 4:30 PM

Monday - Friday

Closed Saturday and Sunday

Rock River Laboratory closes to observe the following U.S. holidays: New Year's Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day and the following Friday, Christmas Eve Day, and Christmas Day

Domestic Locations

International Locations

Watertown, Wisconsin - HeadquartersWatertown, WI

710 Commerce Dr. (Physical)

PO Box 169 (Mailing)

Watertown, WI 53094

Phone: 920-261-0446

Email: office@rockriverlab.com

Colby, WIColby, Wisconsin

108 S. Division St. (Physical)

Colby, WI 54421

PO Box 338 (Mailing)

Abbotsford, WI 54405

Phone: 844-206-7255

Visalia, CAVisalia, California

708 Gateway Ave. (Physical)

Visalia, CA 93291

PO Box 580 (Mailing)

Goshen, CA 93227

Phone: 559-623-1911

Apple Creek, OH

We've Moved! Wooster, Ohio 

121 W. North St. (Physical)

Wooster, OH 44691

PO Box 1039 (Mailing)

Wooster, OH 44691

Phone: 330-462-6041

Binghampton, NYBinghamton, New York

21 Kattelville Rd. (Physical)

Binghamton, NY 13901

PO Box 34 (Mailing)

Chenango Bridge, NY 13745

Phone: 607-591-5567


Lavras, BrazilLavras, Brazil

3R Lab

Fabio Modesto, 158

Joaquim Sales, Lavras MG, 32700-000


Website: http://www.3rlab.com.br/

Santa Fe, ArgentinaSanta Fe, Argentina

Parque Tecnológico del Litoral Centro - Conicet

Ruta Nacional N° 168 

Paraje El Pozo 

Edificio Incubadora - Cómputos 

(3000) Santa Fe

Email: leandro.mohamad@rockriverlab.com

Temuco, ChileTemuco, Chile

Hochstetter 560, Office 610

Temuco 4810148


Website: http://rockriverlab.cl/es/

Email: francisco.inostroza@rockriverlab.cl

GermanyHeiddorf, Germany

Hof Rump

19294 Heiddorf 


Website: http://rockriverlab.eu/

AgLab Express - POWERED BY Rock River Laboratory AgLab Express

3600 S. Minnesota Ave. #200 (Physical)

Sioux Falls, SD 57105

PO Box 2898 (Mailing)

Sioux Falls, SD 57101

Phone: 605-271-9237



Greenleaf Agricultural AnalysisGreenLeaf Agricultural Analysis- POWERED BY Rock River


16850 120th Ave. (Physical)

Nunica, MI 49448

Phone: 616-384-2472

High Desert Dairy Lab - POWERED BY Rock River LaboratoryHigh Desert Dairy Lab

5311 S. Ridgewood Rd. (Physical)

Nampa, ID 83687

Phone: 208-888-0040




Lancaster DHIALancaster DHIA - POWERED BY Rock River Laboratory

1592 Old Line Rd. (Physical)

Manheim, PA 17545

Phone: 888-202-3442