Pharmaceutical & Cleanroom Construction
DHH Construction is a women-owned, union contractor specializing in GMP and cleanroom facility construction for the pharmaceutical and healthcare industries. Safety-driven, compliance-focused, and trusted on active manufacturing sites.

Built for demanding project environments
Women-Owned
A certified Women’s Business Enterprise and a qualified diversity partner for pharmaceutical and healthcare clients with supplier diversity goals.
Union Workforce
Skilled, union-trained trades deliver schedule certainty and reliable quality that regulated, high-stakes projects demand.
Safety-Centric
A safety-first culture built for environments where compliance is non-negotiable.
Pharmaceutical Specialists
Hands-on experience in GMP and cleanroom environments, with an on-site presence at a major pharmaceutical manufacturing facility.
Construction capabilities for controlled and active facilities
DHH supports specialized construction environments with disciplined coordination across facility, trade, and operational requirements.
- Pharmaceutical & GMP Facility Construction
- Laboratory & Healthcare Construction
- Commercial & Institutional Construction
- Construction Management
- Plan Estimations
- Repair & Maintenance
Work in complex facility environments



Tell us about your project
Share the project location, service need, desired timeline, and key details. DHH will use this information to review your inquiry and follow up.
Please do not include confidential, regulated, or patient information.