HPC Testing Services is a full-service testing and compliance center proudly based in Signal Hill, California.
We specialize in DOT-regulated and non-regulated drug and alcohol testing, DNA paternity testing, and workplace safety & compliance solutions that keep employers, drivers, and individuals on schedule and in full compliance.
Our certified collectors and safety specialists provide walk-in testing, same-day appointments, and fast, reliable results. Whether you need a pre-employment drug test, Return-to-Duty (RTD) Clearinghouse services, FMCSA consortium management, CPUC compliance support, or private court-ordered testing, HPCTS is your trusted local resource.
Comprehensive Testing & Compliance Services
Local Commitment: Proud Member of the Signal Hill Chamber of Commerce
As an active member of the Signal Hill Chamber of Commerce, HPC Testing Services is dedicated to supporting the local business community and neighboring cities.
Our chamber membership reflects our mission to provide accessible, high-quality testing solutions for employers, transportation companies, and residents while contributing to the growth, health, and safety of the region. Check us out : HPC Testing Services Member Page
Why Choose HPC Testing Services
- Convenient location in Signal Hill near major Long Beach freeways 405 Freeway & Cherry St
- Walk-in friendly: same-day service with minimal wait times
- Fast turnaround: most results delivered within 24-48 hours (for urine testing)
- Certified & compliant: trained collectors following 49 CFR Part 40 protocols
- Bilingual support: Hablamos Español for accessible customer care
- Trusted by employers & individuals: CDL drivers, maritime workers, and local companies rely on HPCTS for accurate, confidential testing
Serving Greater Los Angeles & South Bay
HPC Testing Services proudly serves clients in:
Signal Hill, Long Beach, Lakewood, Carson, San Pedro, Wilmington, Torrance, Gardena, Lomita, Harbor City, Rancho Dominguez, Compton, Paramount, Bellflower, Downey, Norwalk, Lynwood, South Gate, Huntington Park, Bell, Maywood, Cerritos, Artesia, Hawaiian Gardens, Los Alamitos, Cypress, Stanton, and nearby communities across the South Bay, Gateway Cities, and Los Angeles Harbor areas.
