Redwood Toxicology Laboratory, Inc.

At Redwood Toxicology Laboratory, Inc. (RTL), one of the nation's premier forensic drug testing facilities, we offer you comprehensive, cost effective drug and alcohol testing options. We deliver the certainty of science, the dependability of proven drug screening processes and the assurance of legally defensible results. Our laboratory services include urine drug testing, oral fluid drug testing, prescription drug testing, EtG/EtS alcohol testing, steroid testing and more.

RTL also sells millions of instant urine and oral fluid drugs of abuse screening devices each year. With our Reditest® on-site drug test products, you get more than the highest quality, most cost-effective devices in the industry; you get reliable results.

Products and Services

Administration and Finance > Human Resources > Drug Testing

Administration and Finance > Human Resources > Alcohol Testing


Headquarters
3650 Westwind Boulevard Santa Rosa, California 95403

Toll Free:	(800) 255-2159
Fax:	(707) 636-2809
Website:	www.redwoodtoxicology.com
Twitter:	x.com/alere
Email:	mmcleod@redwoodtoxicology.com


Additional Information
Date Established:	January, 1998

Featured Vendors


TBE Architects Creating extraordinary casino, hotel, and resort destinations from master plan through final design	K2J Marketing Partners We’re not just a gifting provider—we’re an extension of your marketing team driving proven results.

Patriot Gaming & Electronics, Inc. Patriot Gaming…Parts is what we do. Visit us: www.patriotgaming.com	Sunkist Graphics, Inc. Specializing in the creation of best-of-breed gaming graphics - slot glass, sign faces, and more

TribalHub 27th Annual TribalNet Conference Sept 20-24, 2026 at Hilton Anatole Dallas in Dallas, TX	Oklahoma Indian Gaming Association (OIGA) Conference The biggest little show in Indian gaming! Save the date: July 20-22, 2026 Oklahoma City

Slot Machines Unlimited Exporter of IGT, Williams, AVP, Trimline, Aristocrat, Konami, Bally, & parts over 20 yrs experience	Rymax Marketing Services, Inc. Leader in creating award winning player & employee loyalty programs & events proven to increase ROI

Casino City Press A leading publisher and distributor of casino and gaming business data and market research reports.	Casino Network 20+ years experience selling refurbished slot machines, parts & glass for all major brands

Regulatory Management Counselors, PC Over 45 years of experience serving the legal and regulatory needs of casino industry clients