Dropshot Mobile Diagnostics

Serving Manassas, Virginia

Mobile drug and alcohol testing across Manassas and Prince William County.

Manassas sits at the crossroads of I-66 and Route 28, with growing industrial parks, data-center construction, and distribution operations. We bring DOT-compliant testing to your fleet yard, job site, or office without disrupting your workday.

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Manassas Coverage

  • I-66 and Route 28 corridors
  • Old Town Manassas & Manassas Park
  • Innovation Park & industrial areas
  • Data center construction sites
  • Gainesville & Bristow edge

Local Overview

On-site testing for Manassas-area employers and contractors.

Western Prince William County has become one of Northern Virginia's fastest-growing commercial zones, with data-center construction, distribution centers, and trade contractors working across the I-66 corridor. Our mobile unit supports pre-employment, random, and post-incident testing programs locally.

Construction & Data Centers Mobile collections at active construction sites supporting the region's data-center buildout.
Distribution & Warehousing DOT-compliant testing for warehouse operators and delivery fleets along Route 28 and I-66.
Trade Services Pre-employment and random programs for HVAC, electrical, plumbing, and specialty contractors.
Fleet & Transportation CDL pre-employment, random, and post-accident collections for local and regional carriers.

Services Available in Manassas

01
DOT Drug Testing Federally compliant collections for CDL drivers and other DOT-regulated employees. Learn more →
02
Non-DOT Drug Testing Pre-employment, random, reasonable suspicion, and post-incident panels for any employer. Learn more →
03
Breath Alcohol Testing DOT and non-DOT breath alcohol screening using approved evidential devices. Learn more →
04
Mobile On-Site Service Our DOT-compliant mobile testing facility arrives at your Manassas location — complete with private restroom and documentation area. Learn more →
Need mobile drug or alcohol testing in Manassas?

Submit a scheduling request with your site address and employee count — we'll confirm timing and logistics before the visit.

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