WSOB/SB Joint Ventures

List of our current WSOB/SB Joint Ventures, including our downloadable Capability Statements and our parner’s websites.

QRI-Tetra Tech

DUNS: 117255725

QRI-Tetra Tech Joint Venture, Inc. is a WOSB Joint Venture comprised of Quaternary Resource Investigations, LLC (QRI) and Tetra Tech, Inc. (Tetra Tech). QRI-Tetra Tech offers a full range of engineering  and consulting services which includes environmental consulting, geophysical assessments, environmental remediation, emergency response, and construction services. We provide our clients the benefit of QRI’s 35+ years harmonizing government and industry with Tetra Tech’s 50+ years in innovation and finding sustainable solutions to help clients address their water, environment, infrastructure, resource management, energy, and international development challenges.

QRI-Tetra Tech Capability Statement PDF

Tetra Tech Website


DUNS: 078278105

QRI-GMI Capability Statement PDF

GMI Website


DUNS: 078278105

ECO-TEC-QRI Capability Statement

ECO-TEC Associates, LLC Website