DOT-COMPLIANT · ON-SITE EMPLOYER DRUG TESTING
Employer Drug Testing in Groton, CT
General Dynamics Electric Boat - Naval Submarine Base New London - Groton Shipyard Contractors - Thames River Maritime - Defense Construction - Eastern Connecticut Healthcare
Groton is Connecticut's most important defense and naval shipbuilding market. General Dynamics Electric Boat and the Naval Submarine Base New London contractor ecosystem support thousands of shipbuilding, engineering, facilities, logistics, security, and specialty-trade employees. Contractors may have testing obligations tied to Executive Order 12564, DoD requirements, Drug-Free Workplace Act obligations, security access, and contract-specific site rules. We send collectors to your Groton shipyard, contractor yard, office, or jobsite, or provide 8,500+ nationwide locations for a distributed workforce.
OnSite Employer Testing coordinates mobile drug testing at your Groton-area facility — or your employees use any of our 8,500+ nationwide collection locations. We do not operate a clinic. Review how it works, browse Connecticut locations, or see all locations we serve.
Two Ways to Test
Connecticut employers can use one program for on-site collection and nationwide employee access:
- We Come to You — A qualified collector travels directly to your Groton worksite, shipyard, facility, plant, airport operation, fleet yard, warehouse, or jobsite.
- 8,500+ Nationwide Locations — Your employee can complete a collection at a nearby partner location anywhere in the United States. One program supports Connecticut employees and a nationwide workforce.
Groton Employers Get Drug Testing That Fits Their Operation
DOT & Non-DOT Testing Services — Groton
We coordinate the following collections for Groton-area employers:
- On-site collector dispatch to your Groton worksite, shipyard, facility, airport operation, warehouse, yard, or jobsite
- 8,500+ nationwide collection locations for individual hires, traveling workers, remote employees, and multi-state crews
- DOT FMCSA pre-employment, random, post-accident, reasonable suspicion, return-to-duty, and follow-up collections where applicable
- Non-DOT pre-employment, random, reasonable suspicion, and post-incident testing under your written company policy
- 5-panel, 10-panel, and employer-selected testing panels
- Breath alcohol testing, MRO coordination, and chain-of-custody documentation
Industries Served in Groton
- Naval shipbuilding contractors (General Dynamics Electric Boat ecosystem) - DoD and contract-specific programs
- Naval Submarine Base New London support contractors - security and access-related testing
- Marine and shipyard construction - safety-sensitive workforce testing
- Thames River maritime employers - USCG testing where applicable
- Defense logistics and fleet operations - DOT/FMCSA where covered
Connecticut Employer Drug Testing and Cannabis Policy Considerations
Connecticut employers should apply testing programs in line with their written policy, job functions, client and contract requirements, and Connecticut employment law. Adult-use cannabis is legal, and the state has specific rules that may limit pre-employment cannabis testing or adverse action for some non-regulated roles unless an exception or compliant policy applies. Federal DOT, DoD, FAA, USCG, security-sensitive, and federally regulated positions can be governed by federal requirements instead. Employers should consult Connecticut employment counsel for role-specific cannabis policy decisions; we coordinate the collection program you establish.
Set Up Testing for Your Groton Operation
We come to your worksite, yard, plant, facility, shipyard, or airport operation, or your employees use any of our 8,500+ nationwide collection locations. Call (219) 315-0345 or get an instant quote at onsiteemployertesting.com/quote-calculator.
Use our instant quote calculator to scope your collection or visit our service areas page for broader coverage context.
Questions from employers in this region
We are an Electric Boat subcontractor. What drug testing program do we need?
Requirements depend on your scope of work, contract language, facility-access requirements, security designation, and employee duties. DoD-related contracts can require a drug-free workplace program, and some positions may be testing-designated. Review your contract and site-access requirements with the prime contractor or contracting officer; we coordinate the collection logistics and records your program requires.
Can one program support our Groton shipyard workers and traveling technicians?
Yes. We can dispatch a collector to your Groton yard or worksite, while traveling employees use any of our 8,500+ nationwide locations. This gives multi-state defense contractors a consistent collection workflow.
How does Connecticut cannabis law affect a defense contractor?
Federal, DoD, security-access, and contract-specific requirements may control covered defense roles regardless of state cannabis law. For non-regulated Connecticut positions, rules can be more nuanced. Employers should apply their written policy and seek legal guidance on job-specific exceptions and notice requirements.
Core programs: Mobile & on-site drug testing, DOT drug testing, Non-DOT drug testing, Post-accident testing, Reasonable suspicion testing, Random testing programs, Breath alcohol testing. Planning: how it works, instant quote calculator, all locations. Industries: employer industries we support. Long-form answers: Employer drug testing FAQ. Quick questions: Contact us.
For how we think about regions and feasibility, see service areas.
Nationally coordinated collection support
OnSite Employer Testing is headquartered in Illinois and coordinates mobile and on-site employer testing across selected regions and employer locations—including through partner collectors when your program, timing, and geography allow. Availability depends on location, timing, test type, site access, collector availability, and scheduling needs.
Ready to Set Up Testing for Your Groton Operation?
We come to your worksite, yard, plant, facility, shipyard, or airport operation, or your employees use any of our 8,500+ nationwide collection locations. Call (219) 315-0345 or get an instant quote at onsiteemployertesting.com/quote-calculator.